Ó÷àñòü ñï³âðîá³òíèê³â â³ää³ëó â îðãàí³çàö³¿ òà ïðîâåäåíí³ íàóêîâèõ êîíôåðåíö³é:

1.     XV Ukraine Algebra Conference, 8-12 July, Lviv, 2025.

1.     Cï³ëüíå çàñ³äàíí³ Â³ää³ëåííÿ ìàòåìàòèêè ÍÀÍ Óêðà¿íè ³ ñåêö³¿ ìàòåìàòèêè òà ìàòåìàòè÷íîãî ìîäåëþâàííÿ Çàõ³äíîãî íàóêîâîãî öåíòðó ÍÀÍ Óêðà¿íè òà ÌÎÍ Óêðà¿íè, ïðèñâÿ÷åíå ðîçâèòêó àëãåáðè â çàõ³äíîìó ðåã³îí³ Óêðà¿íè òà 90-ð³÷÷þ â³ä íàðîäæåííÿ ïðîôåñîðà Ï.Ñ. Êàç³ì³ðñüêîãî. Ëüâ³â, 23 æîâòíÿ 2015 ð. Ïðîãðàìà.pdf

2.     9-th International algebraic conference in Ukraine , Lviv, July 8-13, 2013.

3.     IV-à ë³òíÿ øêîëà «Àëãåáðà, òîïîëîã³ÿ, ôóíêö³îíàëüíèé òà ñòîõàñòè÷íèé àíàë³ç», ñ. Êîçüîâà, Ëüâ³âñüêà îáë., 17-29 ëèïíÿ 2006 ð.

4.     ²²² Summer School in Algebra, Analysis and Topology, ñ. Êîçüîâà, Ëüâ³âñüêà îáë., 9-20 ñåðïíÿ 2005 ð.

5.     Summer School in Algebra and Topology, Äîëèíà, 2-14 ñåðïíÿ, 2004 ð.

6.     IV International Algebraic Conference in Ukraine, Ëüâ³â, 4-9 ñåðïíÿ, 2003 ð.

7.     VI Âñåñîþçíèé ñèìïîç³óì ç òåî𳿠ê³ëåöü, àëãåáð ³ ìîäóë³â, Ëüâ³â, 11 – 13 âåðåñíÿ 1990 ð.

8.     Âñåóêðà¿íñüêà íàóêîâà êîíôåðåíö³ÿ “Ðîçðîáêà òà çàñòîñóâàííÿ ìàòåìàòè÷íèõ ìåòîä³â â íàóêîâî-òåõí³÷íèõ äîñë³äæåííÿõ”, ïðèñâÿ÷åíó 70-ð³÷÷þ â³ä äíÿ íàðîäæåííÿ ïðîôåñîðà Ï.Ñ. Êàç³ì³ðñüêîãî, Ëüâ³â, 5 – 7 æîâòíÿ 1995 ð.

9.     XIX Âñåñîþçíà àëãåáðà¿÷íà êîíôåðåíö³ÿ, Ëüâ³â, 9 – 11 âåðåñíÿ 1987 ð.


 


Ó÷àñòü ñï³âðîá³òíèê³â â³ää³ëó ó íàóêîâèõ êîíôåðåíö³ÿõ:

1.          Nataliia Ladzoryshyn, Vasyl' Petrychkovych. (z,k)-equivalence of matrices over quadratic rings // The 15th Ukraine Algebraic Conference, July 8-12, 2025, Ivan Franko National University of Lviv. Book of Abstract - P. 65. - [Electronic resource]. - Access mode: (https://xvuac.mmf.com.ua/images/pdf/abstracts.pdf )

2.          Nataliia Ladzoryshyn, Vasyl' Petrychkovych, Halyna Zelisko. A Sylvester-type matrix equation over some quadratic rings // XII International Skorobohatko mathematical conference, September 23-25, 2025, Lviv, Ukraine. Abstracts: Lviv: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 2025. - P. 52. - [Electronic resource]. - Access mode: (http://www.iapmm.lviv.ua/conf_skorob2025/documents/2025tezy.pdf )

3.          Prokip Volodymyr. On symmetric solutions of the matrix equation AX = B over a Bezout domain // ²ííîâàö³éí³ öèôðîâ³ ìåòîäè â ãàëóç³ îñâ³òè òà äîñë³äæåíü. Çá³ðíèê òåç äîïîâ³äåé. Áåðåãîâå,  27-28 áåðåçíÿ 2025 ðîêó.  P.146-148.

4.          Prokip V. On the uniqueness of solutions of a matrix equation AX - Y B = C over the ring of integers // 15th Ukraine Algebra Conference, July 8-12, 2025, Lviv, Ukraine. Book of Abstracts: Ivan Franko National University of Lviv, Ukraine. - 123 p. - P. 84. - https://xvuac.mmf.com.ua/index.php/abstracts

5.          Rostyslava V. Kolyada, Orest M. Mel'nyk, Volodymyr M. Prokip On solutions of matrix equation A(λ)X(λ)+Y(λ)B(λ)=C(λ) // 15th Ukraine Algebra Conference, July 8-12, 2025, Lviv, Ukraine. Book of Abstracts: Ivan Franko National University of Lviv, Ukraine. - 123 p. - P. 61. - https://xvuac.mmf.com.ua/index.php/abstracts

6.          Volodymyr Prokip On solutions of the matrix equation AX + YB = C over Bezout domain // Ukraine Mathematics Conference "At the End of the Year 2025," December 18–19, 2025, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, Book of Abstracts. – 133 ñ. – P. 47. – https://drive.google.com/file/d/1LGUD-of4DUq2LiKYbN233claruwbGIj4/view

7.          Fedir Sokhatsky Quasigroups and loops up to order 5 // Conference Quasigroups and Related Systems, Moldova State University. Book of abstracts. Chisninau, July 2-4, 2025. P. 41-45.

8.          Fedir Sokhatsky, Bohdan Buniak Formulas for determining some quasigroups of order 8 // Conference Quasigroups and Related Systems, Moldova State University. Book of abstracts. Chisninau, July 2-4, 2025. P. 45-47.

9.          Fedir Sokhatsky, Bohdan Buniak  About SA loops of order 10 // International Conference Mathematics & Information Technologies: Research And Education (MITRE-2025), Mathematical Week in Chisinau dedicated to the centenary of Valentin Belousov (1925-1988), Chisninau, 2025 Moldova. Abstracts. P.12

10.       Fedir Sokhatsky, Bohdan Buniak Semisymmetric Anticommutative Loops up to order 15 // 15th Ukraine Algebra Conference, July 8-12, 2025, Lviv, Ukraine. Book of Abstracts: Ivan Franko National University of Lviv, Ukraine. - 123 p. - P. 104. - https://xvuac.mmf.com.ua/index.php/abstracts

11.       Fedir Sokhatsky, Halyna Krainichuk, Volodymyr Luzhetsky Canonical and matrix figuration of quasigroups of order 4 // 15th Ukraine Algebra Conference, July 8-12, 2025, Lviv, Ukraine. Book of Abstracts: Ivan Franko National University of Lviv, Ukraine. - 123 p. - P. 105. - https://xvuac.mmf.com.ua/index.php/abstracts

12.       Fedir Sokhatsky The simplest algorithm for listing all permutations // Ukraine Mathematics Conference "At the End of the Year 2025," December 18-19, 2025, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, Book of Abstracts. - 133 ñ. - P. 53. - https://drive.google.com/file/d/1LGUD-of4DUq2LiKYbN233claruwbGIj4/view

13.       Volodymyr Shchedryk Non-classical canonical form of matrices with respect to one-sided transformations // Ukraine Mathematics Conference "At the End of the Year 2025," December 18-19, 2025, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, Book of Abstracts. - 133 ñ. - P. 52. - https://drive.google.com/file/d/1LGUD-of4DUq2LiKYbN233claruwbGIj4/view

14.       Shchedryk V.  General linear group and idempotent matrices over a field // International scientific and practical conference "Innovative Digital Methods in Education and Research", Berehove, 27-28 March 2025, Book of Abstracts  P. 153.

15.       Shchedryk V.  Canonical form of low-dimensional matrices with respect to one-sided transformations // The 15th Ukraine Algebra Conference, L'viv, July 8-12, 2025, Book of Abstracts  P. 100.

16.       Bohdan Shavarovskii Oriented by characteristic roots polynomial matrices of simple structure // 15th Ukraine Algebra Conference, July 8-12, 2025, Lviv, Ukraine. Book of Abstracts: Ivan Franko National University of Lviv, Ukraine. - 123 p. - P. 99. - https://xvuac.mmf.com.ua/index.php/abstracts

17.       Bohdan Shavarovskii Reduction of a matrix oriented by characteristic roots to a form with given characteristics // XII International Skorobohatko mathematical conference, September 23 - 25, 2025, Lviv, Ukraine. Abstracts: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, Lviv, 2025. - 107 p. - P. 92. - http://www.iapmm.lviv.ua/conf_skorob2025/documents/2025tezy.pdf

18.       Romaniv A. On reduction of invertible matrices to simple forms. // The 15th Ukraine Algebra Conference, July 8–12, 2025, Lviv, Ukraine. Book of Abstracts. – Ivan Franko National University of Lviv, 2025. – 123 p. (p. 90).

19.       Romaniv A. On Bezout rings of stable range 1 // XII International Skorobohatko Mathematical Conference September 23–25, 2025, Lviv, Ukraine. Abstracts. – Pidstryhach Institute for Applied Problems of Mechanics and Mathematics of NAS of Ukraine, 2025. – 107 p. (p. 84).

20.       Volodymyr Fedorchuk On Symmetry Reduction of The (1 + 3)-Dimensional Monge-Ampere Equation to Algebraic Equations // XII International Skorobohatko mathematical conference, September 23 – 25, 2025, Lviv, Ukraine. Abstracts: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, Lviv, 2025. – 107 p. – P. 27. – http://www.iapmm.lviv.ua/conf_skorob2025/documents/2025tezy.pdf

21.       Volodymyr Fedorchuk, On partial preliminary group classification of some class of (1+3)-dimensional Monge-Ampere equations. Three-dimensional Abelian Lie algebras // International online workshop "Symmetry and Integrability of Equations of Mathematical Physics", Kyiv, December 26, 2025, https://www.imath.kiev.ua/~appmath/Abstracts2025/Fedorchuk.pdf

22.       Nataliia Dzhaliuk, Vasyl’ Petrychkovych Methods for solving Sylvester-type matrix equations and the investigation of the structure of their solutions // 15th Ukraine Algebra Conference, July 8–12, 2025, Lviv, Ukraine. Book of Abstracts: Ivan Franko National University of Lviv, Ukraine. – 123 p. – P. 40. – https://xvuac.mmf.com.ua/index.php/abstracts

23.       Nataliia Dzhaliuk, Vasyl’ Petrychkovych Polynomial matrices, their factorizations and differential equations in investigations of Lopatyns’kii, Kazimirs’kii and modern scientists // XII International Skorobohatko mathematical conference, September 23 – 25, 2025, Lviv, Ukraine. Abstracts: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, Lviv, 2025. – 107 p. – P. 24–25. – http://www.iapmm.lviv.ua/conf_skorob2025/documents/2025tezy.pdf

24.       Volodymyr Shchedryk Description of the low-dimensional general linear group and idempotent matrices over a field // Ukraine Mathematics Conference "At the End of the Year 2024," December 16–18, 2024, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, Book of Abstracts. – 92 ñ. – P. 46. – https://sites.google.com/knu.ua/aey2024/abstracts

25.       Shchedryk V. A parametric description general linear group of degree 3 over a field// ̳æíàðîäíà êîíôåðåíö³ÿ ïðèñâÿ¬÷åíà 145-ð³÷÷þ ç äíÿ íàðîäæåííÿ Ãàíñà Ãàíà, 23–27 âåðåñíÿ 2024 ð., ×åðí³âö³. – ×åðí³âö³: ×åðí³âåöüêèé íàö. óí-ò ³ìåí³ Þð³ÿ Ôåäüêîâè÷à, 2024. – 184 ñ. – C. 172. – https://hahn.chnu.edu.ua/media/odbldmui/book-of-abstracts.pdf

26.       Nataliia Dzhaliuk, Vasyl’ Petrychkovych Solutions of a given degree for the matrix linear bilateral polynomial equations // Ukraine Mathematics Conference "At the End of the Year 2024," December 16–18, 2024, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, Book of Abstracts. – 92 ñ. – P. 23. – https://sites.google.com/knu.ua/aey2024/abstracts

27.       Dzhaliuk Nataliia, Sylvester-type Matrix Polynomial Equations and Solutions of a Prescribed Degree // 3rd International Symposium on Current Developments in Fundamental and Applied Mathematics Sciences 02-05 September 2024, Istanbul, Turkey. Abstract and Full Text Symposium Book. ISBN 978-625-97879-0-9. – 290 p. – P. 109. –https://atabulut.atauni.edu.tr/atabulut/index.php/s/bUAy5E7j1iZOfgX

28.       Dzhaliuk Nataliia, Petrychkovych Vasyl' On uniqueness of Sylvester-type matrix polynomial equation's solution // ̳æíàðîäíà êîíôåðåíö³ÿ ïðèñâÿ¬÷åíà 145-ð³÷÷þ ç äíÿ íàðîäæåííÿ Ãàíñà Ãàíà, 23–27 âåðåñíÿ 2024 ð., ×åðí³âö³. – ×åðí³âö³: ×åðí³âåöüêèé íàö. óí-ò ³ìåí³ Þð³ÿ Ôåäüêîâè÷à, 2024. – 184 ñ. – C. 126–127. – https://hahn.chnu.edu.ua/media/odbldmui/book-of-abstracts.pdf

29.       Andrii Romaniv Conditions for divisibility of common multiples of matrices // Ukraine Mathematics Conference "At the End of the Year 2024," December 16–18, 2024, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, Book of Abstracts. – 92 ñ. – P. 43. – https://sites.google.com/knu.ua/aey2024/abstracts

30.       Andrii Romaniv. The Structure of the Greatest Common Divisor of Matrices Over Elementary Divisor Domains // 3rd International Symposium on Current Developments in Fundamental and Applied Mathematics Sciences 02-05 September 2024, Istanbul, Turkey. Abstract and Full Text Symposium Book. ISBN 978-625-97879-0-9. – 290 p. – P. 117. –https://atabulut.atauni.edu.tr/atabulut/index.php/s/bUAy5E7j1iZOfgX

31.       Ðîìàí³â Àíäð³é. Ñï³ëüí³ êðàòí³ ìàòðèöü òðåòüîãî ïîðÿäêó íàä êîìóòàòèâíèìè îáëàñòÿìè Áåçó ñòàá³ëüíîãî ðàíãó 1.5. // ̳æíàðîäíà êîíôåðåíö³ÿ ïðèñâÿ¬÷åíà 145-ð³÷÷þ ç äíÿ íàðîäæåííÿ Ãàíñà Ãàíà, 23–27 âåðåñíÿ 2024 ð., ×åðí³âö³. – ×åðí³âö³: ×åðí³âåöüêèé íàö. óí-ò ³ìåí³ Þð³ÿ Ôåäüêîâè÷à, 2024. – 184 ñ. – C. 93. – https://hahn.chnu.edu.ua/media/odbldmui/book-of-abstracts.pdf

32.       Vasyl Fedorchuk, Volodymyr Fedorchuk. On the construction and classification of the common invariant solutions for the (1 + 3)-dimensional Euler-Lagrange-Born-Infeld and homogeneous Monge-Ampere equations // International scientific online conference «Algebraic and geometric methods of analysis», May 27-30, 2024, Îäåñà, Óêðà¿íà. – C. 33–34. https://imath.kiev.ua/~topology/conf/agma2024/abstracts/texts/fedorchuk/fedorchuk.pdf

33.       Vasyl Fedorchuk, Volodymyr Fedorchuk, On the construction of the common invariant solutions for some P(1,4)-invariant partial differential equations // ̳æíàðîäíà êîíôåðåíö³ÿ ïðèñâÿ¬÷åíà 145-ð³÷÷þ ç äíÿ íàðîäæåííÿ Ãàíñà Ãàíà, 23–27 âåðåñíÿ 2024 ð., ×åðí³âö³. – ×åðí³âö³: ×åðí³âåöüêèé íàö. óí-ò ³ìåí³ Þð³ÿ Ôåäüêîâè÷à, 2024. – 184 ñ. – C. 129. https://hahn.chnu.edu.ua/media/3cln1ko5/book-of-abstracts.pdf

34.       Prokip V.M. About square roots of matrices over factorial domains // International Scientific Conference Algebraic and Geometric Methods of Analysis. Odesa, Ukraine May 27-30, 2024. Book of Abstracts. P. 102–103.

35.       Prokip V. On solvability of the matrix equation AX+YB=C over principal ideal domains // VI² ̳æíàðîäíà íàóêîâî-ïðàêòè÷íà êîíôåðåíö³ÿ «Ìîäåëþâàííÿ, êåðóâàííÿ òà ³íôîðìàö³éí³ òåõíîëî㳿», 7–9 ëèñòîïàäà 2024, гâíå, Óêðà¿íà.– C. 264–267. https://doi.org/10.31713/MCIT.2024.081

36.       Volodymyr M. Prokip Roth’s theorem and equivalence of matrices // Ukraine Mathematics Conference "At the End of the Year 2024," December 16–18, 2024, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, Book of Abstracts. – 92 ñ. – P. 41. – https://sites.google.com/knu.ua/aey2024/abstracts

37.       Fedorchuk Vasyl, Fedorchuk Volodymyr. On Classification of Symmetry Reductions for Some P(1,4)-Invariant Partial Differential Equations. Symmetry 2023 - The 4th International Conference on Symmetry (21 – 23 June, 2023, AXA Convention Centre Barcelona, Spain). Program and Abstract Book, p.49. https://symmetry2023.sciforum.net/events_files/766/customs/af8bdf95fc6ca8768ff2b5bbc213cf7f.pdf

38.       Shchedryk V., Bovdi V.  Adequacy of nonsingular matrices over commutative principal ideal domains // Conference UAE Math Day 2023: March 4th, 2023, Organized by Zayed University, Dubai, UAE. – P.19.

39.       Ùåäðèê Â. Ï Ìàòðèö³ òà ïîâ'ÿçàí³ ç íèìè ãðóïè Çåë³ñêà // Có÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè – 2023: çá³ðíèê íàóêîâèõ ïðàöü / çà çàã. ðåä. àêàä. ÍÀÍ Óêðà¿íè Ð.Ì. Êóøí³ðà òà ÷ë.-êîð. ÍÀÍ Óêðà¿íè Â.Î. Ïåëèõà [Åëåêòðîííèé ðåñóðñ] // ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2023. – 452 ñ. – Ðåæèì äîñòóïó: http://iapmm.lviv.ua/mpmm2023/materials/proceedings.mpmm2023.pdf – Ñ. 403–404. – http://iapmm.lviv.ua/mpmm2023/materials/ma10_12.pdf.

40.       Shchedryk V. P. A parametric 2-decomposition of small order general linear groups over fields // Ukraine Algebra Conference "At the End of the Year 2023" December 26   27, 2023, Kyiv, Ukraine. Book of abstracts: Kyiv, 2023.

