Participants

1. Enzo Bonacci, Algebraic questions about a FTL physics, Scientific High School "G.B. Grassi" (Latina, Italy)

2. Nataliia Luno, Appell-type generalized hypergeometric polynomials, Vasyl' Stus Donetsk National University (Vinnytsia, Ukraine), Co-authors: Leonid Bedratyuk, Khmelnitskiy National University (Khmelnitskiy, Ukraine)

3. Dmytro Savchuk, On connection between Mealy and Moore automata via d-adic dynamics, University of South Florida (Tampa, USA), Co-authors: Rostislav Grigorchuk

4. Marina Drushlyak, TBA, Makarenko Sumy State Pedagogical University (Sumy, Ukraine)

5. Halyna Shelepalo (Krainichuk), Classification of quasigroup functional equations and identities of minimal length, Vasyl' Stus Donetsk National University (Vinnytsia, Ukraine)

6. Halyna Shelepalo (Krainichuk), A classification of functional equations and identities, Vasyl' Stus Donetsk National University (Vinnytsia, Ukraine)

7. Iryna Fryz, TBA, Vasyl' Stus Donetsk National University (Vinnytsia, Ukraine)

8. Arsen Akopyan, TBA, Vasyl' Stus Donetsk National University (Vinnytsia, Ukraine)

9. Volodymyr Shchedryk, Arithmetic properties of matrix linear equations, Pidstryhach Institute for Applied Problems of Mechanics and Mathematics

National Academy of Sciences of Ukraine (L'viv, Ukraine)

10. Nataliia Dzhaliuk, TBA, Pidstryhach Institute for Applied Problems of Mechanics and Mathematics National Academy of Sciences of Ukraine (L'viv, Ukraine), Co-authors: Petrychkovych Vasyl'

11. Vasyl' Petrychkovych, TBA, Pidstryhach Institute for Applied Problems of Mechanics and Mathematics National Academy of Sciences of Ukraine

(L'viv, Ukraine)

12. Natalija Ladzoryshyn, TBA, Pidstryhach Institute for Applied Problems of Mechanics and Mathematics National Academy of Sciences of Ukraine

(L'viv, Ukraine)

13. Andriy Romaniv, TBA, Pidstryhach Institute for Applied Problems of Mechanics and Mathematics National Academy of Sciences of Ukraine (L'viv, Ukraine)

14. Taras Goy, On some combinatorial identities involving the Horadam numbers, Vasyl Stefanyk Precarpathian National University (Ivano-Frankivsk, Ukraine)

15. Andriy Bilous, TBA, Pidstryhach Institute for Applied Problems of Mechanics and Mathematics National Academy of Sciences of Ukraine

(L'viv, Ukraine)

16. Victor Bovdi, Normal loop rings, UAEU (Al Ain, United Arab Emirates), Co-authors: A.Grishkov, L.Sabinina and M.Salim

17. Anatolii Tushev, On induced modules over group rings of groups of finite rank, Dnipro National University (Dnipro, Ukraine)

18. Юрій Дрозд, TBA, Інститут математики НАНУ (Київ, Україна)

19. Alexei Kashu, Closure operators in Morita contexts: mappings and their properties, Institute of Mathematics and Computer Sciences

(Chishinau, Republic of Moldova)

20. Alla Lutsenko, TBA, Vasyl' Stus Donetsk National University (Vinnytsia, Ukraine)

21. Ivan Kyrchei, Cramer's rules for Sylvester-type quaternion matrix equations, Pidstryhach Institute for Applied Problems of Mechanics and

Mathematics NAS of Ukraine (Lviv, Ukraine)

22. Volodymyr Prokip, A note on similarity of matrices over a field, Pidstryhach Institute for Applied Problems of Mechanics and Mathematics NAS of Ukraine (Lviv, Ukraine)

23. Viktor Savchuk, TBA, Pidstryhach Institute for Applied Problems of Mechanics and Mathematics NAS of Ukraine (Lviv, Ukraine)

24. Leonid Kurdachenko, Infinite – dimensional Leibniz algebras in the spirit of infinite group theory, National University of Dnipro (Dnipro, Ukraine)

25. Nadia Ilash, TBA, Khmelnytskyi National University (Khmelnytskyi, Ukraine)

26. Ruslan Skuratovskii, The commutators of Sylow 2-Subgroups of Alternating Groups and Wreath Product, Their Minimal Generating Sets, IAPM, Department of computer and informational tehnologies (Kyiv, Ukraine)

27. Viktoriia Yashchuk, TBA, Oles Honchar Dnipro National University, (Dnipro, Ukraine), Co-authors: L.A. Kurdachenko, I.Ya.Subbotin

28. Oksana Odintsova, The structure properties of rational numbers are important component of mathematical knoweledge of mathematical teachers, Makarenko Sumy State Pedagogical University, (Sumy, Ukraine), Co-authors: Fedir Lyman

29. Fedir Lyman, The structure properties of rational numbers are impotant component of mathematical knowledge of mathematical teachers,

Makarenko Sumy State Pedagogical University, (Sumy, Ukraine), Co-authors: Oksana Odintsova

30. Andriiana Plakosh, TBA, Institute of Mathematics of NAS of Ukraine, (Kyiv, Ukraine)

31. Andrii Gatalevych, Diagonal reduction of matrices over commutative semihereditary Bezout rings, Ivan Franko National University of Lviv

(Lviv, Ukraine)

32. Volodymyr Bavula, The Generalized Weyl Poisson algebras and their simplicity criterion, University of Sheffield (Sheffield, UK)