41.       Fedorchuk Vasyl, Fedorchuk Volodymyr. Classification of symmetry reductions for some P(1,4)-invariant partial differential equations. // Int. Scientific Conference “Current Problems of Mechanics and Mathematics – 2023” (May 23–25, 2023, Lviv, Ukraine) http://iapmm.lviv.ua/mpmm2023/materials/proceedings.mpmm2023.pdf, P. 376. http://iapmm.lviv.ua/mpmm2023/materials/ma09_02.pdf

42.       Fedorchuk Vasyl, Fedorchuk Volodymyr. On partial preliminary group classification of some class of (1 + 3)-dimensional Monge-Ampere equations. Two-dimensional Abelian Lie algebras // International Online Conference Algebraic and geometric methods of analysis (May 29 June 31, 2023, Odesa-Kyiv, Ukraine)} https://imath.kiev.ua/~topology/conf/agma2023/contents/abstracts/texts/fedorchuk/fedorchuk.pdf.

43.       Äæàëþê Íàòàë³ÿ, Ïåòðè÷êîâè÷ Âàñèëü. Ðîçâ'ÿçí³ñòü ìàòðè÷íîãî ð³âíÿííÿ AX=YB ó ê³ëüö³ áëî÷íî-òðèêóòíèõ ìàòðèöü // Có÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè – 2023: çá³ðíèê íàóêîâèõ ïðàöü / çà çàã. ðåä. àêàä. ÍÀÍ Óêðà¿íè Ð.Ì. Êóøí³ðà òà ÷ë.-êîð. ÍÀÍ Óêðà¿íè Â.Î. Ïåëèõà [Åëåêòðîííèé ðåñóðñ] // ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2023. – 452 ñ. – Ðåæèì äîñòóïó: Ñ. 405–406. – http://iapmm.lviv.ua/mpmm2023/materials/ma10_13.pdf

44.       Dzhaliuk Nataliia, Petrychkovych Vasyl'. The Sylvester matrix polynomial equation and its solutions // 14th Ukraine Algebra Conference, July 3-7, 2023 Sumy, Ukraine. Book of Abstracts: Sumy State Pedagogical University named after A.S. Makarenko, Sumy, Ukraine. – 150 p. – P. 54

45.       Dzhaliuk Nataliia. Linear solutions to the bilateral matrix polynomial equations // Ìàòåìàòèêà òà ³íôîðìàö³éí³ òåõíîëî㳿. Ìàòåð³àëè ì³æíàðîäíî¿ íàóêîâî¿ êîíôåðåíö³¿, ïðèñâÿ÷åíî¿ 55-ð³÷÷þ ôàêóëüòåòó ìàòåìàòèêè òà ³íôîðìàòèêè, 28–30 âåðåñíÿ 2023 ð. – ×åðí³âö³: ×åðí³âåöüêèé íàö. óí-ò, 2023. – 369 ñ. – Ñ. 47–48.

46.       Äæàëþê Í. C.  Ðîçâ’ÿçêè ñòåïåíÿ s ìàòðè÷íîãî ïîëiíîìiàëüíîãî ðiâíÿííÿ Cèëüâåñòðà // Ìàòåð³àëè Äåâ’ÿòíàäöÿòî¿ ì³æíàðîäíî¿ íàóêîâî¿ êîíôåðåíö³¿ ³ìåí³ àêàäåì³êà Ìèõàéëà Êðàâ÷óêà, 11–12 æîâòíÿ 2023 ðîêó, Êè¿â, Êϲ ³ì. ²ãîðÿ ѳêîðñüêîãî. – C. 104–105. – https://matan.kpi.ua/uk/kravchuk-conf-2023/

47.       Ëàäçîðèøèí Íàòàë³ÿ, Ïåòðè÷êîâè÷ Âàñèëü. Åêâ³âàëåíòí³ñòü ïàð ìàòðèöü íàä êâàäðàòè÷íèì ê³ëüöåì   // Có÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè – 2023: çá³ðíèê íàóêîâèõ ïðàöü / çà çàã. ðåä. àêàä. ÍÀÍ Óêðà¿íè Ð.Ì. Êóøí³ðà òà ÷ë.-êîð. ÍÀÍ Óêðà¿íè Â.Î. Ïåëèõà [Åëåêòðîííèé ðåñóðñ] // ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2023. – 452 ñ. – Ðåæèì äîñòóïó: http://iapmm.lviv.ua/mpmm2023/materials/proceedings.mpmm2023.pdf – Ñ. 409−410. – http://iapmm.lviv.ua/mpmm2023/materials/ma10_15.pdf

48.       Ladzoryshyn Natalija. (z,k)-equivalence of pairs of matrices over imaginary Euclidean quadratic rings // 14th Ukraine Algebra Conference, July 3-7, 2023 Sumy, Ukraine. Book of Abstracts: Sumy State Pedagogical University named after A.S. Makarenko, Sumy, Ukraine. – 150 p. – P. 81.

49.       Ëàäçîðèøèí Í.Á., Ïåòðè÷êîâè÷ Â.Ì. (z,k)-åêâ³âàëåíòí³ñòü îñîáëèâèõ ìàò¬ðèöü íàä êâàäðàòè÷íèìè åâêë³äîâèìè ê³ëüöÿìè // Ìàòåð³àëè Äåâ’ÿòíàäöÿòî¿ ì³æíàðîäíî¿ íàóêîâî¿ êîíôåðåíö³¿ ³ìåí³ àêàäåì³êà Ìèõàéëà Êðàâ÷óêà, 11–12 æîâòíÿ 2023 ðîêó, Êè¿â, Êϲ ³ì. ²ãîðÿ ѳêîðñüêîãî. – C. 111 − 112. – https://matan.kpi.ua/uk/kravchuk-conf-2023/

50.       Ðîìàí³â Àíäð³é. Ðîçêëàä îáîðîòíî¿ ìàòðèö³ ó äîáóòîê äâîõ ìàòðèöü ³ç çàäàíèìè âëàñòèâîñòÿìè. // Có÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè – 2023: çá³ðíèê íàóêîâèõ ïðàöü / çà çàã. ðåä. àêàä. ÍÀÍ Óêðà¿íè Ð.Ì. Êóøí³ðà òà ÷ë.-êîð. ÍÀÍ Óêðà¿íè Â.Î. Ïåëèõà [Åëåêòðîííèé ðåñóðñ] // ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2023. – 452 ñ. – Ðåæèì äîñòóïó: http://iapmm.lviv.ua/mpmm2023/materials/proceedings.mpmm2023.pdf – Ñ. 413–414. – http://iapmm.lviv.ua/mpmm2023/materials/ma10_17.pdf .

51.       Romaniv A. Conditions of existence of a matrix which contains a submatrix with given invariant factors// 14th Ukraine Algebra Conference, July 3-7, 2023 Sumy, Ukraine. Book of Abstracts: Sumy State Pedagogical University named after A.S. Makarenko, Sumy, Ukraine. – 150 p. – P. 116.

52.       Ðîìàí³â À. Ì.  Âëàñòèâ³ñòü îáîðîòíî¿ ìàòðèö³ // Ìàòåð³àëè Äåâ’ÿòíàäöÿòî¿ ì³æíàðîäíî¿ íàóêîâî¿ êîíôåðåíö³¿ ³ìåí³ àêàäåì³êà Ìèõàéëà Êðàâ÷óêà, 11–12 æîâòíÿ 2023 ðîêó, Êè¿â, Êϲ ³ì. ²ãîðÿ ѳêîðñüêîãî. – C. 120. – https://matan.kpi.ua/uk/kravchuk-conf-2023/.

53.       Øàâàðîâñüêèé Áîãäàí. Ïîâíà ñèñòåìà ³íâàð³àíò³â â³äíîñíî íàï³âñêàëÿðíî¿ åêâ³âàëåíòíîñò³ äëÿ 3õ3-ìàòðèö³ ïðîñòî¿ ñòðóêòóðè // Có÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè – 2023: çá³ðíèê íàóêîâèõ ïðàöü / çà çàã. ðåä. àêàä. ÍÀÍ Óêðà¿íè Ð.Ì. Êóøí³ðà òà ÷ë.-êîð. ÍÀÍ Óêðà¿íè Â.Î. Ïåëèõà [Åëåêòðîííèé ðåñóðñ] // ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2023. – 452 ñ. – Ðåæèì äîñòóïó: http://iapmm.lviv.ua/mpmm2023/materials/proceedings.mpmm2023.pdf – Ñ. 397398. – http://iapmm.lviv.ua/mpmm2023/materials/ma10_08.pdf

54.       Shavarovskii Bohdan.The triangular form of the polynomial 3 × 3-matrix of a simple structure and its invariants with respect to semiscalar equivalence // 14th Ukraine Algebra Conference, July 3-7, 2023 Sumy, Ukraine. Book of Abstracts: Sumy State Pedagogical University named after A.S. Makarenko, Sumy, Ukraine. – 150 p. – P. 123.

55.       Ïðîê³ï Âîëîäèìèð, Ìåëüíèê Îðåñò, Êîëÿäà Ðîñòèñëàâà. Ïðî ïîä³ëüí³ñòü ìíîãî÷ëåííèõ ìàòðèöü íàä ïîëåì // Có÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè – 2023: çá³ðíèê íàóêîâèõ ïðàöü / çà çàã. ðåä. àêàä. ÍÀÍ Óêðà¿íè Ð.Ì. Êóøí³ðà òà ÷ë.-êîð. ÍÀÍ Óêðà¿íè Â.Î. Ïåëèõà [Åëåêòðîííèé ðåñóðñ] // ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2023. – 452 ñ. – Ðåæèì äîñòóïó:– Ñ. 389–390. – http://iapmm.lviv.ua/mpmm2023/materials/ma10_04.pdf.

56.       Prokip V. On canonical form of matrices with minimal polynomial m(λ)=(λ-α)2. // 14th Ukraine Algebra Conference, July 3-7, 2023 Sumy, Ukraine. Book of Abstracts: Sumy State Pedagogical University named after A.S. Makarenko, Sumy, Ukraine. – 150 p. – P.109.

57.       Prokip V.M. On equivalence of polynomial matrices over a field // Ukraine Algebra Conference "At the End of the Year 2023" December 26   27, 2023, Kyiv, Ukraine. Book of abstracts: Kyiv, 2023. – 59 p. – P. 46.

58.       Vasyl Fedorchuk, Volodymyr Fedorchuk. On symmetry reduction of the (1+3)-dimensional Inhomogeneous Monge-Ampère equation to algebraic equation. The XVI-th International Conference of Differential Geometry and Dynamical Systems ( DGDS-2022 ), (1 - 4 September 2022) * ONLINE * [Bucharest, Romania]. The booklet of abstracts. p. 10. \\ http://www.mathem.pub.ro/dept/dgds-22/dgds-22.htm

59.       Ëàäçîðèøèí Í. Ïðî ÷èñëî ñòàíäàðòíèõ ïàð ïàðè ìàòðèöü íàä ê³ëüöåì ö³ëèõ ãàóñîâèõ ÷èñåë â³äíîñíî (z,k)-åêâ³âàëåíòíîñò³ // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ “ϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2022”, 25–27 òðàâíÿ, 2022 ð., Ëüâ³â. – [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/chyt2022/abstracts/Ladzoryshyn.pdf). 

60.       Ðîìàí³â À. Ïðî âëàñòèâ³ñòü ³íâàð³àíòíèõ ìíîæíèê³â ìàòðèö³ òà ¿¿ ï³äìàòðèö³ // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ “ϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2022”, 25–27 òðàâíÿ, 2022 ð., Ëüâ³â. – [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/chyt2022/abstracts/Romaniv.pdf).

61.       Prokip V.M. About solvability of the matrix equation AX= B over Bezout domains // In International Scientific Conference Algebraic and Geometric Methods of Analysis. Odesa, Ukraine May 24-27, 2022. P. 39–40.

62.       Prokip V.M. A note on a minimal solution of the matrix polynomial equation A(λ)X(λ)-Y(λ)B(λ)=C(λ) // International Algebraic Conference "At the End of the Year" 2022, December 27–28, 2022, Kyiv, Ukraine, Abstracts: Taras Shevchenko National University of Kyiv, Kyiv, Ukraine. – 73 p. – P. 43

63.       Fedorchuk Vasyl, Fedorchuk Volodymyr. On patrial preliminary group classification of some class of (1+3)-dimensional Monge-Ampere equations. One-dimensional Galilean Lie algebras // International Scientific Conference "Algebraic and Geometric Methods of Analysis" Odesa, Ukraine May 24-27, 2022. http://imath.kiev.ua/~topology/conf/agma2022/contents/abstracts/texts/fedorchuk/fedorchuk.pdf – P. 16–17.

64.       Fedorchuk Vasyl, Fedorchuk Volodymyr. On patrial preliminary group classification of some class of (1+3)-dimensional Monge-Ampere equations. I. One-dimensional Lie algebras // Workshop "Symmetry and Integrability of Equations of Mathematical Physics" December 23-24, 2022, Kyiv, Ukraine. http://www.imath.kiev.ua/~appmath/Abstracts2022/Fedorchuk.pdf

65.       Bovdi V., Shchedryk V. The structure of the Zelisko group elements over factor ring of Bezout domain of stable range 1.5. // The 13th International Algebraic Conference in Ukraine. July 6–9, 2021, Taras Shevchenko National University of Kyiv. Book of Abstracts: Taras Shevchenko National University of Kyiv, Kyiv, Ukraine. – 94 p. Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/3hcTbKe – P. 25.

66.       Petrychkovych V.M., Dzhaliuk N.S. Application of special triangular forms of matrices with respect to equivalences of different types to solving linear matrix equations of Sylvester type // International Algebraic Conference "At the End of the Year" 2021, December 27–28, 2021, Kyiv, Ukraine, Abstracts: Kyiv. – 36 p. – P. 20.

67.       Dzhaliuk N., Petrychkovych V. Solutions of matrix linear Sylvester type equations // International Conference in Complex and Functional Analysis dedicated to the memory of Bohdan Vynnytskyi. September 13–16, 2021, Drohobych, Ukraine. Book of Abstracts: Drohobych State Pedagogical University of Ivan Franko, Drohobych, Ukraine. – 67 p. – P. 15.

68.       Nataliia Dzhaliuk, Vasyl' Petrychkovych Block matrices, their equivalences and applications // The 13th International Algebraic Conference in Ukraine. July 6–9, 2021, Taras Shevchenko National University of Kyiv. Book of Abstracts: Taras Shevchenko National University of Kyiv, Kyiv, Ukraine. – 94 p. Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/3hcTbKeP. 34.

69.       Natalija Ladzoryshyn, Vasyl' Petrychkovych. On the number of standard forms of matrices over imaginary Euclidean quadratic rings with respect to the (z,k)-equivalence // The 13th International Algebraic Conference in Ukraine. July 6–9, 2021, Taras Shevchenko National University of Kyiv. Book of Abstracts: Taras Shevchenko National University of Kyiv, Kyiv, Ukraine. – 94 p. Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/3hcTbKe – P. 45.

70.       Romaniv A. Divisibility of invariant factors of two matrices and invariant factors of sum of these matrices // The 13th International Algebraic Conference in Ukraine. July 6–9, 2021, Taras Shevchenko National University of Kyiv. Book of Abstracts: Taras Shevchenko National University of Kyiv, Kyiv, Ukraine. – 94 p. – Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/3hcTbKe – P.66.

71.       Vasyl Fedorchuk, Volodymyr Fedorchuk. On symmetry reduction and some classes of invariant solutions of the (1 + 3)-dimensional homogeneous Monge-Ampère equation. // International On line Conference Algebraic and Geometric Methods of Analysis dedicate to the memory of Yuriy Trokhymchuk (17.03.1928-18.12.2019) (May 25-28, 2021, Odesa, Ukraine). Book of Abstracts. p.36 https://www.imath.kiev.ua/~topology/conf/agma2021/contents/agma2021-abstracts.pdf

72.       Vasyl Fedorchuk, Volodymyr Fedorchuk. On symmetry reduction and some classes of invariant solutions of the (1+3)-dimensional inhomogeneous Monge-Ampère equation.// The XV-th International Conference of Differenti-al Geometry and Dynamical Systems (DGDS-2021) 26 - 29 August 2021 * ONLINE * [Bucharest, Romania]. The booklet of abstracts. p.5 http://www.mathem.pub.ro/dept/dgds-21/dgds-21.htm

73.       Shavarovskii Bohdan Semiscalar equivalence of polynomial 3-by-3 matrices of simple structure // The 13th International Algebraic Conference in Ukraine. July 6–9, 2021, Taras Shevchenko National University of Kyiv. Book of Abstracts: Taras Shevchenko National University of Kyiv, Kyiv, Ukraine. – 94 p. Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/3hcTbKe – P. 75.

74.       Prokip V. Roth's theorems and similarity of matrices // The 13th International Algebraic Conference in Ukraine. July 6–9, 2021, Taras Shevchenko National University of Kyiv. Book of Abstracts: Taras Shevchenko National University of Kyiv, Kyiv, Ukraine. – 94 p. Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/3hcTbKe – P. 90.

75.       Prokip V. On the matrix equation AX - YB=C over Bezout domains // International Online Conference Algebraic and Geometric Methods of Analysis dedicate to the memory of Yuriy Trokhymchuk (17.03.1928-18.12.2019) (May 25-28, 2021, Odesa, Ukraine). Book of Abstracts. – 172 p. − P. 122. − https://www.imath.kiev.ua/~topology/conf/agma2021/contents/agma2021-abstracts.pdf.

76.       Prokip V.M. On solutions of the matrix equation   // International Algebraic Conference "At the End of the Year" 2021, December 27–28, 2021, Kyiv, Ukraine, Abstracts: Taras Shevchenko National University of Kyiv, Kyiv, Ukraine. – 35 p. – P. 21.

77.       Shchedryk V., Gatalevych A. On adequacy of full matrices over adequate rings // XI International Skorobohatko Mathematical Conference. October 26−30, 2020, Lviv, Ukraine. Abstracts: Lviv: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 2020. – 130 p. – Ðåæèì äîñòóïó äî ðåñóðñó: http://www.iapmm.lviv.ua/conf_skorob2020/documents/2020tezy.pdf – P. 35.

78.       Andriy Romaniv Divisibility of invariant factors of a matrix and its submatrix // XI International Skorobohatko Mathematical Conference. October 26−30, 2020, Lviv, Ukraine. Abstracts: Lviv: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 2020. – 130 p. Ðåæèì äîñòóïó äî ðåñóðñó: http://www.iapmm.lviv.ua/conf_skorob2020/documents/2020tezy.pdf – P.100.

79.       Bohdan Shavarovskii. Canonical form of a reduced matrix with all non-zero sub-diagonal elements // XI International Skorobohatko Mathematical Conference. October 26−30, 2020, Lviv, Ukraine. Abstracts: Lviv: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 2020. – 130 p. – Ðåæèì äîñòóïó äî ðåñóðñó: http://www.iapmm.lviv.ua/conf_skorob2020/documents/2020tezy.pdf – P 106.

80.       Prokip V. A note on semiscalar  equivalence of polynomial matrices // XI International Skorobohatko Mathematical Conference. October 26−30, 2020, Lviv, Ukraine. Abstracts: Lviv: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 2020. – 130 p. – Ðåæèì äîñòóïó äî ðåñóðñó: http://www.iapmm.lviv.ua/conf_skorob2020/documents/2020tezy.pdf – P.93.

81.       Ladzoryshyn N., Petrychkovych V. The standard form of matrices over imaginary Euclidean quadratic rings with respect to (z,k)-equivalence // XI International Skorobohatko Mathematical Conference. October 26−30, 2020, Lviv, Ukraine. Abstracts: Lviv: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 2020. – 130 p. – Ðåæèì äîñòóïó äî ðåñóðñó: http://www.iapmm.lviv.ua/conf_skorob2020/documents/2020tezy.pdf – P. 59.

82.       Vasyl Fedorchuk, Volodymyr Fedorchuk. On symmetry reduction and some classes of invariant solutions of the (1+3)-dimensional Monge-Ampère equation. The XIV-th International Conference of Differential Geometry and Dynamical Systems ( DGDS-2020 ) 27 -29 August 2020 * ONLINE * [Bucharest, Romania]. List of abstracts, p.2. http://www.mathem.pub.ro/dept/dgds-20/dgds-20.htm

83.       Vasyl Fedorchuk, Volodymyr Fedorchuk. On Classification of Symmetry Reductions for Some P(1,4)-Invariant Partial Differential Equations. XI International Skorobohatko Mathematical Conference (October 26-30, 2020, Lviv, Ukraine). Book of Abstracts. p.31. http://www.iapmm.lviv.ua/conf_skorob2020/documents/2020tezy.pdf

84.       Volodymyr Fedorchuk. On Symmetry Reduction and Invariant Solutions of the Euler-Lagrange-Born-Infeld Equation. XI International Skorobohatko Mathematical Conference (October 26-30, 2020, Lviv, Ukraine). Book of Abstracts. p.32. http://www.iapmm.lviv.ua/conf_skorob2020/documents/2020tezy.pdf

85.       Bilous A. Stable range of some classes of non commutative rings // XI International Skorobohatko Mathematical Conference. October 26−30, 2020, Lviv, Ukraine. Abstracts: Lviv: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 2020. – 130 p. – Ðåæèì äîñòóïó äî ðåñóðñó: http://www.iapmm.lviv.ua/conf_skorob2020/documents/2020tezy.pdf – P. 15.

86.       Nataliia Dzhaliuk Equivalence of matrices in the ring of the block triangular matrices // XI International Skorobohatko Mathematical Conference. October 26−30, 2020, Lviv, Ukraine. Abstracts: Lviv: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 2020. – 130 p. – Ðåæèì äîñòóïó äî ðåñóðñó: http://www.iapmm.lviv.ua/conf_skorob2020/documents/2020tezy.pdf – P. 29.

87.       Bovdi V., Shchedryk V.P. The structure of elements of the Zelisko group // Book of abstracts of the International mathematical conference dedicated to the 60th anniversary of the department of algebra and mathematical logic of Taras Shevchenko National University of Kyiv, 14-17 July 2020, Kyiv, Ukraine. – 93 p. – Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/2ZIyqMs – P. 27.

88.       V. M. Fedorchuk, V. I. Fedorchuk On some applications of classication of low-dimensional Lie algebras // Book of abstracts of the International mathematical conference dedicated to the 60th anniversary of the department of algebra and mathematical logic of Taras Shevchenko National University of Kyiv, 14-17 July 2020, Kyiv, Ukraine. – 93 p. – Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/2ZIyqMs – P. 34.

89.       Prokip V.M. On similarity of families of 2x2 matrices over a field // Book of abstracts of the International mathematical conference dedicated to the 60th anniversary of the department of algebra and mathematical logic of Taras Shevchenko National University of Kyiv, 14-17 July 2020, Kyiv, Ukraine. – 93 p. – Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/2ZIyqMs – P. 27.

90.       Shavarovskii B.Z. Canonical form of a reduced matrix with one zero sub-diagonal element // Book of abstracts of the International mathematical conference dedicated to the 60th anniversary of the department of algebra and mathematical logic of Taras Shevchenko National University of Kyiv, 14-17 July 2020, Kyiv, Ukraine. – 93 p. – Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/2ZIyqMs – P. 74.

91.       Petrychkovych V.M., Dzhaliuk N.S. Solvability of the matrix Sylvester-type equation in the ring of the block triangular matrices // Book of abstracts of the International mathematical conference dedicated to the 60th anniversary of the department of algebra and mathematical logic of Taras Shevchenko National University of Kyiv, 14-17 July 2020, Kyiv, Ukraine. – 93 p. – Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/2ZIyqMs – P. 63.

92.       Romaniv A. M. Properties of the invariant factors of the sum of matrices // Book of abstracts of the International mathematical conference dedicated to the 60th anniversary of the department of algebra and mathematical logic of Taras Shevchenko National University of Kyiv, 14-17 July 2020, Kyiv, Ukraine. – 93 p. – Ðåæèì äîñòóïó äî ðåñóðñó: https://bit.ly/2ZIyqMs – P. 71.

93.       Á³ëîóñ À. Ñòàá³ëüíèé ðàíã äåÿêèõ êëàñ³â íåêîìóòàòèâíèõ ê³ëåöü // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ “ϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2020”, 26–28 òðàâíÿ, 2020ð., Ëüâ³â. – [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/chyt2020/abstracts/Bilous.pdf)

94.       Ëàäçîðèøèí Í. (z,k)-åêâ³âàëåíòí³ñòü ìàòðèöü íàä ê³ëüöåì ö³ëèõ ãàóñîâèõ ÷èñåë // Conference of young Scientists “Pidstryhach reading – 2020”. – L’viv, Ukraine May 26–28, 2020, L’viv. – [Electronic resource]. – Access mode: (http://www.iapmm.lviv.ua/chyt2020/abstracts/Ladzoryshyn.pdf).

95.       Romaniv A.M., Dzhaliuk N.S. Some connections between invariant factors of matrix and its submatrix // International Scientific Conference Algebraic and Geometric Methods of Analysis, 26-30 may 2020, Odesa, Ukraine. – 131 p. – Ðåæèì äîñòóïó äî ðåñóðñó: https://www.imath.kiev.ua/~topology/conf/agma2020/agma-2020-abstracts/agma2020-theses.pdf – P. 57.

96.       Prokip V. On similarity of two families of matrices over a  field // International Scientific Conference Algebraic and Geometric Methods of Analysis, 26-30 may 2020, Odesa, Ukraine. – 131 p. – Ðåæèì äîñòóïó äî ðåñóðñó: https://www.imath.kiev.ua/~topology/conf/agma2020/agma-2020-abstracts/agma2020-theses.pdf – P. 55.

97.       Ïðîê³ï Â.Ì. Ïðî êâàäðàòí³ êîðåí³ ìàòðèöü íàä îáëàñòþ ãîëîâíèõ ³äåàë³â // PSCIMFS–16 (16-òà ³äêðèòà íàóêîâà êîíôåðåíö³ÿ ²ÌÔÍ), 06–07 ëþòîãî 2020 ðîêó, Ëüâ³â, Óêðà¿íà, Ñ.65–66.

98.       Shavarovskii B.Z. Semiscalar equivalence of one class of 3-by-3 matrices // XII International Algebraic Conference in Ukraine dedicated to the 215th anniversary of V. Bunyakovsky, July 02–06, 2019, Vinnytsia, Ukraine. – 142 p. – P. 101–102.

99.       Shchedryk V. On great common divisors and least common multiple of matrix equation solutions // XII International Algebraic Conference in Ukraine dedicated to the 215th anniversary of V. Bunyakovsky, July 2-6, 2019,Vinnytsia, Ukraine. Abstracts. – Vinnytsia:Vasyl’ Stus Donetsk University, 2019. – 142 p. – P. 102.

100.    Nataliia Dzhaliuk. Solutions of the Sylvester matrix equation with triangular coefficients // XII International Algebraic Conference in Ukraine dedicated to the 215th anniversary of V. Bunyakovsky, July 2-6, 2019,Vinnytsia, Ukraine. Abstracts. – Vinnytsia:Vasyl’ Stus Donetsk University, 2019. – 142 p. – P. 28–29. http://jiac.donnu.edu.ua/article/view/6933/6964

101.    Ladzoryshyn N., Petrychkovych V. (z,k)-equivalence of matrices over Euclidean quadratic rings and solutions of matrix equation AX+YB=C // XII International Algebraic Conference in Ukraine dedicated to the 215th anniversary of V. Bunyakovsky, July 2-6, 2019,Vinnytsia, Ukraine. Abstracts. – Vinnytsia:Vasyl’ Stus Donetsk University, 2019. – 142 p. – P. 63–64.

102.    Ëàäçîðèøèí Í. Ïðî ðîçâÿçêè ìàòðè÷íîãî ð³âíÿííÿ AX+BY=C íàä êâàäðàòè÷íèìè åâê볬äîâèìè ê³ëüöÿìè //  Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2019”, 27–29 òðàâíÿ, 2019ð., Ëüâ³â. – [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://iapmm.lviv.ua/chyt2019/abstracts/Ladzoryshyn.pdf).

103.    Prokip V. On similarity of tuples of matrices over a field // XII International Algebraic Conference in Ukraine dedicated to the 215th anniversary of V. Bunyakovsky, July 2-6, 2019,Vinnytsia, Ukraine. Abstracts. – Vinnytsia:Vasyl’ Stus Donetsk University, 2019. – 142 p. – P. 90–91.

104.    Romaniv A. Reduction of nonsingular matrices over rings of almost stable range 1 // XII International Algebraic Conference in Ukraine dedicated to the 215th anniversary of V. Bunyakovsky, July 2-6, 2019,Vinnytsia, Ukraine. Abstracts. – Vinnytsia:Vasyl’ Stus Donetsk University, 2019. – 142 p. – P. 93-94.

105.    Ðîìàí³â Àíäð³é. Åëåìåíò ìàéæå ñòàá³ëüíîãî ðàíãó 1 íàä êîìóòàòèâíîþ îáëàñòþ åëåìåíòàðíèõ ä³ëüíèê³â // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ “ϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2019”, 27–29 òðàâíÿ 2019ð., Ëüâ³â. – [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/chyt2019/abstracts/Romaniv.pdf).

106.    V. M. Fedorchuk and V. I. Fedorchuk.  On classification of symmetry reductions and invariant solutions for the Euler-Lagrange-Born-Infeld equation. Book of Abstracts. Kiev, Bogolyubov Institute for Theoretical Physics of NAS of Ukraine, 2019, P.10. https://indico.bitp.kiev.ua/event/3/attachments/1/83/abstr_bgl_2019.pdf

107.    Á³ëîóñ À. ijàãîíàë³çàö³ÿ ³äåìïîòåíòíèõ ìàòðèöü íàä äóî ê³ëüöåì// Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ “ϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2019”, 27–29 òðàâíÿ, 2019ð., Ëüâ³â. – [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://iapmm.lviv.ua/chyt2019/abstracts/Bilous.pdf).

108.    Bilous A. Diagonability of idempotent matrices over duo rings // XII International Algebraic Conference in Ukraine dedicated to the 215th anniversary of V. Bunyakovsky, July 2-6, 2019,Vinnytsia, Ukraine. Abstracts. – Vinnytsia:Vasyl’ Stus Donetsk University, 2019. – 142 p. – P. 17–18. (http://jiac.donnu.edu.ua/article/view/6920/6951)

109.    Ïðîê³ï Â.Ì. Àëãîðèòì ïîáóäîâè óí³òàëüíîãî ä³ëüíèêà äëÿ ìíîãî÷ëåííî¿ ìàòðèö³ // Òåçè äîïîâ³äåé ì³æíàð. êîíôåðåíö³¿ “Algebraic and geometric methods of analysis” Îäåñà. − 2019. − Ñ. 68 − 69.

110.    Äæàëþê Íàòàë³ÿ, Ïåòðè÷êîâè÷ Âàñèëü Òðèêóòí³ ðîçâ'ÿçêè ìàòðè÷íîãî ð³âíÿííÿ AX+YB=C // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè: çá³ðíèê íàóêîâèõ ïðàöü ó 3-õ ò. / çà çàã.ðåä. À.Ñ. Ñàìîéëåíêà òà Ð.Ì. Êóøí³ðà [Åëåêòðîííèé ðåñóðñ] // ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2018. – Ò.3. – Ðåæèì äîñòóïó äî ðåñóðñó: www.iapmm.lviv.ua/mpmm2018.C. 197–198.

111.    Êóçü À. Ì., Ðîìàí³â À. Ì., Ñèìîòþê Ì. Ì. Àíàëîã ³íòåãðàëüíî¿ çàäà÷³ äëÿ ð³âíÿíü ³ç ÷àñòèíèìè ïîõ³äíèìè íàä ïîëåì ð-àäè÷íèõ ÷èñåë // Íåë³í³éí³ ïðîáëåìè àíàë³çó: VI Âñåóêðà¿íñüêà ìàò. êîíô. ³ìåí³ Á. Â. Âàñèëèøèíà: Òåçè äîïîâ³äåé, (26-28 âåðåñíÿ 2018ð., ²âàíî-Ôðàíê³âñüê – Ìèêóëè÷èí). – ²âàíî-Ôðàíê³âñüê: Ãîë³íåé, 2018. – Ñ. 30.

112.    Ëàäçîðèøèí Í. Ïðî ðîçâ’ÿçí³ñòü ìàòðè÷íèõ ä³îôàíòîâèõ ð³âíÿíü íàä êâàäðàòè÷íèìè ê³ëüöÿìè // ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ «Ñó÷àñí³ ïðîáëåìè ìåõàí³êè ³ ìà¬òå¬ìà¬òè¬êè»:  3-õ ò. / ï³ä çàãàëüíîþ ðåäàêö³ºþ À.Ì. Ñàìîéëåíêà, Ð.Ì. Êóøí³ðà. [Åëåêòðîííèé ðåñóðñ] – Ëüâ³â: ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ.ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè, 2018. – Ò.3. – Ñ. 217–218 – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/mpmm2018/Volume_3.pdf).

113.    Romaniv A.M. On the relationship between the Smith normal forms of matrices and of their least common multiple // Book of abstracts of the International Scientific Conference “Algebraic and geometric methods of analysis” (May 30 – June 4, 2018, Odesa, Ukraine). P.53. [Electronic resource]. - Access mode: (http://www.imath.kiev.ua/~topology/conf/agma2018)

114.    Àíäð³é Ðîìàí³â, Âîëîäèìèð Ùåäðèê. Ïðî ñòàá³ëüíèé ðàíã ê³ëåöü ìàòðèöü íàä êîìóòàòèâíèìè ê³ëüöÿìè ãîëîâíèõ ³äåàë³â // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè, çá³ðíèê íàóêîâèõ ïðàöü ó 3-õ ò. / çà çàã.ðåä. À.Ì. Ñàìîéëåíêà òà Ð.Ì. Êóøí³ðà / ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè òà ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2018. – ò.3 – [Åëåêòðîííèé  ðåñóðñ] – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/mpmm2018)

115.    Áîãäàí Øàâàðîâñüêèé. Óòî÷íåíà òðèêóòíà ôîðìà 3×3-ìàòðèöü ç îäíèì õàðàêòåðèñòè÷íèì  êîðåíåì ó êëàñ³ íàï³âñêàëÿðíî åêâ³âàëåíòíèõ ìàòðèöü // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè, çá³ðíèê íàóêîâèõ ïðàöü ó 3-õ ò. / çà çàã.ðåä. À.Ì. Ñàìîéëåíêà òà Ð.Ì. Êóøí³ðà / ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè òà ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2018. – ò.3 – Ñ. 241–242. [Åëåêòðîííèé  ðåñóðñ] – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/mpmm2018)

116.    Volodymyr Fedorchuk, On some invariant solutions for the Euler–Lagrange–Born–Infeld equation // Symmetry and Integrability of Equations of Mathematical Physics, International workshop on the occasion of the fortieth anniversary of the Department of Applied Research (nowadays the Department of Mathematical Physics) (December 21-24, 2018, Kyiv, Institute of Mathematics of NAS of Ukraine). https://www.imath.kiev.ua/~appmath/Abstracts2018/FedorchukV.html.

117.    Vasyl Fedorchuk, On Symmetry Reduction of Some Partial Differential Equations. Có÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè: çá³ðíèê íàóêîâèõ ïðàöü ó 3-õ ò. /çà çàã. ðåä. À.Ì. Ñàìîéëåíêà òà Ð.Ì. Êóøí³ðà [Åëåêòðîííèé ðåñóðñ] // ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2018. – Ò. 3. – p. 187., http://www.iapmm.lviv.ua/mpmm2018/Volume 3.pdf

118.    Volodymyr Fedorchuk, On Symmetry Reduction of the Eikonal Equation. Có÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè: çá³ðíèê íàóêîâèõ ïðàöü ó 3-õ ò. /çà çàã. ðåä. À.Ì. Ñàìîéëåíêà òà Ð.Ì. Êóøí³ðà [Åëåêòðîííèé ðåñóðñ] // ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2018. – Ò. 3. – p. 188. http://www.iapmm.lviv.ua/mpmm2018/Volume 3.pdf

119.    Fedorchuk Vasyl, On symmetry reduction and invariant solutions of some partial differential equations. The 32nd International Colloquium on Group Theoretical Methods in Physics (Group32) (9-13 July 2018, Czech Technical University in Prague, Czech Republic). Book of Abstracts. - p. 23., http://kmlinux.fjfi.cvut.cz/~burdices/Group32/new-booklet.pdf

120.    Vasyl Fedorchuk, Volodymyr Fedorchuk, On classification of some non-singular manifolds in the space M(1,3)xR(u) and symmetry reduction of the eikonal equation. The XII-th International Conference of Differential Geometry and Dynamical Systems (DGDS-2018) (30 August - 2 September 2018, the Callatis High-School in the city Mangalia - Romania). Abstracts. - p. 1., http://www.mathem.pub.ro/dept/dgds-18/dgds-18.htm

121.    Ôåäîð÷óê Â.Ì., Ôåäîð÷óê Â.²., Ïðî ñèìåòð³éíó ðåäóêö³þ äåÿêèõ äèôåðåíö³àëüíèõ ð³âíÿíü ç ÷àñòèííèìè ïîõ³äíèìè. VI Âñåóêðà¿íñüêà ìàòåìàòè÷íà êîíôåðåíöiÿ ³ìåí³ Á.Â. Âàñèëèøèíà "Íåëiíiéíi ïðîáëåìè àíàëiçó" (26-28 âåðåñíÿ 2018 ðîêó, Iâàíî-Ôðàíêiâñüê- Ìèêóëè÷èí). Òåçè äîïîâiäåé. Iâàíî-Ôðàíêiâñüê, Ïðèêàðïàòñüêèé íàö³îíàëüíèé óíiâåðñèòåò iì. Âàñèëÿ Ñòåôàíèêà, 2018, 63.

122.    Ôåäîð÷óê Â.²., Ïðî ñèìåòð³éíó ðåäóêö³þ òà ³íâàð³àíòí³ ðîçâ'ÿçêè ð³âíÿííÿ åéêîíàëà. VI Âñåóêðà¿íñüêà ìàòåìàòè÷íà êîíôåðåíöiÿ ³ìåí³ Á.Â. Âàñèëèøèíà "Íåëiíiéíi ïðîáëåìè àíàëiçó" (26-28 âåðåñíÿ 2018 ðîêó, Iâàíî-Ôðàíêiâñüê- Ìèêóëè÷èí). Òåçè äîïîâiäåé. Iâàíî-Ôðàíêiâñüê, Ïðèêàðïàòñüêèé íàö³îíàëüíèé óíiâåðñèòåò iì. Âàñèëÿ Ñòåôàíèêà, 2018, 64.

123.    Vasyl Fedorchuk, Volodymyr Fedorchuk, On classification of symmetry reductions for the Euler–Lagrange–Born–Infeld equation // Symmetry and Integrability of Equations of Mathematical Physics, International workshop on the occasion of the fortieth anniversary of the Department of Applied Research (nowadays the Department of Mathematical Physics) (December 21-24, 2018, Kyiv, Institute of Mathematics of NAS of Ukraine). https://www.imath.kiev.ua/~appmath/Abstracts2018/Fedorchuk.html.

124.    Vasyl Fedorchuk, and Volodymyr Fedorchuk, On Classification of Symmetry Reductions for Partial Differential Equations www.mdpi.com/2504-3900/2/1/85; Proceedings 2018, 2(1), 85; https://doi.org/10.3390/proceedings2010085

125.    Prokip Volodymyr On the similarity of matrices AB and BA // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè: çá³ðíèê íàóêîâèõ ïðàöü ó 3-õ ò. / çà çàã.ðåä. À.Ñ. Ñàìîéëåíêà òà Ð.Ì. Êóøí³ðà [Åëåêòðîííèé ðåñóðñ] // ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè. – 2018. – Ò.3. – Ðåæèì äîñòóïó äî ðåñóðñó: www.iapmm.lviv.ua/mpmm2018. – C. 260–261.

126.    Ïðîê³ï Â.Ì. Ïðî ñòðóêòóðó ðîçâ’ÿçê³â ìàòðè÷íîãî ð³âíÿííÿ AX - XB = C // Ìàòåð³àëè äîïîâ³äåé ̳æíàð. íàóê. êîíôåð. “Ñó÷àñí³ ïðîáëåìè ìàòåìàòè÷íîãî ìîäåëþâàííÿ, îá÷èñëþâàëüíèõ ìåòîä³â òà ³íôîðìàö³éíèõ òåõíîëîã³é ”. гâíå , 2018. Ñ.138-139.

127.    V.M. Prokip A note on similarity of matrices // Book of abstracts of the International Scientific Conference “Algebraic and geometric methods of analysis” (May 30 – June 4, 2018, Odesa, Ukraine). P.49. [Electronic resource]. - Access mode: (http://www.imath.kiev.ua/~topology/conf/agma2018)

128.    Petrychkovych Vasyl', Dzhaliuk Nataliia Factorizations in the matrix ring and its subrings of the block matrices // The Fourth Conference of Mathematical Society of the Republic of Moldova: dedicated to the centenary of Vladimir Andrunachievici (1917-1997): Proceedings CMSM 4, June 28 – July 2, 2017 Chisinau / ed.: Mitrofan Choban [et al.]. Chisinau: Institute of Mathematics and Computer science, 2017 (CEP USM). P.143–146.

129.    Petrychkovych V.M., Dzhaliuk N.S. A bound on degrees of solutions of the matrix linear bilateral polynomial equation // Book of abstracts of the XI International Algebraic Conference in Ukraine dedicated to the 75th anniversary of V.V.Kirichenko (July, 2017, Kyiv, Ukraine). P.99.

130.    Romaniv A.M. The Smith normal form of the lest common multiples of one class of matrices // Book of abstracts of the XI International Algebraic Conference in Ukraine dedicated to the 75th anniversary of V.V.Kirichenko (July, 2017, Kyiv, Ukraine). P.115.

131.    Shavarovskii B.Z. Improved triangular form of the matrix and its invariants // Book of abstracts of the XI International Algebraic Conference in Ukraine dedicated to the 75th anniversary of V.V.Kirichenko (July, 2017, Kyiv, Ukraine). P.123.

132.    Shchedryk V.P. Helmer lemma for Bezout domains of stable range 1.5 // Book of abstracts of the XI International Algebraic Conference in Ukraine dedicated to the 75th anniversary of V.V.Kirichenko (July, 2017, Kyiv, Ukraine). P.124.

133.    Ðîìàí³â À. Ïðî ðîçêëàä ìàòðèö³ ç ïîâíî¿ ë³í³éíî¿ ãðóïè â äîáóòîê ìàòðèöü ç ïåâíèõ ¿¿ ï³äìíîæèí // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2017”, 23–25 òðàâíÿ 2017ð., Ëüâ³â. – [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/chyt2017/abstracts/Romaniv.pdf).

134.    Prokip V.M. On solvability of the matrix equation ÀÕ=XÂ over integral domains // Book of abstracts of the XI International Algebraic Conference in Ukraine dedicated to the 75th anniversary of V.V.Kirichenko (July, 2017, Kyiv, Ukraine). P.107.

135.    Ïðîê³ï Â.Ì. Ïðî ñóì³ñí³ñòü ñèñòåìè ìàòðè÷íèõ ð³âíÿíü AX = B ³ BY = A íàä êîìóòàòèâíèìè ê³ëüöÿìè // 13 ïðèñâÿ÷åíà 125 ð³÷÷þ â³ä äíÿ íàðîäæåííÿ Ñòåôàíà Áàíàõà. 30-31 áåðåçíÿ 2017. Ëüâ³â, Óêðà¿íà. Çá³ðíèê ìàòåð³àë³â êîíôåðåíö³¿. Ñ.65-66.

136.    Fedorchuk Vasyl. O klasyfikacji niskowymiarowych algebr Liego // Abstrakty Drugiej Ogόlnopolskej Konferencji Naukowej "Oblicza Algebry II" (Krakόw, 1-4 czerwca, 2017), Uniwersytet Pedagogiczny im. KEN w Krakowie. − S. 15. − http:// algebra.up.krakow.pl/II/files/abstrakty. http://algebra.up.krakow.pl/II/files/abstrakty.pdf (Äîïîâ³äü çðîáëåíà).

137.    Fedorchuk Vasyl, Fedorchuk Volodymyr. On Ñlassification of Symmetry Reductions for Partial Differential Equations // Program and Abstract Book. Symmetry 2017: The 1st International Conference on Symmetry (16-18  October 2017, Parc Cientific de Barcelona, Spain), MDPI. − P. 168. (Äîïîâ³äü çðîáëåíà).

138.    Fedorchuk V.M. , Fedorchuk V.I.  On Classification of Some Non-Singular Manifolds In the Space M(1,3) ×R(u). // BGL17: 10th Bolyai-Gauss-Lobachevski Conference on Non-Euclidean Geometry and its Applications. (Aug 20–26, 2017 Gyöngyös, Hungary). https://indico.cern.ch/event/586799/attachments/1400831/2353974/bgl17_preliminary_agenda.pdf (Äîïîâ³äü çðîáëåíà).

139.    Fedorchuk V.M., Fedorchuk V.I. Classification of low-dimensional Lie Algebras // Book of abstracts of the XI International Algebraic Conference in Ukraine dedicated to the 75th anniversary of V.V.Kirichenko. July, 2017, Kyiv, Ukraine. – 159 p. – P. 42.

140.    Bilous A. M.  Effective duo rings // Book of abstracts of the XI International Algebraic Conference in Ukraine dedicated to the 75th anniversary of V.V.Kirichenko, July, 2017, Kyiv, Ukraine – P.23.

141.    Ðîìàí³â À. Ôîðìà Ñì³òà íàéá³ëüøîãî ñï³ëüíîãî ä³ëüíèêà îäíîãî êëàñó ìàòðèöü // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ ϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2016, 2527 òðàâíÿ 2016ð., Ëüâ³â. [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/chyt2016/theses/Romaniv.pdf).

142.    Ïðîêèï Â.Ì. Ñòðóêòóðà ìàòðèö ðàíãà 1 íàä îáëàñòüþ ãëàâíûõ èäåàëîâ îòíîñèòåëüíî ïðåîáðàçîâàíèÿ ïîäîáèÿ // Àëãåáðà è ëîãèêà. Òåçèñû äîêëàäîâ Ìåæäóíàð. êîíô., ïîñâÿùåííîé 70-ëåòèþ Â. Ì. Ëåâ÷óêà Êðàñíîÿðñê, 24–29 èþëÿ 2016 ã. Ñ.63–64.

143.    Ïðîê³ï Â.Ì. Ïðî ñèìåòðè÷í³ ðîçâ’ÿçêè ë³í³éíèõ ìàòðè÷íèõ ð³âíÿíü íàä îáëàñòþ ãîëîâíèõ ³äåàë³â // 12 Âiäêðèòà íàóêîâà êîíôåðåíöiÿ Iíñòèòóòó ïðèêëàäíî¿ ìàòåìàòèêè òà ôóíäàìåíòàëüíèõ íàóê (IÌÔÍ). Çáiðíèê ìàòåðiàëiâ êîíôåðåíöi¿ 2–3 ÷åðâíÿ 2016 ðîêó (Ëüâiâ, Óêðà¿íà). Ñ.41–42.

144.    Ïðîê³ï Â.Ì. Ïðî ñòðóêòóðó ñèìåòðè÷íèõ ðîçâÿçê³â ìàòðè÷íîãî ð³âíÿííÿ ÀÕ= // Òåçè äîïîâ³äåé ì³æíàð. Êîíôåð. “Ãåîìåòð³ÿ ³ òîïîëîã³ÿ â Îäåñ³-2016”. Îäåñà, 2-8 ÷åðâíÿ 2016. Ñ. 51.

145.    Bilous A.M. Simultaneous reduction of a pair of matrices over some class of duo rings// X International Algebraic Conference in Ukraine dedicated to the 70th anniversary of Yu. A. Drozd. August 20 – 27, 2015. Odessa, Ukraine. Abstracts. P. 17.

146.    Ladzoryshyn N., Petrychkovych V. On solutions of the matrix linear equations AX+YB=C over quadratic rings // Book of abstracts of the X International Algebraic Conference in Ukraine dedicated to the 70th anniversary of Yu. A. Drozd, August 20 – 27, 2015, Odessa. – Abstract. – Odessa: TES, 2015. – P. 61.

147.    Ëàäçîðèøèí Í.Á. Ìàòðè÷í³ ë³í³éí³ îäíîñòîðîíí³ ð³âíÿííÿ íàä êâàäðàòè÷íèìè ê³ëüöÿìè // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2015”, 26–28 òðàâíÿ, 2015ð., Ëüâ³â. – [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/chyt2015/theses/Ladzoryshyn.pdf).

148.    Andriy Romaniv On the divisibility of the second-order matrices // 10th International Skorobohatko mathematical, August 25–28, 2015. Book of abstract – Drohobych, Ukraine. P. 135.

149.    Ðîìàí³â À. Ïðî íàéá³ëüøèé ñï³ëüíèé ë³âèé ä³ëüíèê ìàòðèöü äðóãîãî ïîðÿäêó // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ ϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2015, 2628 òðàâíÿ 2015ð., Ëüâ³â. [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/chyt2015/theses/Romaniv.pdf).

150.    B.Z. Shavarovskii. When polynomial matrices of second order semiscalarly are equivalent? // X International Algebraic Conference in Ukraine dedicated to the 70th anniversary of Yu. A. Drozd. August 20 – 27, 2015. Odessa, Ukraine. Abstracts. P. 100.

151.    Bogdan Shavarovskii/ On the canonical form a certain class of matrices of the second order with respect to the semiscalar equivalence  // International V. Skorobohatko Mathematical Conference (August 25 – 28, 2015, Drohobych, Ukraine). Abstracts.  Lviv –2015. P. 149.

152.    Shchedryk V.P. Decomposition of general linear group and ring’s stable range // X International Algebraic Conference in Ukraine dedicated to the 70th anniversary of Yu. A. Drozd. August 20 – 27, 2015. Odessa, Ukraine. Abstracts. P. 101.

153.    Volodymyr Prokip. Solutions of a linear matrix equation XA0 = A1 with prescribed characteristic polynomials // Oblicza Algebry. Ogól-nopolska Konferencja Naukowa, Kraków, Poland (May 29 – 30, 2015 r.) – Ñ.33.  http://algebra.up.krakow.pl  http://algebra.up.krakow.pl/abstr-all-strona3.pdf?w=no

154.    Prokip V.M. Solutions of the matrix equation XA0 = A1 over domains of principal ideals with prescribed characteristic polynomials // X Ìiæíàðîäíà àëãåáðà¿÷íà êîíôåðåíöiÿ â Óêðà¿íi ïðèñâÿ÷åíà 70-ði÷÷þ Þ. À. Äðîçäà. 20 – 27 ñåðïíÿ 2015 ð., Îäåñà, Óêðà¿íà. Òåçè äîïîâiäåé. C.91.

155.    Volodymyr Prokip. On common eigenvectors of two matrices over a principal ideal domain // ̳æíàð. ìàòåì. êîíô. ³ìÂ. ß. Ñêîðîáî-ãàòüêà, 25 – 28 ñåðïíÿ 2015 ð., Äðîãîáè÷, Óêðà¿íà. Òåçè äîïîâ. – Ñ. 129.

156.    Vasyl Fedorchuk, Volodymyr Fedorchuk, On classification of reduced equations for the eikonal equation, International workshop in honor of 70th birthday of Anatoly Nikitin "Symmetry and Integrability of Equations of Mathematical Physics" (December 27−28, 2015, Kyiv), Institute of Mathematics of NAS of Ukraine, http://www.imath.kiev.ua/~appmath/Abstracts2015/FedorchukVas.pdf

157.    V. Fedorchuk, V. Fedorchuk, On symmetry reduction and invariant solutions of some P(1,4)-invariant differential equations, Abstracts of the 14th Conference “Mathematics in Technical and Natural Sciences” (September 18-24, 2015, Kościelisko), Faculty of Applied Mathematics of AGH University of Science and Technology, Kraków, Poland.

158.    Vasyl Fedorchuk, O niektórych zastosowaniach skończenie wymiarowych algebr Lie’go lokalnych grup Lie’go przekształceń punktowych, abstracty Ogólnopolskej Konferencji Naukowej "Oblicza Algebry" (Maj 29-31, 2015, Kraków), Uniwersytet Pedagogiczny im. KEN w Krakowie, http://algebra.up.krakow.pl/abstr-all-strona3.pdf, S.12.

159.    Vasyl Fedorchuk, On classification of the non-conjugate subalgebras of the Lie algebra of the Poincare group P(1,4) and symmetry reduction of some differential equations, Book of abstracts of the International V.Skorobohatko Mathematical Conference (August 25-28, 2015, Drohobych, Ukraine), Pidstryhach Institut for Applied Problems of Mecanics and Matematics of NAS of Ukraine, p. 39.

160.    Í.Á.Ëàäçîðèøèí. Ö³ëî÷èñåëüí³ ðîçâ’ÿçêè ìàòðè÷íîãî ä³îôàíòîâîãî ð³âíÿííÿ íàä êâàäðàòè÷íèìè ê³ëüöÿìè // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ “ϳäñòðèãà÷³âñüê³ ÷èòàííÿ – 2014”, 28–30 òðàâíÿ, 2014 ð., Ëüâ³â. – [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/chyt2014/theses/Ladzoryshyn.pdf).

161.    Ladzoryshyn N.B. The integral solutions of bilateral linear matrix equations over quadratic rings // International Algebraic Conference dedicated to 100th anniversary of L.A. Kaluzhnin. Book of Abstracts. Jule 7–12, 2014. Kyiv.– P. 52.

162.    Petrychkovych V.M., Dzhaliuk N.S. Structure of solutions of the matrix Diofantine polynomial equations //  International Algebraic Conference dedicated to 100th anniversary of L.A. Kaluzhnin. Book of Abstracts. Jule 7–12, 2014. Kyiv. – P. 29.

163.    Romaniv A.M. On the least common right multiples of matrices over an adequate domain // International Algebraic Conference dedicated to  anniversary of L.A. Kaluzhnin in Ukraine, July 7–12, 2014. Book of abstract – Kyiv: Taras Shevchenko National University of Kyiv, 2014. – P. 72.

164.    Ðîìàí³â À.Ì. Ïðî íàéìåíøå ñï³ëüíå ïðàâå êðàòíå îñîáëèâèõ ìàòðèöü // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ "ϳäñòðèãà÷³âñüê³ ÷èòàííÿ -- 2014", 28 – 30 òðàâíÿ, 2014 ð., Ëüâ³â. – [Åëåêòðîííèé ðåñóðñ]. – Ðåæèì äîñòóïó: (http://www.iapmm.lviv.ua/chyt2014/theses/Romaniv.pdf).

165.    Á.Ç. Øàâàðîâñüêèé. Áëî÷íî-ä³àãîíàëüíà ïîä³áí³ñòü ÷èñëîâèõ ìàòðèöü ó çàäà÷³ ïðî íàï³âñêàëÿðíó åêâ³âàëåíòí³ñòü ïîë³íîì³àëüíèõ ìàòðèöü // Ï’ÿòíàäöÿòà ì³æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ³ì. àêàä. Ì. Êðàâ÷óêà, 15 – 17 òðàâíÿ, 2014 ð., Êè¿â: Ìàòåð³àëè êîíô. Ò. 2. Àëãåáðà. Ãåîìåòð³ÿ. Ìàòåìàòè÷íèé òà ÷èñåëüíèé àíàë³ç – Ê.: ÍÒÓÓ “Êϲ”, 2014. – 216 ñ. – Óêð., ðîñ., àíãë. Ñ. 205.

166.    B.Z. Shavarovskii. Quasi-diagonal similarity and semiscalar equivalence of matrices //  International Algebraic Conference dedicated to 100th anniversary of L.A. Kaluzhnin. Book of Abstracts. Jule 7–12, 2014. Kyiv. P. 76 – 77.

167.    Shchedryk V.  On Bezout rings of stable range 1,5 // Book of abstracts of the International Algebraic Conference dedicated to 100 anniversary of L.A. Kaluzhnin, July 712, 2014, Taras Shevchenko National University of Kyiv, Ukraine, P.77-78.

168.    Ïðîê³ï Â.Ì. Ïðî ðîçâ’ÿçí³ñòü ìàòðè÷íîãî ð³âíÿííÿ  íàä îáëàñòþ ãîëîâíèõ ³äåàë³â // Òåçè äîïîâ³äåé ì³æíàð. êîíô. “Ãåîìåòð³ÿ â Îäåñ³”. Îäåñà, 2014. Ñ.17.

169.    Prokip V. On common solutions of matrix equations over an elemen-tary divisor domain //  International Algebraic Conference dedicated to 100th anniversary of L.A. Kaluzhnin. Book of Abstracts. Jule 7–12, 2014. Kyiv. P. 69.

170.    Fedorchuk V.M., Fedorchuk V.I., On Invariant Operators of Nonconjugate Subalgebras of the Lie Algebra of the Poincare Group P(1,4), Book of abstracts of the International Algebraic Conference dedicated to 100th anniversary of L.A.Kaluzhnin (July 7-12, 2014, Kyiv, Ukraine), Taras Shevchenko National University of Kyiv, p. 29.

171.    Vasyl Fedorchuk, Volodymyr Fedorchuk, On Symmetry Reduction of Some P(1,4)-invariant Differential Equations, Abstracts of The XVIth International Conference is Dedicated to 70th Anniversary of Professor Jan J. Sławianowski (June 6-11, 2014, Varna, Bulgaria), Institute of Biophysics, Bulgarian Academy of Sciences, http://www.bio21.bas.bg/conference/Conference_files/abstr2014/Fedorchuk.pdf

172.    Äæàëþê Í. Ôàêòîðèçàö³¿ â ê³ëüöÿõ êë³òêîâî-ä³àãîíàëüíèõ ìàòðèöü / Íàòàë³ÿ Äæàëþê, Âàñèëü Ïåòðè÷êîâè÷ // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè ³ ìàòåìàòèêè:  3-õ ò. / ï³ä çàãàëüíîþ ðåäàêö³ºþ Ð.Ì. Êóøí³ðà, Á.É. Ïòàøíèêà. – Ëüâ³â: ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ.ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè, 2013. – Ò.3. – Ñ. 181-183.

173.    Dzhaliuk N. Semiscalar equivalence of polynomial matrices and solutions of the matrix linear polynomial equations / N. Dzhaliuk, V. Petrychkovych // 9-th International algebraic conference in Ukraine, L'viv, July 8-13, 2013: Book of abstracts. – L'viv, 2013. – P. 57.

174.    Ëàäçîðèøèí. Í. Ìàòðè÷í³ ë³í³éí³ ð³çíîñòîðîíí³ ð³âíÿííÿ íàä êâàäðàòè÷íèìè ê³ëüöÿìè // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè ³ ìàòåìàòèêè:  3-õ ò. / ï³ä çàãàëüíîþ ðåäàêö³ºþ Ð.Ì. Êóøí³ðà, Á.É. Ïòàøíèêà. – Ëüâ³â: ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ.ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè, 2013. – Ò.3. – Ñ. 187-189.

175.    Ladzoryshyn N., Petrychkovych V. Equivalence of pairs of matrices with relatively prime determinants over quadratic principal ideal rings // 9-th International algebraic conference in Ukraine, L'viv, July 8-13, 2013: Book of abstracts. – L'viv, 2013. – P. 109.

176.    À.Ì. Romaniv Greatest common left divisor of matrices one of which is disappear // Abstract of 9-th International Algebraic Conference in Ukraine, Jule 512, 2013. / Abstract of talks – Lviv: Lviv Taras Shevchenko National University Ukraine 2013. – p.156.

177.    Àíäð³é Ðîìàí³â, Âîëîäèìèð Ùåäðèê Ïðî ñòàá³ëüíèé ðàíã äåÿêîãî êëàñó ìàòðèöü // ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ “Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè” 21– 25 òðàâíÿ,  2013 ð., Ëüâ³â. / Òåçè äîïîâ³äåé. – Ëüâ³â: ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè, 2013. – Ñ. 201–202.

178.    Áîãäàí Øàâàðîâñüêèé. Êâàç³ä³àãîíàëüíà ïîä³áí³ñòü ìàòðèöü // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè.  3-õ ò. / ϳä çàã ðåäàêö³ºþ Ð.Ì. Êóøí³ðà, Á.É. Ïòàøíèêà. – Ëüâ³â: ²ÏÏÌÌ ÍÀÍ Óêðà¿íè, 2013. – Ò.3. – 220 ñ. – Ñ. 204–206.

179.    B.Z. Shavarovskii. Reduction of polynomial matrices by semiscalar equivalent transformation // 9th International Algebraic Conference in Ukraine. July 8–13, 2013, L’viv, Ukraine. Book of abstracts. P. 172.

180.    Ïðîê³ï Â.Ì. Íîðìàëüíà ôîðìà â³äíîñíî íàï³âñêàëÿðíî¿ åêâ³âàëåíòíîñò³ ìíîãî÷ëåííèõ ìàòðèöü íàä ïîëåì // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè, ò. 3, Ëüâ³â: ²íñòèòóò ÏÏÌÌ iì. ß.Ñ. Ïiäñòðèãà÷à ÍÀÍ Óêðà¿íè, 2013, Ñ. 197–199.

181.    Ïðîê³ï Â.Ì. Ïðî ðîçâ’ÿçí³ñòü ë³í³éíèõ ìàòðè÷íèõ ð³âíÿíü íàä îáëàñòþ ãîëîâíèõ ³äåàë³â // Òåçè äîïîâ³äåé “Ãåîìåòð³ÿ â Îäåñ³”. Îäåñà, 2013. Ñ. 25.

182.    Prokip V. Normal form with respect to similarity of involutory mat-rices over a principal ideal domain // 9th International Algebraic Con-ference in Ukraine. Abstracts. Jule 8–13, 2013. Lviv. P. 149.

183.    Vasyl M. Fedorchuk, Volodymyr I. Fedorchuk, On symmetry reduction of some differential equations and classification of low-dimensional nonconjugate subalgebras of the Lie algebra of the Poincare group P(1,4), International workshop in honor of Wilhelm Fushchych "Symmetry and Integrability of Equations of Mathematical Physics" (December 22−23, 2013, Kyiv), Institute of Mathematics of NAS of Ukraine, http://www.imath.kiev.ua/~appmath/AbstractsWIF/FedorchukVas2013.pdf

184.    Ôåäîð÷óê Â.Ì., Ôåäîð÷óê Â.²., Ñèìåòð³éíà ðåäóêö³ÿ äåÿêèõ êëàñ³â äèôåðåíö³àëüíèõ ð³âíÿíü òà êëàñèô³êàö³ÿ íèçüêîðîçì³ðíèõ íåñïðÿæåíèõ ï³äàëãåáð àëãåáðè ˳ ãðóïè Ïóàíêàðå P(1,4). V Âñåóêðà¿íñüêà íàóêîâà êîíôåðåíöiÿ "Íåëiíiéíi ïðîáëåìè àíàëiçó" (19-21 âåðåñíÿ 2013 ðîêó, Iâàíî-Ôðàíêiâñüê). Òåçè äîïîâiäåé. Iâàíî-Ôðàíêiâñüê, Ïðèêàðïàòñüêèé íàö³îíàëüíèé óíiâåðñèòåò iì. Âàñèëÿ Ñòåôàíèêà, 2013, 74.

185.    Fedorchuk V.M., Fedorchuk V.I., Classification of low-dimensional non-conjugate subalgebras of the Lie algebra of the Poincare group P(1,4), 9-th International Algebraic Conference in Ukraine (July 8-13, 2013, L'viv, Ukraine),  Book of abstracts, L'viv, Ivan Franko National University of L'viv, p. 58.

186.    Âàñèëü Ôåäîð÷óê, Âîëîäèìèð Ôåäîð÷óê, Ïðî ñèìåòð³éíó ðåäóêö³þ äåÿêèõ äèôåðåíö³àëüíèõ ð³âíÿíü â ïðîñòîð³ M(1,3)×R(U), ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ "Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè" (21-25 òðàâíÿ 2013, Ëüâ³â, Óêðà¿íà), Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè:  3-õ ò. / ϳä çàã. ðåä. Ð.Ì. Êóøí³ðà, Á.É. Ïòàøíèêà. - Ëüâ³â: ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à ÍÀÍ Óêðà¿íè, 2013. - Ò.3. - Ñ. 171-173.

187.    Äæàëþê Í.Ñ., Ïåòðè÷êîâè÷ Â.Ì. Îäíîçíà÷í³ñòü êë³òêîâî-ä³àãîíàëüíî ïàðàëåëüíèõ ôàêòîðèçàö³é ìàòðèöü // Äåñÿòà â³äêðèòà íàóêîâà êîíôåðåíö³ÿ ²ÌÔÍ: Çá³ðíèê ìàòåð³àë³â òà ïðîãðàìà êîíôåðåíö³¿ [«PSC-IMFS-10»], (Ëüâ³â, 17–18 òðàâíÿ 2012 ð.) / Íàö³îíàëüíèé óí³âåðñèòåò «Ëüâ³âñüêà ïîë³òåõí³êà». — Ëüâ³â: Âèäàâíèöòâî Ëüâ³âñüêî¿ ïîë³òåõí³êè, 2012. — C. A32 – [Åëåêòðîííèé ðåñóðñ]. Ðåæèì äîñòóïó: http://psc-imfs.conference.lviv.ua/messages/psc-imfs-10-proceedings_175x250.pdf

188.    Äæàëþê Í.Ñ. Êë³òêîâî-ä³àãîíàëüíî ïàðàëåëüí³ ôàêòîðèçàö³é ìàòðèöü íàä îáëàñòÿìè ãîëîâíèõ ³äåàë³â // Ìàòåð³àëè êîíôåðåíö³¿ ìîëîäèõ ó÷åíèõ «Ï³äñòðèãà÷³âñüê³ ÷èòàííÿ – 2012» (23-25 òðàâíÿ 2012 ð., Ëüâ³â) – Ñ. 32-35. – [Åëåêòðîííèé ðåñóðñ]. Ðåæèì äîñòóïó: http://www.iapmm.lviv.ua/chyt2012/materials/12.pdf

189.    Dzhaliuk N., Petrychkovych V. On the minimal degree solutions of the Sylvester matrix polynomial equations // International mathematical conference: abstracts of talks. – Mykolayiv: Published by Mykolayiv V.O. Suchomlinsky National University, 2012. – P. 138.

190.    Vasyl` Petrychkovych, Nataliia Dzhaliuk The matrix Diophantine polynomial equations // International Conference on Algebra dedicated to 100th anniversary of S.M. Chernikov, August 20-26, 2012, Dragomanov National Pedagogical University, Kiev, Ukraine: Book of abstracts. – Kiev: Institute of Mathematics of UNAS, 2012. – P. 116.

191.    Äæàëþê Í., Ïåòðè÷êîâè÷ Â. Ôàêòîðèçàö³¿ êë³òêîâî-òðèêóòíèõ ìàòðèöü òà ¿õ ÷èñëî // International Conference dedicated to the 120th anniversary of Stefan Banach, Lviv, Ukraine, 17–21 September 2012. Abstracts of Reports. – P. 268.

192.    Äæàëþê Í.Ñ., Ïåòðè÷êîâè÷ Â.Ì. Êë³òêîâî-òðèêóòí³ ìàòðèö³ ç àáñîëþòíîþ âèä³ëþâàí³ñòþ ìíîæíèê³â // ×îòèðíàäöÿòà ì³æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì. Êðàâ÷óêà, 19-21 êâ³òíÿ, 2012 ð., Êè¿â: Ìàòåð³àëè êîíô. Ò. 2. Àëãåáðà. Ãåîìåòð³ÿ. Ìàòåìàòè÷íèé òà ÷èñåëüíèé àíàë³ç. – Êè¿â: ÍÒÓÓ Êϲ, 2012. – Ñ. 87.

193.    Øàâàðîâñüêèé Á.Ç. Ïðî ïîä³áí³ñòü ïàð ìàòðèöü, îäíà ç ÿêèõ ìຠïîïàð­íî âçàºìíî ïðîñò³ åëåìåíòàðí³ ä³ëüíèêè ñòåïåíÿ íå âèùå äâà // ×îòèð­íàäöÿòà ì³æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì. Êðàâ÷óêà, 19-21 êâ³òíÿ, 2012 ð., Êè¿â: Ìàòåð³àëè êîíô. Ò. 2. Àëãåáðà. Ãåîìåòð³ÿ. Ìàòåìàòè÷íèé òà ÷èñåëüíèé àíàë³ç. – Êè¿â: ÍÒÓÓ ”Êϲ”, 2012. – Ñ. 263–265.

194.    Ïðîê³ï Â.Ì. Ïðî ñòðóêòóðó ÍÑÄ ìàòðèöü íàä îáëàñòþ ãîëîâíèõ ³äåàë³â. // International mathematical conference: abstracts of talks. – Mykolayiv: Published by Mykolayiv V.O. Suchomlinsky National University, 2012. – P. 145–146.

195.    B. Shavarovskii. On similarity of pairs of matrices, in which one matrix has only one elementary divisor // International mathematical conference: abstracts of talks. – Mykolayiv: Published by Mykolayiv V.O. Suchomlinsky National University, 2012. – P. 134.

196.    Romaniv A., Shchedryk V. On Smith normal form of greatest common left divisor and least common right multiple of matrices // International mathematical conference: abstracts of talks. – Mykolayiv: Published by Mykolayiv V.O. Suchomlinsky National University, 2012. – P. 116–117.

197.    Bogdan Shavarovskii. On similarity of pairs of matrices, in which one matrix is nonderogatory // International Conference on Algebra dedicated to 100th anniversary of S.M. Chernikov, August 20-26, 2012, Dragomanov National Pedagogical University, Kiev, Ukraine: Book of abstracts. – Kiev: Institute of Mathematics of UNAS, 2012. – P. 138.

198.    Volodymyr Prokip. Normal form with respect to similarity of a matrix with minimal polynomial  m(λ)=(λ–α)(λ–β),(α≠β) // International Conference on Algebra dedicated to 100th anniversary of S.M. Chernikov, August 20-26, 2012, Dragomanov National Pedagogical University, Kiev, Ukraine: Book of abstracts. – Kiev: Institute of Mathematics of UNAS, 2012. – P. 121.

199.    Ïðîê³ï Â.Ì. Ïðî ðîçâ’ÿçí³ñòü ë³í³éíèõ ìàòðè÷íèõ ð³âíÿíü ³ç çàäàíèì õàðàêòåðèñòè÷íèì ìíîãî÷ëåíîì // Äåñÿòà â³äêðèòà íàóêîâà êîíôåðåíö³ÿ ²ÌÔÍ: Çá³ðíèê ìàòåð³àë³â òà ïðîãðàìà êîíôåðåíö³¿ [«PSC-IMFS-10»], (Ëüâ³â, 17–18 òðàâíÿ 2012 ð.) / Íàö³îíàëüíèé óí³âåðñèòåò «Ëüâ³âñüêà ïîë³òåõí³êà». — Ëüâ³â: Âèäàâíèöòâî Ëüâ³âñüêî¿ ïîë³òåõí³êè, 2012. — C. A45 – [Åëåêòðîííèé ðåñóðñ]. Ðåæèì äîñòóïó: http://psc-imfs.conference.lviv.ua/messages/psc-imfs-10-proceedings_175x250.pdf

200.    Prokip V.M. Note on the Hermite normal form // International Conference dedicated to the 120th anniversary of Stefan Banach, Lviv, Ukraine, 17–21 September 2012. Abstracts of Reports. – P. 262.

201.    Bogdan Shavarovskii On the canonical form for a certain class of matrices with respect to similarity // International Conference dedicated to the 120th anniversary of Stefan Banach, Lviv, Ukraine, 17–21 September 2012. Abstracts of Reports. – P. 264.

202.    Romaniv A., Shchedryk V. On Smith normal form of greatest common left divisor and least common right multiple of matrices // International mathematical conference: abstracts of talks. – Mykolayiv: Published by Mykolayiv V.O. Suchomlinsky National University, 2012. – P. 116–117.

203.    Ðîìàí³â À.Ì. Ïðî ôîðìó Ñì³òà íàéá³ëüøîãî ñï³ëüíîãî ë³âîãî ä³ëüíèêà ìàòðèöü // Ìàòåð³àëè êîíôåðåíö³¿ ìîëîäèõ ó÷åíèõ «Ï³äñòðèãà÷³âñüê³ ÷èòàííÿ – 2012» (23-25 òðàâíÿ 2012 ð., Ëüâ³â) – Ñ. 32-35. – [Åëåêòðîííèé ðåñóðñ]. Ðåæèì äîñòóïó: http://www.iapmm.lviv.ua/chyt2012/materials/12.pdf

204.    Volodymyr Shchedryk On factorizability and associativity of matrices // International Conference on Algebra dedicated to 100th anniversary of S.M. Chernikov, August 20-26, 2012, Dragomanov National Pedagogical University, Kiev, Ukraine: Book of abstracts. – Kiev: Institute of Mathematics of UNAS, 2012. – P. 139.

205.    Fedorchuk V.M, Fedorchuk V.I., Classification of non-singular manifolds in the space M(1,4)×R(u) invariant under one- and two- dimensional non-conjugate subalgebras of the Lie algebra of the Poincare group P(1,4), Íàóêîâèé â³ñíèê Óæãîðîäñüêîãî óí³âåðñèòåòó. Ñåð³ÿ Ô³çèêà. Âèïóñê 32. – 2012. – Ñ. 112–120.

206.    Fedorchuk V.M, Fedorchuk V.I., Classification of non-singular manifolds in the space M(1,4)×R(u) invariant under one- and two-dimensional non-conjugate subalgebras of the Lie algebra of the Poincaré group P(1,4) // 8th Bolyai-Gauss-Lobachevsky Conference "Non-Euclidean Geometry in Modern Physics and Mathematics" (Uzhgorod, Ukraine, 22-25 May 2012). Programme and Abstracts. Uzhgorod, 2012, IEP of the NAS of Ukraine, p. 43.

207.    Vasyl Fedorchuk, Volodymyr Fedorchuk, Non-equivalent functional bases of invariants for non-conjugate subgroups of the Poincaré group P(1,4) in the space M(1,4)×R(u) // International mathematical conference: abstracts of talks. – Mykolayiv: Published by Mykolayiv V.O. Suchomlinsky National University, 2012. – P. 3.

208.    Vasyl Fedorchuk, Volodymyr Fedorchuk, Invariant operators of five-dimensional non-conjugate subalgebras of the Lie algebra of the Poincaré group P(1,4) // International Conference on Algebra dedicated to 100th anniversary of S.M. Chernikov, August 20-26, 2012, Dragomanov National Pedagogical University, Kiev, Ukraine: Book of abstracts. – Kiev: Institute of Mathematics of UNAS, 2012. – P. 48.

209.    Vasyl Fedorchuk, Volodymyr Fedorchuk, Classification of functional bases of invariants in the space M(1,3)×R(u) for one- and two- parametrical non-conjugate subgroups of the Poincaré group P(1,4) // International Conference dedicated to the 120th anniversary of Stefan Banach, Lviv, Ukraine, 17–21 September 2012. Abstracts of Reports. – P. 189.

210.    Gutik O. and Pavlyk K. On semigroups generated by partial translations of a positive cone of a linearly ordered group // ²V Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ìåí³ àêàäåì³êà ß.Ñ.ϳäñòðèãà÷à, 24-27 òðàâíÿ 2011ð., Ëüâ³â. / Òåçè äîïîâ³äåé. – Ëüâ³â: ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß. Ñ. Ï³äñòðèãà÷à ÍÀÍ Óêðà¿íè, 2011. – Ñ. 261–262.

211.    Äæàëþê Í.Ñ. Àñîö³éîâí³ñòü ôàêòîðèçàö³é êë³òêîâî-òðèêóòíèõ ìàòðèöü // ²V Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ìåí³ àêàäåì³êà ß.Ñ.ϳäñòðèãà÷à, 24-27 òðàâíÿ 2011ð., Ëüâ³â. / Òåçè äîïîâ³äåé. – Ëüâ³â: ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß. Ñ. Ï³äñòðèãà÷à ÍÀÍ Óêðà¿íè, 2011. – Ñ. 241-242.

212.    Petrychkovych V. M., Dzhaliuk N. S. Factorizations in rings of block triangular matrices // 8-ìà ̳æíàðîäíà àëãåáðà¿÷íà êîíôåðåíö³ÿ â Óêðà¿í³: çá³ðíèê òåç. – Ëóãàíñüê: Âèäàâíèöòâî Ëóãàíñüêîãî íàö³îíàëüíîãî óí³âåðñèòåòó ³ìåí³ Òàðàñà Øåâ÷åíêà, 2011. – Ñ. 159.

213.    Ïåòðè÷êîâè÷ Â. Ì., Äæàëþê Í.Ñ. Ìàòðè÷í³ ä³îôàíòîâ³ ð³âíÿííÿ // ̳æíàð. ìàòåì. êîíô. ³ì. Â. ß. Ñêîðîáîãàòüêà, 19-23 âåðåñíÿ 2011 ð.: òåçè äîïîâ. – Ëüâ³â, 2011. – Ñ. 161.

214.    Ïåòðè÷êîâè÷ Â. Ì., Äæàëþê Í.Ñ. Îäíîçíà÷í³ñòü ðîçâ’ÿçê³â ìàòðè÷íèõ ë³í³éíèõ îäíîá³÷íèõ ïîë³íîì³àëüíèõ ð³âíÿíü â³ä äâîõ çì³ííèõ // Âñåóêðà¿íñüêà íàóêîâà êîíôåðåíö³ÿ “Çàñòîñóâàííÿ ìàòåìàòè÷íèõ ìåòîä³â â íàóö³ ³ òåõí³ö³”, 25 – 26 ëèñòîïàäà 2011 ð.: Çá³ðíèê òåç äîïîâ. – Ëóöüê, 2011. – Ñ. 70–72.

215.    Prokip V.M. About the normal form of linear matrix pencils // III  International Conference on matrix methods and operator equations. Moscow, June 22–25, 2011. Abstracts. Moscow, 2011. P. 39.

216.    Ïðîê³ï Â.Ì. Ïðî ì³í³ìàëüíèé ìíîãî÷ëåí ìàòðèöü íàä îáëàñòþ ãîëîâíèõ ³äåàë³â // Òåçè äîïîâ³äåé “Ãåîìåòð³ÿ â Îäåñ³”. Îäåñà, 2011. Ñ. 38.

217.    Ïðîê³ï Â.Ì. Ïðî òðèàíãóëÿðèçàö³þ ìàòðèöü íàä îáëàñòþ ãîëîâíèõ ³äåàë³â // 8-ìà ̳æíàðîäíà àëãåáðà¿÷íà êîíôåðåíö³ÿ â Óêðà¿í³: çá³ðíèê òåç. – Ëóãàíñüê: Âèäàâíèöòâî Ëóãàíñüêîãî íàö³îíàëüíîãî óí³âåðñèòåòó ³ìåí³ Òàðàñà Øåâ÷åíêà, 2011. – Ñ. 177.

218.    Ðîìàí³â À.Ì. Óí³òàëüí³ ä³ëüíèêè ìíîãî÷ëåííèõ ìàòðèöü íàä íåñê³í÷åííèì ïîëåì // ²V Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ìåí³ àêàäåì³êà ß.Ñ.ϳäñòðèãà÷à, 24-27 òðàâíÿ 2011ð., Ëüâ³â. / Òåçè äîïîâ³äåé. – Ëüâ³â: ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß. Ñ. Ï³äñòðèãà÷à ÍÀÍ Óêðà¿íè, 2011. – Ñ. 264.

219.    Romaniv À. On monic divisors of polynomial matrices // 8-ìà ̳æíàðîäíà àëãåáðà¿÷íà êîíôåðåíö³ÿ â Óêðà¿í³: çá³ðíèê òåç. – Ëóãàíñüê: Âèäàâíèöòâî Ëóãàíñüêîãî íàö³îíàëüíîãî óí³âåðñèòåòó ³ìåí³ Òàðàñà Øåâ÷åíêà, 2011. – Ñ. 178.

220.    Ðîìàí³â À. Ïðî óí³òàëüí³ ä³ëüíèêè îñîáëèâèõ ìíîãî÷ëåííèõ ìàòðèöü // ̳æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. Â. ß. Ñêîðîáîãàòüêà. Äðîãîáè÷, Óêðà¿íà, 19–23 âåðåñíÿ 2011. Òåçè äîïîâ³äåé. – Ëüâ³â, 2011. – Ñ. 176.

221.    Fedorchuk Vasyl M., Fedorchuk Volodymyr I. Classification of the five-dimensional non-conjugate subalgebras of the Lie algebra of the Poincaré group P(1,4) // 8-ìà ̳æíàðîäíà àëãåáðà¿÷íà êîíôåðåíö³ÿ â Óêðà¿í³: çá³ðíèê òåç. – Ëóãàíñüê: Âèäàâíèöòâî Ëóãàíñüêîãî íàö³îíàëüíîãî óí³âåðñèòåòó ³ìåí³ Òàðàñà Øåâ÷åíêà, 2011. – Ñ. 160.

222.    Ôåäîð÷óê Âàñèëü Ïðî ñèìåòð³éíó ðåäóêö³þ äåÿêèõ êëàñ³â äèôåðåíö³àëüíèõ ð³âíÿíü ç íåòðèâ³àëüíîþ ñèìåòð³ºþ // ̳æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. Â. ß. Ñêîðîáîãàòüêà. Äðîãîáè÷, Óêðà¿íà, 19–23 âåðåñíÿ 2011. Òåçè äîïîâ³äåé. – Ëüâ³â, 2011. – Ñ. 205.

223.    Ôåäîð÷óê Â.². Ïðî ñèìåòð³éíó ðåäóêö³þ äåÿêèõ êëàñ³â äèôåðåíö³àëüíèõ ð³âíÿíü ïåðøîãî ïîðÿäêó ç íåòðèâ³àëüíèìè ãðóïàìè ñèìåò𳿠// ²V Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ìåí³ àêàäåì³êà ß.Ñ.ϳäñòðèãà÷à, 24-27 òðàâíÿ 2011ð., Ëüâ³â. / Òåçè äîïîâ³äåé. – Ëüâ³â: ²íñòèòóò ïðèêëàäíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß. Ñ. Ï³äñòðèãà÷à ÍÀÍ Óêðà¿íè, 2011. – Ñ. 285.

224.    Ôåäîð÷óê Âîëîäèìèð Ïðî ñèìåòð³éíó ðåäóêö³þ äåÿêèõ êëàñ³â äèôåðåíö³àëüíèõ ð³âíÿíü ïåðøîãî ïîðÿäêó ç íåòðèâ³àëüíîþ ñèìåòð³ºþ // ̳æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. Â. ß. Ñêîðîáîãàòüêà. Äðîãîáè÷, Óêðà¿íà, 19–23 âåðåñíÿ 2011. Òåçè äîïîâ³äåé. – Ëüâ³â, 2011. – Ñ. 206.

225.    Shavarovskii B. Canonical forms for matrices under semiscalar equivalence // 8-ìà ̳æíàðîäíà àëãåáðà¿÷íà êîíôåðåíö³ÿ â Óêðà¿í³: çá³ðíèê òåç.  – Ëóãàíñüê: Âèäàâíèöòâî Ëóãàíñüêîãî íàö³îíàëüíîãî óí³âåðñèòåòó ³ìåí³ Òàðàñà Øåâ÷åíêà, 2011. – Ñ. 181.

226.    Øàâàðîâñüêèé Á. Åêâ³âàëåíòí³ñòü ïîë³íîì³àëüíèõ ìàòðèöü // ̳æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. Â. ß. Ñêîðîáîãàòüêà. Äðîãîáè÷, Óêðà¿íà, 19–23 âåðåñíÿ 2011. Òåçè äîïîâ³äåé. – Ëüâ³â, 2011. – Ñ. 224.

227.    Shchedryk V. On elementary divisor rings and properties of its elements // 8-ìà ̳æíàðîäíà àëãåáðà¿÷íà êîíôåðåíö³ÿ â Óêðà¿í³: çá³ðíèê òåç. – Ëóãàíñüê: Âèäàâíèöòâî Ëóãàíñüêîãî íàö³îíàëüíîãî óí³âåðñèòåòó ³ìåí³ Òàðàñà Øåâ÷åíêà, 2011. – Ñ. 222.

228.    Ùåäðèê Â. Ïðîñò³øèé âèãëÿä ìàòðèöü ñòîñîâíî îäíîñòîðîíí³õ ïåðåòâîðåíü // ̳æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. Â. ß. Ñêîðîáî­ãàòüêà. Äðîãîáè÷, Óêðà¿íà, 19–23 âåðåñíÿ 2011. Òåçè äîïîâ³äåé. – Ëüâ³â, 2011. – Ñ. 233.

229.    Shchedryk V. Matrices divisors generated by transformable matrices // Int. Alg. Conf. dedicated to A.V. Yakovlev. 2010. – S. Peterburg. – Jun 19–24, 2010. Abstracts. S. Peterburg. – P.153–154.

230.    Øàâàðîâñüêèé Á.Ç. Îêðåì³ êëàñè ìàòðèöü ³ äîñë³äæåííÿ ¿õ åêâ³âàëåíòíîñò³ // Òðèíàäöÿòà ì³æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì. Êðàâ÷óêà, 13 – 15 òðàâíÿ, 2010 ð. – Êè¿â: Ìàòåð³àëè êîíôåðåíö³¿. Ò.2.– Ê. ÍÓÒÓ, 320 ñ. – 2010. - ñ. 285.

231.    Kateryna Pavlyk and Oleg Gutik, On some semigroup constructions // AAA80 workshop on general algebra in connection with the Workshop on non-classical algebraic structures, 1-6 June 2010, Bedlewo, Poland. - Online.

232.    Ãóò³ê Î. Â., Ïàâëèê Ê. Ï. Ïðî ïñåâäîêîìïàêòí³ òîïîëîã³÷í³ ³íâåðñí³ íàï³âãðóïè Áðàíäòà, Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ «Ï³äñòðèãà÷³âñüê³ ÷èòàííÿ 2010», 25-26 òðàâíÿ 2010, Ëüâ³â. – Online.

233.    Ðîìàí³â À.Ì. Ïðî óí³òàëüí³ ä³ëüíèêè ç êàíîí³÷íîþ ä³àãîíàëüíîþ ôîðìîþ ìíîãî÷ëåííèõ ìàòðèöü // Òðèíàäöÿòà ì³æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì. Êðàâ÷óêà, 13 – 15 òðàâíÿ, 2010 ð., Êè¿â: Ìàòåð³àëè êîíôåðåíö³¿. Ò.2.- Ê. ÍÓÒÓ, 320 ñ. - 2010. – ñ. 237.

234.    Ðîìàí³â À.Ì. Ïðî óí³òàëüí³ ä³ëüíèêè ç êàíîí³÷íîþ ä³àãîíàëüíîþ ôîðìîþ ìíîãî÷ëåííèõ ìàòðèöü // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ «Ï³äñòðèãà÷³âñüê³ ÷èòàííÿ – 2010», 25-26 òðàâíÿ 2010, Ëüâ³â. – Online.

235.    Ëàäçîðèøèí Í.Á. Ïðî åêâ³âàëåíòí³ñòü äåÿêèõ ïàð ìàòðèöü íàä êâàäðàòè÷íèìè åâêë³äîâèìè ê³ëüöÿìè // Òðèíàäöÿòà ì³æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì. Êðàâ÷óêà, 13 – 15 òðàâíÿ, 2010 ð., Êè¿â: Ìàòåð³àëè êîíôåðåíö³¿. Ò.2.- Ê. ÍÒÓÓ, 320 ñ. - 2010. – ñ. 166

236.    Ïðîê³ï Â.Ì. Ïðî àíàëîã òåîðåìè Ñàíîâà // Òðèíàäöÿòà ì³æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì. Êðàâ÷óêà, 13 – 15 òðàâíÿ, 2010 ð. - Êè¿â: Ìàòåð³àëè êîíôåðåíö³¿. Ò.2.- Ê. ÍÓÒÓ, 320 ñ. - 2010. - ñ. 228.

237.    Øàâàðîâñêèé Á.Ç. Ñèñòåìà èíâàðèàíòîâ îòíîñèòåëüíî ïîëóñêàëÿðíîé ýêâèâàëåíòíîñòè ïîëèíîìèàëüíûõ ìàòðèö ïðîñòîé ñòðóêòóðû // Ìåæäóíàðîäíàÿ àëãåáðàè÷åñêàÿ êîíôåðåíöèÿ, ïîñâÿùåííàÿ 70-ëåòèþ À.Â. ßêîâëåâà. Ñàíêò Ïåòåðáóðã, 19 – 24 èþíÿ 2010. - Òåçèñû ñîîáùåíèé. Ñàíêò Ïåòåðáóðã. - 2010. - Ñ. 71–73.

238.    B. Shavarovskii On the invariants of polynomial matrices with respect to semiscalar equivalence // 7 International Algebraic Conference in Ukraine: abstracts of talks ( 18 – 23 August, 2009, Kharkov) – Kiev, 2009. – 168 p. P. 127–128.

239.    Bogdan Shavarovskii Solving a System of Linear Two-Sided Matrix Equations // Óêðà¿íñüêèé ìàòåìàòè÷íèé êîíãðåñ. – Êè¿â, 2009.

240.    Shchedryk V. On matrices reduction by one-side transformations // 7 International Algebraic Conference in Ukraine: abstracts of talks (18 – 23 August, 2009, Kharkov) – Kiev, 2009, 168 p. - P. 128–129.

241.    Shchedryk V. On invariant factors of block-triangular matrix and its diagonal blocks // Óêðà¿íñüêèé ìàòåìàòè÷íèé êîíãðåñ. – Êè¿â, 2009.

242.    Prokip V. M. On semiskalar equivalence of polynomial matrices over a field // Abstract of 7-th International Algebraic Conference in Ukraine, 2009. - Abstract of talks, Kharkiv, 2009. – p.111–112.

243.    Ïðîê³ï Â.Ì. Ïðî ñï³ëüí³ ä³ëüíèêè ìíîãî÷ëåííèõ ìàòðèöü // Óêðà¿íñüêèé ìàòåìàòè÷íèé êîíãðåñ. - Êè¿â, 2009.

244.    Prokip V.M. Semiscalar equivalence of polynomial matrices over a field // Òåçèñû äîêëàäîâ Ìåæäóíàð. êîíô. «Ãåîìåòðèÿ â Àñòðàõàíè –2009», Àñòðàõàíü, 2009. – Ñ. 40.

245.    Ðîìàí³â À.Ì. Ïðî äåÿê³ âëàñòèâîñò³ âèçíà÷àëüíî¿ ìàòðèö³ // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ìåí³ ß.Ñ. ϳäñòðèãà÷à , Ëüâ³â, 25-27 òðàâíÿ 2009ð. - Ñ. 184-185.

246.    Petrychkovych V.M. Matrix polynomial equations and its solutions // 7 International Algebraic Conference in Ukraine: abstracts of talks (18 – 23 August, 2009, Kharkov).– Kiev, 2009. – 168 p. - P. 108-109.

247.    Petrychkovych V.M., Zabavsky B.V. On the stable range of rings of matrices // 7 International Algebraic Conference in Ukraine: abstracts of talks (18 – 23 August, 2009, Kharkov).– Kiev, 2009. – 168 p. - P. 109-110.

248.    Ïåòðè÷êîâè÷ Â.Ì. Ìàòðè÷í³ ìíîãî÷ëåíè, ¿õ ä³ëüíèêè òà ñòðóêòóðà // Óêðà¿íñüêèé ìàòåìàòè÷íèé êîíãðåñ. – Êè¿â, 2009.

249.    Dzhalyuk N.S. Equivalence and factorization of partitioned matrices // 7 International Algebraic Conference in Ukraine: abstracts of talks (18 – 23 August, 2009, Kharkov).– Kiev, 2009. – 168 p. - P. 49-50.

250.    Äæàëþê Í.Ñ. ijëüíèêè ìíîãî÷ëåííèõ ìàòðèöü ç óìîâîþ ïàðàëåëüíîñò³ ðîçêëàä³â // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ìåí³ àêàäåì³êà ß.Ñ. ϳäñòðèãà÷à , Ëüâ³â, 25-27 òðàâíÿ 2009ð. / Òåçè äîïîâ³äåé. – Ëüâ³â, 2009. – Ñ. 168-170.

251.    Ëàäçîðèøèí Í.Á. Ïðî åêâ³âàëåíòí³ñòü ïàð ìàòðèöü íàä êâàäðàòè÷íèìè åâêë³äîâèìè ê³ëüöÿìè // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ìåí³ ß.Ñ. ϳäñòðèãà÷à , Ëüâ³â, 25-27 òðàâíÿ 2009ð. - Ñ. 176-177.

252.    Vasyl Fedorchuk, Volodymyr Fedorchuk, O konstruowaniu klas rownan rozniczkowych z nietrywialnymi grupami symetrii // III forum matematykow polskich (30.06–02.07 2009, Krakow, Polska), Book of abstracts. - P. 12.

253.    V.M. Fedorchuk, V.I. Fedorchuk, On some classes of the partial differential equations with non-trivial symmetry groups // XVI International Congress on Mathematical Physics, Prague, August 3-8, 2009, Book of abstracts. - P. 49-50.

254.    Gutik O., Pavlyk K. Brandt extensions and primitive topological inverse semigroups // Êîíôåðåíö³ÿ ìîëîäèõ ó÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. ß.Ñ. ϳäñòðèãà÷à, 25–27 òðàâíÿ 2009 ð. - Ñ. 191-193.

255.    O. Gutik, and K. Pavlyk On countably compact Brandt λ^0-extensions of topological semigroups, International Conference Infinite Dimensional Analysis And Topology, May 27-June 1, 2009, Ivano-Frankivsk. Abstracts of Reports. Ivano-Frankivsk, 2009. - P. 55-58.

256.    Kateryna Pavlyk, Oleg Gutik and Andriy Reiter On Topological Semigroups of Matrix Units // The 14th general meeting of European women in mathematics, Novi Sad, Serbia August 25-28, 2009, Book of Abstracts 2. - P. 36-37.

257.    Äæàëþê Í. Ïðî ôàêòîðèçàö³¿ êë³òêîâî-òðèêóòíèõ ìàòðèöü òà ¿õ îäíîçíà÷í³ñòü // Äâàíàäöÿòà ì³æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. àêàä. Ì. Êðàâ÷óêà, 15-17 òðàâíÿ 2008ð., Êè¿â: Ìàòåð³àëè êîíôåðåíö³¿. – Ñ. 600.

258.    Äæàëþê Í., Ïåòðè÷êîâè÷ Â. Ïðî ñï³ëüí³ ä³ëüíèêè êë³òêîâî-òðèêóòíèõ ìàòðèöü // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè. – Ëüâ³â, 2008 ð. – Ò. 3. – Ñ. 184-185.

259.    Ïåòðè÷êîâè÷ Â.Ì. Î ôàêòîðèçàöèÿõ ìàòðè÷íûõ ìíîãî÷ëåíîâ è èõ ÷èñëå // Ìåæäóíàðîäíàÿ àëãåáðàè÷åñêàÿ êîíôåðåíöèÿ, ïîñâÿùåííàÿ 100-ëåòèþ ñî äíÿ ðîçäåíèÿ À.Ã. Êóðîøà. Òåçèñû äîêëàäîâ. Ì.: Èçäàòåëüñòâî ìåõàíèêî-ìàòåìàòè÷åñêîãî ôàêóëüòåòà ÌÃÓ, 2008 ã. – C. 178-180.

260.    Ôåäîð÷óê Âàñ., Ôåäîð÷óê Âîë. Ïðî åêâ³âàëåíòí³ñòü ôóíêö³îíàëüíèõ áàçèñ³â äèôåðåíö³àëüíèõ ³íâàð³àíò³â äîâ³ëüíîãî ñê³í÷åíîãî ïîðÿäêó íåñïðÿæåíèõ ï³äãðóï ëîêàëüíèõ ãðóï ˳ òî÷êîâèõ ïåðåòâîðåíü // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè. – Ëüâ³â, 2008 ð. – Ò. 3. – Ñ. 202-204.

261.    Ôåäîð÷óê Âîë. Ïðî êëàñè äèôåðåíö³àëüíèõ ð³âíÿíü ïåðøîãî ïîðÿäêó â ïðîñòîð³ M(1,3)xR(u), ³íâàð³àíòí³ â³äíîñíî äåÿêèõ íåñïðÿæåíèõ ï³äãðóï ãðóïè Ïóàíêàðå P(1,4) // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè. – Ëüâ³â, 2008 ð. – Ò. 3. – Ñ. 166-167.

262.    Ôåäîð÷óê Â.Ì. Ïðî çàñòîñóâàííÿ íååêâ³âàëåíòíèõ ôóíêö³îíàëüíèõ áàçèñ³â äèôåðåíö³àëüíèõ ³íâàð³àíò³â äîâ³ëüíîãî ñê³í÷åííîãî ïîðÿäêó ëîêàëüíèõ ãðóï ˳ òî÷êîâèõ ïåðåòâîðåíü äëÿ ïîáóäîâè òà äîñë³äæåííÿ äèôåðåíö³àëüíèõ ð³âíÿíü // IV Âñåóêðà¿íñüêà íàóêîâà êîíôåðåíöiÿ "Íåëiíiéíi ïðîáëåìè àíàëiçó" (10-12 âåðåñíÿ 2008 ðîêó, Iâàíî-Ôðàíêiâñüê). Òåçè äîïîâiäåé. Iâàíî-Ôðàíêiâñüê, Ïðèêàðïàòñüêèé íàö³îíàëüíèé óíiâåðñèòåò iì. Âàñèëÿ Ñòåôàíèêà. – 2008. – C. 100.

263.    Ôåäîð÷óê Â.². Ïðî çàñòîñóâàííÿ íååêâ³âàëåíòíèõ ôóíêö³îíàëüíèõ áàçèñ³â äèôåðåíö³àëüíèõ ³íâàð³àíò³â ïåðøîãî ïîðÿäêó íåñïðÿæåíèõ ï³äãðóï ãðóïè Ïóàíêàðå P(1,4) äëÿ ïîáóäîâè êëàñ³â äèôåðåíö³àëüíèõ ð³âíÿíü ïåðøîãî ïîðÿäêó â ïðîñòîð³ M(1,3)xR(u) // IV Âñåóêðà¿íñüêà íàóêîâà êîíôåðåíöiÿ "Íåëiíiéíi ïðîáëåìè àíàëiçó" (10-12 âåðåñíÿ 2008 ðîêó, Iâàíî-Ôðàíêiâñüê). Iâàíî-Ôðàíêiâñüê, Ïðèêàðïàòñüêèé íàö³îíàëüíèé óíiâåðñèòåò iì. Âàñèëÿ Ñòåôàíèêà. – 2008. – C. 99.

264.    Øàâàðîâñüêèé Á. Ïðî ôàêòîðèçîâí³ñòü äåÿêèõ êëàñ³â ìàòðèöü // Äâàíàäöÿòà ì³æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. àêàä. Ì. Êðàâ÷óêà, 15-17 òðàâíÿ, 2008ð., Êè¿â: Ìàòåð³àëè êîíôåðåíö³¿. – Ñ. 861.

265.    Øàâàðîâñüêèé Á. Ïðî ïîä³áí³ñòü ìàòðè÷íèõ ìíîãî÷ëåí³â ç íå á³ëüøå í³æ òðüîìà ð³çíèìè ³íâàð³àíòíèìè ìíîæíèêàìè // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè. – Ëüâ³â, 2008 ð. – Ò. 3. – Ñ. 204-205.

266.    Ùåäðèê Â. Ïðî îäíîñòîðîííþ åêâ³âàëåíòí³ñòü ìàòðèöü // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè. – Ëüâ³â, 2008 ð. – Ò. 3. – Ñ. 207-209.

267.    Shchedryk V. P. On factorization of matrices over elementary divisor rings // Ìåæäóíàðîäíàÿ àëãåáðàè÷åñêàÿ êîíôåðåíöèÿ, ïîñâÿùåííàÿ 100-ëåòèþ ñî äíÿ ðîçäåíèÿ À.Ã. Êóðîøà. Òåçèñû äîêëàäîâ. Ì.: Èçäàòåëüñòâî ìåõàíèêî-ìàòåìàòè÷åñêîãî ôàêóëüòåòà ÌÃÓ, 2008 ã. – Ñ. 352-353.

268.    Ïàâëèê Ê.Ï. Íàï³âòîïîëîã³÷í³ ðîçøèðåííÿ Áðàêà-Ðåéë³ íàï³âòîïîëîã³÷íèõ íàï³âãðóï // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè. – Ëüâ³â, 2008 ð. – Ò. 3. – Ñ. 194-196.

269.    Kateryna Pavlyk and Oleg Gutik Countably compact primitive topological inverse semigroups // International Conference “Analysis and Topology”, Lviv, June 2-7, 2008. - P. 48-49.

270.    Ïðîê³ï Â.Ì. Ïðî ä³àãîíàë³çîâàí³ñòü ìàòðèöü íàä îáëàñòþ ãîëîâíèõ ³äåàë³â // Òåçè äîïîâ³äåé “Ãåîìåòð³ÿ â Îäåñ³”.- Îäåñà , 2008 ð.- Ñ. 61- 62.

271.    Ïðîê³ï Â.Ì. Ïðî ä³àãîíàë³çîâàí³ñòü ìàòðèöü ç ì³í³ìàëüíèì êâàäðàòè÷íèì ìíîãî÷ëåíîì // Ñó÷àñí³ ïðîáëåìè ìåõàí³êè òà ìàòåìàòèêè. – Ëüâ³â, 2008 ð. – Ò. 3. – Ñ.200-201.

272.    Shavarovs’kii B. On the class of factorable polynomial matrices // 6th International Algebraic Conference in Ukraine. Kamyanets-Podilsky, July 1-7, 2007. Abstracts. – Kamyanets-Podilsky, 2007. – P. 187-188.

273.    Fedorchuk Vasyl M., Fedorchuk Volodymyr I. On classification of the four-dimensional decomposable non-conjugate subalgebras of the Lie algebra of the Poincare group P(1,4) // 6th International Algebraic Conference in Ukraine. - Kamyanets-Podilsky, July 1-7, 2007. Abstracts. – Kamyanets-Podilsky, 2007. – P. 78-79.

274.    Prokip V. About the uniqueness solution of the matrix polynomial equation // 6th International Algebraic Conference in Ukraine. Kamyanets-Podilsky, July 1-7, 2007. Abstracts. – Kamyanets-Podilsky, 2007. – P. 158-159.

275.    Shchedryk V.,. Mel’nyk O. On canonical diagonal form of matrices product // 6th International Algebraic Conference in Ukraine. Kamyanets-Podilsky, July 1-7, 2007. Abstracts. – Kamyanets-Podilsky, 2007. – P. 188-189.

276.    Dzhalyuk N., Petrychkovych V. Factorizations of partitioned matrices and solutions of linear matrix equations // 6th International Algebraic Conference in Ukraine. Kamyanets-Podilsky, July 1-7, 2007. Abstracts. – Kamyanets-Podilsky, 2007. – P. 75-76.

277.    Petrychkovych V. On factorizations of matrices over some classes ofrings // International conference ASADE, Chisineu, August 21-23, 2007. - P.108-109.

278.    Gutik O. V. , Pavlyk K. P. Topological Brandt λ^0-extensions and H-closed topological semigroups // 6th International Algebraic Conference in Ukraine. Kamyanets-Podilsky, July 1-7, 2007. Abstracts. – Kamyanets-Podilsky, 2007. – P. 88-89.

279.    Zelisko V., Ladzoryshyn N., On equivalence and factorization of matrices over quadratic rings // 6th International Algebraic Conference in Ukraine. Kamyanets-Podilsky, July 1-7, 2007. Abstracts. – Kamyanets-Podilsky, 2007. – P. 231-232.

280.    Romaniv A., On regular divisors of polynomial matrices // 6th International Algebraic Conference in Ukraine. Kamyanets-Podilsky, July 1-7, 2007. Abstracts. – Kamyanets-Podilsky, 2007. – P. 171-172.

281.    Äæàëþê Í.Ñ., Ïåòðè÷êîâè÷ Â.Ì. Ôàêòîðèçàö³¿ êë³òêîâî-òðèêóòíèõ ö³ëî÷èñåëüíèõ ìàòðèöü // ̳æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. Â.ß. Ñêîðîáàãàòüêà. Äðîãîáè÷, Óêðà¿íà, 24-28 âåðåñíÿ 2007. Òåçè äîïîâ³äåé. – Ëüâ³â, 2007. – Ñ. 88.

282.    Øàâàðîâñüêèé Á.Ç. Ðîçâ’ÿçóâàííÿ äåÿêèõ ìàòðè÷íèõ ð³âíÿíü // ̳æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. Â.ß. Ñêîðîáàãàòüêà. Äðîãîáè÷, Óêðà¿íà, 24-28 âåðåñíÿ 2007. Òåçè äîïîâ³äåé. – Ëüâ³â, 2007. – Ñ. 297.

283.    Ùåäðèê Â.Ï. Ïðî ä³ëüíèêè ìíîãî÷ëåííèõ ìàòðèöü // ̳æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. Â.ß. Ñêîðîáàãàòüêà. Äðîãîáè÷, Óêðà¿íà, 24-28 âåðåñíÿ 2007. Òåçè äîïîâ³äåé. – Ëüâ³â, 2007. – Ñ. 303.

284.    Fedorchuk Vasyl M, Fedorchuk Volodymyr I. On classification of the four-dimensional decomposable non-conjugate subalgebras of the Lie algebra of the Poincare group P(1,4) // 6th International Algebraic Conference in Ukraine (July 1–7, 2007, Kamyanets-Podilsky, Ukraine), Abstracts, Kamyanets-Podilsky, Kamyanets-Podilsky State University, P. 78–79.

285.    Ôåäîð÷óê Â.Ì. Ïðî ïîáóäîâó òà äîñëiäæåííÿ äåÿêèõ êëàñiâ äèôåðåíöiàëüíèõ ðiâíÿíü ç íåòðèâiàëüíîþ ñèìåòðiºþ // Òåçè äîï. Ìiæíàð. ìàò. êîíô. iì. Â.ß. Ñêîðîáîãàòüêà, 24–28 âåðåñíÿ 2007, Äðîãîáè÷, Óêðà¿íà.– Ëüâiâ: Ií-ò. ÏÏÌÌ iì. ß.Ñ. Ïiäñòðèãà÷à ÍÀÍ Óêðà¿íè, 2007.– Ñ. 277.

286.    Ôåäîð÷óê Â.Ì. Ïðî êëàñè äèôåðåíöiàëüíèõ ðiâíÿíü ïåðøîãî ïîðÿäêó, iíâàðiàíòíi âiäíîñíî äåÿêèõ ïiäãðóï ãðóïè Ïóàíêàðå P(1,4) // Òåçè äîï. Ìiæíàð. ìàò. êîíô. iì. Â.ß. Ñêîðîáîãàòüêà, 24–28 âåðåñíÿ 2007, Äðîãîáè÷, Óêðà¿íà.–Ëüâiâ: Ií-ò. ÏÏÌÌ iì. ß.Ñ. Ïiäñòðèãà÷à ÍÀÍ Óêðà¿íè, 2007.–Ñ. 278.

287.    Ïàâëèê Ê. Ï. Òîïîëîã³÷í³ ðîçøèðåííÿ Áðàêà-Ðåéë³ òîïîëîã³÷íèõ íà³âãðóï // Fifth Summer School “Algebra, Topology and Analysis”, Lviv-Kozyova, August 6-18, 2007. Invited Lectures and Abstracts of Research Reports. – Lviv-Kozyova, 2007. – P. 57-59.

288.    Gutik O. V. and Pavlyk K. P. On Brandt λ^0-Extensions of Topological Semigroups with Zero // Forth Summer School “Algebra, Topology, Functional and Stochastic Analysis”, Lviv-Kozyova, July 17-29, 2006. Invited Lectures and Abstracts of Research Reports. – Lviv-Kozyova, 2006. – P. 139-142.

289.    Prokip V. On similarity of a matrix and its transpos // International Conference on Radicals ICOR-2006, July 30 – August 5, 2006, Kyiv, Ukraine. – Kyiv, 2006. – P. 55.

290.    Ïðîê³ï Â. Ì. Î LU ôàêòîðèçàöèè ìíîãî÷ëåííûõ ìàòðèö // ̳æíàðîäíèé ñåì³íàð “Ãåîìåòð³ÿ â Îäåñ³”. Òåçè äîïîâ³äåé. – Îäåñà, 2006 – Ñ. 139-140.

291.    Ïðîê³ï Â. Ì. Ïðî ä³ëüíèêè òðèêóòíèõ ìíîãî÷ëåííèõ ìàòðèöü // Îäèíàäöÿòà ì³æíàðîäíà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì. Êðàâ÷óêà, 18-20 òðàâíÿ 2006 ðîêó, Êè¿â. Ìàòåð³àëè êîíôåðåíö³¿. – Êè¿â, 2006. – Ñ. 562.

292.    Ïðîê³ï Â. Ì. Ïðî ïîä³áí³ñòü òà åêâ³âàëåíòí³ñòü áëî÷íî òðèêóòíèõ òà áëî÷íî ä³àãîíàëüíèõ ìàòðèöü // VII ̳æíàðîäíà êîíôåðåíö³ÿ “Ìàòåìàòè÷í³ ïðîáëåìè ìåõàí³êè íåîäíîð³äíèõ ñòðóêòóð”. 20-23 âåðåñíÿ 2006, ì. Ëüâ³â. – Ëüâ³â, 2006. – Ñ. 227-229.

293.    Ïðîêèï Â. Ì. Î âçàèìíîé ïðîñòîòå ìàòðèö íàä îáëàñòüþ ãëàâíûõ èäåàëîâ // 5-ÿ íàó÷íàÿ êîíôåðåíöèÿ “Ëîìîíîñîâñêèå ÷òåíèÿ”, ÌÃÓ. – Ìîñêâà, 2006. – Ñ. 160.

294.    Fedorchuk Vasyl, Fedorchuk Volodymyr, On some Applications of Invariant of Continuous Subgroups of the Poincare Group P(1,4) in Mathematical Physics // Eotvos Lorand University, 29th August – 4th September, Budapest, Hungary. – Budapest, 2005. – P. 18.

295.    Fedorchuk Vasyl M., Fedorchuk Volodymyr I. On functional bases of the first-order differential invariants for non conjugate subgroups of the Poincare group P(1,4)// XIII-th Polish-Czech-Slovak Mathematical School, Krakow. Dobcryce Jalowcowa Gora. 8th-10th June 2006. Book of Abstracts. – Pedagogical Univ. of Cracow, Departament of Mathematics, 2006. – P. 35.

296.    Øàâàðîâñüêèé Á. Ç. Ïðî ïîä³áí³ñòü òà êâàç³ä³àãîíàëüíó åêâ³âàëåíòí³ñòü ìàòðèöü òà ¿õ íàáîð³â // Îäèíàäöÿòà ì³æíàðîäíà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì. Êðàâ÷óêà, 18-20 òðàâíÿ 2006 ðîêó, Êè¿â. Ìàòåð³àëè êîíôåðåíö³¿. – Êè¿â, 2006. – Ñ. 654.

297.    Shavarovs’kii B. On the block-diagonal equivalence of matrices // International Conference on Radicals ICOR-2006, July 30- August 5, 2006, Kyiv, Ukraine. – Kyiv, 2006. – P. 62-63.

298.    Ùåäðèê Â.Ï. Äåÿê³ ³íâàð³àíòè ïåðåòâîðþâàëüíèõ ìàòðèöü // VII ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ “Ìàòåìàòè÷í³ ïðîáëåìè ìåõàí³êè íåîäíîð³äíèõ ñòðóêòóð”. 20-23 âåðåñíÿ 2006, ì. Ëüâ³â. – Ëüâ³â, 2006. – Ñ. 236-237.

299.    Shchedryk V. Unilateral equivalence of singular martices and singular divisors of matrices // International Conference on Radicals ICOR-2006, July 30 - August 5, 2006, Kyiv, Ukraine. – Kyiv, 2006. – P. 64-66.

300.    Gutik O.V. On linearly ordered H-closed topological semilattices // Êîíôåðåíö³ÿ ìîëîäèõ â÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. àêàäåì³êà ß.Ñ. ϳäñòðèãà÷à. Ëüâ³â, 24-27 òðàâíÿ 2005ð. Òåçè äîïîâ³äåé. – Ëüâ³â, 2005. – Ñ. 245-246.

301.    Gutik O.V. and Pavlyk K.P. On compact semitopological semigroups of matrix units // Êîíôåðåíö³ÿ ìîëîäèõ â÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. àêàäåì³êà ß.Ñ. ϳäñòðèãà÷à. Ëüâ³â, 24-27 òðàâíÿ 2005 ð. Òåçè äîïîâ³äåé. – Ëüâ³â, 2005. – Ñ. 247-248.

302.    Gutik O.V. On H-closed topological semilattices // 5th International Algebraic Conference in Ukraine. Odessa, July 20-27, 2005. Abstracts. – Odessa, 2005. – P. 82.

303.    Gutik O.V. and Pavlyk K.P. On absolutely H-closed topological semigroups and Brandt λ^0-extensions // 5th International Algebraic Conference in Ukraine. Odessa, July 20-27, 2005. Abstracts. – Odessa, 2005. – P. 83-84.

304.    Gutik O. and Pavlyk K. Pseudo-compact semitopological semigroups of matrix units // Third Summer School in Algebra, Analysis and Topology. Lviv-Kozyova, August 9-20, 2005. Invited Lectures and Abstracts of Research Reports. – Lviv, 2005. – P. 137-139.

305.    Äæàëþê Í.Ñ. Ïðî òðèêóòíó ïîä³áí³ñòü ìàòðèöü // Êîíô. ìîëîäèõ ó÷åíèõ ³ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. àêàäåì³êà ß.Ñ. ϳäñòðèãà÷à. Òåçè äîïîâ³äåé. – Ëüâ³â, 2005. – Ñ. 236-237.

306.    Petrychkovych V.M. Generalized equivalence of matrices and its collections and factorization of matrices over rings // 5th International Algebraic Conference in Ukraine. Odessa, July 20-27, 2005. Abstracts. – Odessa, 2005. – P. 155.

307.    Prokip V. On common divisors of matrices over principal ideal domain // 5th International Algebraic Conference in Ukraine. Odessa, July 20-27, 2005. Abstracts. – Odessa, 2005. – P. 159-160.

308.    Fedorchuk Vasyl, Fedorchuk Volodymyr, On symetry reduction of some new classes of the first-order differential equations in the space M(1,4)xR(4) // XII-th Czech-Polish-Slovak Mathematical School. High School Hlulios 2.06.2005-4.06.2005. Book of Abstracts. – Univ. of Jan Evangelista Purkyne in Usti nad Labem, 2005. – P. 20-25.

309.    Shavarovs’kii B.Z. On similarity of some collection of matrices // 5th International Algebraic Conference in Ukraine. Odessa, July 20-27, 2005. Abstracts. – Odessa, 2005. – P. 186-187.

310.    Shchedryk V.P. Some determinant properties of matrices // 5th International Algebraic Conference in Ukraine. Odessa, July 20-27, 2005. Abstracts. – Odessa, 2005. – P. 188.

311.    Ãóò³ê Î.Â. , ˳âà÷ Þ.Ì. Çàíóðåííÿ òîïîëîã³÷íèõ íàï³âãðóï // Êîíôåðåíö³ÿ ìîëîäèõ â÷åíèõ ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. àêàäåì³êà ß.Ñ. ϳäñòðèãà÷à, Ëüâ³â, 24-26 òðàâíÿ 2004 ð. Òåçè äîïîâ³äåé. – Ëüâ³â, 2004. – Ñ. 65-66.

312.    Gutik O.V. and Pavlyk K.P. On 0-simple initially τ-compact topological inverse semigroups // Êîíôåðåíö³ÿ ìîëîäèõ â÷åíèõ ç ñó÷àñíèõ ïðîáëåì ìåõàí³êè ³ ìàòåìàòèêè ³ì. àêàäåì³êà ß.Ñ. ϳäñòðèãà÷à, Ëüâ³â, 24 26 òðàâíÿ 2004 ð. Òåçè äîïîâ³äåé. – Ëüâ³â, 2004. – Ñ. 179-181.

313.    Gutik O.V. and Pavlyk K.P. Compact congruence-free topological semigroups // International Conference "Geometric Topology: Infinite-Dimensional Topology, Absolute Extensors, Applications". Lviv, May 26-30, 2004. Book of Abstracts. – Lviv, 2004. – P. 24-26.

314.    Gutik O. and Pavlyk K. On compact congruence-free topological inverse semigroups // International Conference dedicated to the 125-th anniversary of Hans Hahn, Chernivtsi, Ukraine, June 27 – July 3, 2004. Book of abstracts. – Chernivtsi, 2004. – P. 128-130.

315.    Gutik O. Topological inverse semigroups // II Summer School in Algebra and Topology, Dolyna, August 2-14, 2004. Programs of Invited Lectures and Abstracts of Research reports. – Lviv-Dolyna, 2004. – P. 6.

316.    Pavlyk K.P. Absolutely H-closed topological semigroups and Brandt λ–extensions // II-à ë³òíÿ øêîëà ç àëãåáðè ³ òîïîëî㳿. Programs of Invited Lectures and Abstracts of Research reports. – Lviv-Dolyna, 2004. – P. 28-30.

317.    Ïåòðè÷êîâè÷ Â., Äæàëþê Í. Ïðî ñï³ëüí³ ä³ëüíèêè òà âçàºìíó ïðîñòîòó ö³ëî÷èñåëüíèõ ìàòðèöü // ̳æíàðîäíà ìàòåìàòè÷íà êîíôåðåíö³ÿ ³ì. Â.ß. Ñêîðîáàãàòüêà, 27 âåðåñíÿ – 1 æîâòíÿ 2004 ð., ì. Äðîãîáè÷. Òåçè äîïîâ³äåé. – Ëüâ³â, 2004. – Ñ. 170.

318.    Prokip V. On common divisors of matrices over principal ideal domain // 13th IWMS 2004. August 2004, Poland, Poznan`. Abstract. – Poznan`, 2004. – P. 23.

319.    Prokip V.M. On equivalence relation of polynomial matrices // Ìàòåðèàëû Àëãåáðèè÷åñêîé êîíôåðåíöèè. – Ì.: Èçä. ìåõ.-ìàò. ôàê. ÌÃÓ, 2004. – Ñ. 256-257.

320.    Ïðîêèï Â.Ì. Î ðàçðåøèìîñòè ëèíåéíûõ ìàòðè÷íûõ óðàâíåíèé // Àëãåáðà, ëîãèêà è êèáåðíåòèêà. Ìàòåðèàëû ìåæäóíàð. êîíôåðåíöèè. Èðêóòñêèé ãîñ. Óíèâåðñèòåò. – Èðêóòñê, 2004. – Ñ. 89–91.

321.    Ôåäîð÷óê Â.Ì., Ôåäîð÷óê Â.². Ïðî äèôåðåíö³àëüí³ ð³âíÿííÿ ïåðøîãî ïîðÿäêó â ïðîñòîð³ M(1,4)xR(u) ç íåòðèâ³àëüíèìè ñèìåòð³ÿìè // Äåñÿòà ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì.Êðàâ÷óêà. 13 –15 òðàâíÿ 2004 ðîêó, Êè¿â. Ìàòåð³àëè êîíôåðåíö³¿. – Êè¿â, 2004. – Ñ.313.

322.    Fedorchuk V.M., Fedorchuk V.I. Symmetry Reduction of Some Closses of the First-Order Differential Equations in the Space M(1,4)xR(u) // XI Slovak–Polish–Czech. math. school. June 2-5, 2004, Ruzomherok. Book of abstract. – Ruzomherok, 2004. – P. 13.

323.    Øàâàðîâñüêèé Á.Ç. Áëî÷íî-ä³àãîíàëüíà ïîä³áí³ñòü ìàòðèöü ñïåö³àëüíî¿ áóäîâè // Äåñÿòà ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì.Êðàâ÷óêà. 13 –15 òðàâíÿ 2004 ðîêó, Êè¿â. Ìàòåð³àëè êîíôåðåíö³¿. – Êè¿â, 2004. – Ñ. 553.

324.    Banakh T.O., Gutik O.V. and Rajagopalan M. Compatible algebraic structures on scattered compacta // V Iberoamerican Conference on General Topology and its Applications. CITA-2003, Lorca, June 10-14, 2003. – P. 61.

325.    Banakh T., Gutik O. and Rajagopalan M. Compatible algebraic structures on scattered compacta // IV International Algebraic Conference in Ukraine, Lviv, August 4-9, 2003, Abstracts. – Lviv, 2003. – P. 29-30.

326.    Gutik Î. and Livach Yu. Embeddings of semigroups into nilpotent-generated semigroups // IV ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿÌàòåìàòè÷í³ ïðîáëåìè ìåõàí³êè íåîäíîð³äíèõ ñòðóêòóð”. Ìàòåð³àëè. – Ëüâ³â, 2003. – C. 487-488.

327.    Gutik Î. and Pavlyk K. Topological Brandt λ^0-extensions of topological semigroups with zero // IV ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ”Ìàòåìàòè÷í³ ïðîáëåìè ìåõàí³êè íåîäíîð³äíèõ ñòðóêòóð”. Ìàòåð³àëè. – Ëüâ³â, 2003. – C. 489-490.

328.    Gutik Î.V. and Pavlyk K.P. On H-closed topological semigroups and Brandt λ^0-extensions // International Conference "Complex Analysis and its applications", May 26-29, 2003. Abstracts. – Lviv, 2003. – P. 29-30.

329.    Gutik O.V. On H-closed topological semigroups // 1-a ë³òíÿ øêîëà ç òîïîëîã³÷íî¿ àëãåáðè ³ ôóíêö³îíàëüíîãî àíàë³çó, Ëüâ³â-Êîçåâà, 22-31 ëèïíÿ 2003ð. – Ëüâ³â, 2003. – Ñ. 23-24.

330.    Gutik O.V. and Pavlyk K.P. On Brandt λ^0-extensions of semigroups with zero // IV International Algebraic Conference in Ukraine, Lviv, August 4-9, 2003, Abstracts. – Lviv, 2003. – P. 88-89.

331.    Gutik O.V. On some topological version of the Rees quotient Theorem // ̳æíàð. íàóê. êîíô. „Øîñò³ Áîãîëþáîâñüê³ ÷èòàííÿ”, ×åðí³âö³, 26-30 ñåðïíÿ 2003 ð. – Êè¿â, 2003. – Ñ. 280.

332.    Dzhalyuk N.S. and Petrychkovych V.M. On common divisors of polynomial matrices // 4th International Algebraic Conference in Ukraine, Lviv, 4-9 August, 2003, Abstracts. – Lviv, 2003. – P. 65-66.

333.    Ïåòðè÷êîâè÷ Â. Ïðî ñòàíäàðòíó ôîðìó ïàðè ìàòðèöü òà ¿õ ñï³ëüí³ ä³ëüíèêè // VI ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ”Ìàòåìàòè÷í³ ïðîáëåìè ìåõàí³êè íåîäíîð³äíèõ ñòðóêòóð”. Ëüâ³â, 26-29 òðàâíÿ 2003 ð. – Ëüâ³â, 2003. – C. 535-537.

334.    Petrychkovych V.M. Standard forms of matrices and its collections with respect to various equivalences and its applications // 4th International Algebraic Conference in Ukraine, Lviv, 4-9 August, 2003, Abstracts. – Lviv, 2003. – P. 171-172.

335.    Ïðîê³ï Â.Ì. Ïðî ïîä³ëüí³ñòü ìàòðèöü íàä îáëàñòþ ãîëîâíèõ ³äåàë³â // VI ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ”Ìàòåìàòè÷í³ ïðîáëåìè ìåõàí³êè íåîäíîð³äíèõ ñòðóêòóð”. Ëüâ³â, 26-29 òðàâíÿ 2003 ð. – Ëüâ³â, 2003. – Ñ. 482–484.

336.    Ïðîê³ï Â.Ì., Êîëÿäà Ð.Â., Ìåëüíèê Î.Ì. Ïðî ñòðóêòóðó ìàòðèöü íàä àäåêâàòíèì ê³ëüöåì // VI ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ”Ìàòåìàòè÷í³ ïðîáëåìè ìåõàí³êè íåîäíîð³äíèõ ñòðóêòóð”. Ëüâ³â, 26-29 òðàâíÿ 2003 ð. – Ëüâ³â, 2003. – Ñ. 485- 486.

337.    Prokip V. On a class of divisors of polynomial matrices over integer domains // 4th International Algebraic Conference in Ukraine, Lviv, 4-9 August, 2003, Abstracts. – Lviv, 2003. – P. 177–178.

338.    Fedorchuk V.M., Fedorchuk V.I. On construction first-order differential equations in the space M(1,3)xR(4) with non trivial symmetries // X Polish-Chech. Mathematical school. Poraj, June 4-7, 2003. – Book of abstracts, Institute of Mathematics and Computer Science, Czestochowa Pedagogical Universuty. – P. 20.

339.    Ôåäîð÷óê Â.Ì., Ôåäîð÷óê  ². Ïðî ïîáóäîâó ìàòåìàòè÷íèõ ìîäåëåé ç íåòðèâ³àëüíîþ ñèìåòð³ºþ // IV ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ”Ìàòåìàòè÷í³ ïðîáëåìè ìåõàí³êè íåîäíîð³äíèõ ñòðóêòóð”. Ëüâ³â, 26-29 òðàâíÿ 2003. – Ëüâ³â, 2003. – C. 503-504.

340.    Fedorchuk V.M., Fedorchuk V.I. On differential first-order differential invariants of the continuous subgroups of the Poincare group P(1,4) // 4th International Algebraic Conference in Ukraine, Lviv, 4-9 August, 2003, Abstracts. – Lviv, 2003. – P. 69-70.

341.    Ôåäîð÷óê Â.Ì. Ïðî äåÿê³ çàñòîñóâàííÿ ³íâàð³àíò³â ï³äãðóï ãðóïè Ïóàíêàðå P(1,4) // ²²² Âñåóêðà¿íñüêà íàóêîâà êîíôåðåíö³ÿÍåë³í³éí³ ïðîáëåìè àíàë³çó”. ²â.-Ôðàíê³âñüê, 9-12 âåðåñíÿ 2003 ðîêó. Òåçè äîïîâ³äåé. – ²â.-Ôðàíê³âñüê: Ïðèêàðïàòñüêèé óí-ò ³ì. Â.Ñòåôàíèêà , 2003. – Ñ. 106.

342.    Øàâàðîâñüêèé Á. Ïðî ïîä³áí³ñòü òà íàï³âñêàëÿðíó åêâ³âàëåíòí³ñòü ìàòðè÷íèõ ìíîãî÷ëåí³â // IV ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ”Ìàòåìàòè÷í³ ïðîáëåìè ìåõàí³êè íåîäíîð³äíèõ ñòðóêòóð”. Ëüâ³â, 26-29 òðàâíÿ 2003. – Ëüâ³â, 2003. – C. 554-555.

343.    Shavarovs`kyj B.Z. Similarity invariants of the collection of matrices of order 2k with k identical elementary divisors // 4th International Algebraic Conference in Ukraine, Lviv, August 4-9, 2003, Abstracts. – Ëüâ³â, 2003. – P. 202-203.

344.    Ùåäðèê Â. Äåÿê³ ³íâàð³àíòè ïåðåòâîðþâàëüíèõ ìàòðèöü // IV ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ”Ìàòåìàòè÷í³ ïðîáëåìè ìåõàí³êè íåîäíîð³äíèõ ñòðóêòóð”. Ëüâ³â, 26-29 òðàâíÿ 2003. – Ëüâ³â, 2003. – C. 481-482.

345.    Shchedryk V.P. Divisors of matrices over elementary divisor ring // 4th International Algebraic Conference in Ukraine, Lviv, August 4-9, 2003, Abstracts. – Ëüâ³â, 2003. – P. 204-205.

346.    Banakh T.O., Gutik O.V. On the continuity of the inversion in countably compact inverse topological semigroups // Int. Conf. on Functional Analysis and its Applications Dedicated to the 110th anniversary of Stefan Banach. Lviv, Ukraine, May, 28-31, 2002. Books of Abstracts. – Lviv, 2002. – P.25-26.

347.    Banakh T.O., Gutik O.V. On a counterpart of Franklin Theorem for topological semigroups // ³äêðèòà íàóêîâî-òåõí³÷íà êîíôåðåíö³ÿ ìîëîäèõ íàóêîâö³â ³ ñïåö³àë³ñò³â Ô³çèêî-ìåõàí³÷íîãî ³íñòèòóòó ³ì. Ã. Â. Êàðïåíêà “Ïðîáëåìè êîðîç³éíî ìåõàí³÷íîãî ðóéíóâàííÿ, ³íæåíåð³ÿ ïîâåðõí³, ä³àãíîñòè÷í³ ñèñòåìè ³ ñèãíàëè”. Ëüâ³â, 15-17 òðàâíÿ 2002ð. Ëüâ³â, 2002. – P. 153-155.

348.    Guran I.Yo., Gutik O.V. The bicyclic semigroup and countably compact topological inverse semigroups // ³äêðèòà íàóêîâî-òåõí³÷íà êîíôåðåíö³ÿ ìîëîäèõ íàóêîâö³â ³ ñïåö³àë³ñò³â Ô³çèêî-ìåõàí³÷íîãî ³íñòèòóòó ³ì. Ã.Â. Êàðïåíêà “Ïðîáëåìè êîðîç³éíî ìåõàí³÷íîãî ðóéíóâàííÿ, ³íæåíåð³ÿ ïîâåðõí³, ä³àãíîñòè÷í³ ñèñòåìè ³ ñèãíàëè”. Ëüâ³â, 15-17 òðàâíÿ 2002ð. Ëüâ³â, 2002. – P. 149-152.

349.    O.V. Gutik, and K.P. Pavlyk On H-closed topological semigroups and Brandt λ-extensions // International Mathematical Conference honoring D.A. Grave's 100th year since the begining of his work at Kyiv University. Kyiv, June 17-22, 2002. – Kyiv, 2002. – P. 29-30.

350.    Gutik O.V., Pavlyk K.P. Topological Brandt λ-extensions of absolutely H-closed topological inverse semigroups // International Algebraic Conference Dedicated to the memory of Z.I. Borevich, St. Petersburg, Russia, September 17-23, 2002. – Abstracts of reports. – St. Petersburg, 2002. – Ð. 99-103.

351.    Horbachuk O.L., Maturin Yu.P. Commutative Rings over which every Principal Hereditary Torsion Splits // IX ̳æíàðîäíà íàóêîâà êîíôåðåíö³ÿ ³ìåí³ àêàäåì³êà Ì.Êðàâ÷óêà, Êè¿â, 16-19 òðàâíÿ 2002. Ìàòåð³àëè êîíôåðåíö³¿. – Êè¿â: ÍÒÓÓ”Êϲ”. – 2002. – Ñ. 251.

352.    Petrychkovych V.M. The standard form of a pair of matrices and their divisors and common divisors // ̳æí. ìàòåì. êîíô. ïðèñâ’ÿ÷åíà ñòîð³÷÷þ â³ä ïî÷àòêó ðîáîòè Ä.Î. Ãðàâå (1863-1939) â Êè¿âñüêîìó óí³âåðñèòåò³. – Êè¿â, 2002. – Ñ. 39-40.

353.    Petrychkovych V.M. On factorizations of matrices over ring // International Algebraic Conference Dedicated to the memory of Z.I.Borevich, St.Petersburg, Russia, September 17-23, 2002. Abstracts of reports. – St. Peterburg, 2002. – Ð. 138-139.

354.    Ïðîê³ï Â.Ì. Ïðî ñòðóêòóðó ä³ëüíèê³â ìàòðèöü íàä àäåêâàòíèì ê³ëüöåì // ̳æí. ìàòåì. êîíô., ïðèñâ’ÿ÷åíà ñòîð³÷÷þ â³ä ïî÷àòêó ðîáîòè Ä.Î. Ãðàâå (1863-1939) â Êè¿âñüêîìó óí³âåðñèòåò³. – Êè¿â, 2002. – Ñ. 117-118.

355.    Ïðîêèï Â.Ì. Ñðóêòóðà ìàòèö è èõ äåëèòåëåé íàä àäåêâàòíûì êîëüöîì // International Algebraic Conference Dedicated to the memory of Z.I. Borevich, St. Petersburg, Russia, September 17-23, 2002. Abstracts of reports. – St. Petersburg. – Ð. 52-55.

356.    Ôåäîð÷óê Â.Ì., Ôåäîð÷óê Â.I. Ïðî äèôåðåíöiàëüíi ðiâíÿííÿ ïåðøîãî ïîðÿäêó â ïðîñòîði M(1,3)xR(u) ç íåòðèâiàëüíèìè ñèìåòðiÿìè // Äåâ'ÿòà ìiæíàðîäíà íàóêîâà êîíôåðåíöiÿ iì. àêàä. Ì. Êðàâ÷óêà, Êè¿â, 16–19 òðàâíÿ, 2002. Ìàòåðiàëè êîíôåðåíöi¿.– Êè¿â: ÍÒÓÓ "ÊÏI". – 2002.– C. 201.

357.    Fedorchuk V.Ì., Fedorchuk V.I. O niektorych zastosowaniach niesprzezonych podalgebr algebry Lie'go uogolnionej grupy Poincare P(1,4) // Zastosowania algebry VI (Zakopane - Jaszczurowka, 25 lutego – 3 marca 2002). – Czestochowa: WSP w Czestochowie. – 2002.

358.    Fedorchuk V.M., Fedorchuk V.I. Some new differential equations of the first-order in the space M(1,3)xR(u) with given symmetry groups. // Functional Analysis and its Applications: Proc. Int. Conf. Dedicated to the 110th anniversary of Stefan Banach, Lviv, May 28–31, 2002. – Lviv: Lviv Ivan Franko National University, Pidstryhach Inst. for Appl. Probl. of Mech. and Math. – 2002.– P. 69.

359.    Fedorchuk V.M., Fedorchuk V.I. On Differential Invariants of First- and Second-Order of the Splitting Subgroups of the Generalized Poincare Group P(1,4) // Symmetry in Nonlinear Mathematical Physics: Proc. 4th Int. Conf. (Ukr. Math. Congr. Dedicated to 200th Anniversary of Mykhailo Ostrohrads'kyi), Kyiv, 9–15 July, 2001.– Part 1.– Kyiv: Inst. of Math. of NAS of Ukraine. – 2002. – Ð. 140–144. – (Proc. Inst. of Math. of NAS of Ukraine.– 2002.– Vol. 43, Part 1).

360.    Fedorchuk V.M., Fedorchuk V.I. On construction of the first-order differential equations in the space M(1,4)x R(u) with non trivial symmetry groups // The Int. Math. Conf. Honoring O.A. Graves's 100th year since the beginning of his work at Kyiv University, Kyiv, 17–22 June, 2002. – Kyiv: Inst. of Math. of NAS of Ukraine, Kyiv Nat. Taras Shevchenko Univ. – 2002. – P. 21.

361.    Fedorchuk V.M., Fedorchuk V.I. First-order differential invariants of the splitting subgroups of the Poincare group P(1,4), 4rd // Conf. "Geometry and Topology of Manifolds", Krynica, April 29 to May 4, 2002. – Lodz: Inst. of Math. of the Technical University of Lodz. – 2002. – P. 24.

362.    Fedorchuk V. On new differential equations of the first-order in the Space M(1,4)xR(u) with nontrivial symmetries, 9th // Polish-Czech Mathematical School, Krakow–Osieczany, 6th–8th June, 2002. – Krakow: Pedagogical Univ. of Cracow, Inst. of Math. – 2002. – P. 15.

363.    Shchedryk V.P. Nonassociative divisors of matrices over elementary divisor ring // International Algebraic Conference Dedicated to the memory of Z.I.Borevich, St.Petersburg, Russia, September 17-23, 2002. Abstracts of reports. – St. Petersburg. – Ð. 156-158.