33. Alex Martsinkovsky, Homological algebra in degree zero and its applications, Northeastern University (Boston, MA, US), Co-authors: Jeremy Russell

34. Aleksandr Tsarev, Classes of finite rings, Jeju National University (Jeju-si, South Korea)

35. Fedir Sokhatsky, Symmetry in quasigroup theory, Vasyl Stus Donetsk National University (Vinnytsia, Ukraine)

36. Volodymyr Gavrylkiv, On automorphisms of superextensions of semigroups, Vasyl Stefanyk Precarpathian National University

(Ivano-Frankivsk, Ukraine)

37. Valeriu Popa, On some LCA groups with commutative \(\pi\)-regular ring of continuous endomorphisms, Institute of Mathematics and Computer Science

(Kishinew, Moldova)

38. Marina Kaluguina, The number of integer polynomials whose discriminants are divided by a large prime power, Faculty of Computer Systems and

Networks, Belarusian State University of Informatics and Radioelectroniks (Minsk, Belarus). Co-authors: Bernik V. I.

39. Ihor Shapochka, Chernikov groups and integral representations, Uzhhorod National University (Uzhhorod, Ukraine)

40. Лілія Скасків, Linear groups saturated by subgroups of finite central dimension, Університет державної фіскальної служби України (Ірпінь, Україна)

41. Микола Семко, Linear groups saturated by subgroups of finite central dimension, Університет державної фіскальної служби України (Ірпінь, Україна)

42. Tetiana Voloshyna, Cotransitive subsemigroups of the full transformation semigroup, Lesia Ukrainka Eastern European National University (Lutsk, Ukraine)

43. Oleksii Panasenko, TBA, Mykhailo Kotsiubynskyi Vinnytsia State Pegagogical University (Vinnytsia, Ukraine)

44. Aleksandr Pypka, On the structure of groups whose non-normal subgroups are core-free, Oles Honchar Dnipro National University (Dnipro, Ukraine).

Co-authors: L.A. Kurdachenko, I.Ya. Subbotin

45. Rostislav Grigorchuk, Can one hear the shape of a group? Texas A&M University (College Station, USA). Co-authors: Artem Dudko

46. Vasyl Ustimenko, On extremal graphs, affine Cremona semigroups and new solutions of Post Quantum Cryptography, University of Maria

Curie Sklodowska (Lublin, Poland). Co-authors: Olexandr Pustovit

47. Abednego Isere, ТВА, Ambrose Alli University (Ekpoma, Nigeria)

48. Temitope Jaiyeola, Basarab Loop and the Generators of its Total Multiplication Group, Obafemi Awolowo University (Ile-Ife, Nigeria).

Co-authors: Effiong, Gideon Okon

49. Yaroslav Ivanovich Grushka, Necessary and sufficient condition for the existence of one-point time on an oriented set, Institute of Mathematics

NAS of Ukraine (Kyiv, Ukraine)

50. Nikolaj Glazunov, Abelian varieties and p-divisible groups of Minkowski's conjecture concerning critical lattices of the region, its characteristic p > 0

analogues and expansions, National Aviation University (Kyiv, Ukraine)

51. Bohdan Zabavskyi, Commutative Bezout ring, which is a ring of neat range 1, Ivan Franko National University of Lviv (Lviv, Ukraine).

Co-authors: Domsha Olha

52. Olha Domsha, Commutative Bezout ring, which is a ring of neat range 1, Lviv Regional Institute for Public Administration of the National Academy for

Public Administration under the President of Ukraine (Lviv, Ukraine). Co-authors: Zabavskyi Bohdan

53. Оксана Ярова, Linear groups saturated by subgroups of finite central dimension, Університет державної фіскальної служби України (Ірпінь, Україна)

54. Alla Tarasevych, General solutions generalized ternary quadratic quasigroup functional equations of the length three, Khmelnytskyi National

University (Khmelnytskyi, Ukraine)

55. Alla Tarasevych, Classification of generalized ternary quadratic quasigroup functional equations of length three, Khmelnytskyi National University 

(Khmelnytskyi, Ukraine). Co-authors: Fedir Sokhatsky

56. Olexandr Pustovit, On Extremal Graphs, Affine Cremona Semigroups and New Solutions of Post Quantum Cryptography, Kyiv, Ukraine,

Co-authors: Vasyl Ustimenko 57. Anatoliy Petravchuk, Solvable Lie algebras of derivations of polynomial rings, Taras Shevchenko national university of Kyiv (Kyiv, Ukraine),

Co-authors: I. Klimenko, S. Lysenko 58. Svitlana Lysenko, Sovable Lie Algebra of derivations of Polinomial Rings, Kyiv Taras Shevchenko University (Kyiv, Ukraine)

59. Tetiana Lukashova, On non-periodic groups with non-Dedekind locally nilpotent norm of decomposable subgroups, Makarenko Sumy State Pedagogical

University (Sumy, Ukraine), Co-authors: F. Lyman, M. Drushlyak

60. Fedir Lyman, On non-periodic groups with non-Dedekind locally nilpotent norm of decomposable subgroups, Makarenko Sumy State Pedagogical

University (Sumy, Ukraine), Co-authors: T. Lukashova, M. Drushlyak 61. Tetiana Obikhod, Central charge and topological invariant of Calabi-Yau manifolds, Institute for Nuclear Research NAS of Ukraine (Kiev, Ukraine)

62. Bohdan Shavarovskii, Semiscalar equivalence of one class of 3-by-3 matrices, Pidstryhach Institute for Applied Problems of Mechanics

and Mathematics National Academy of Sciences of Ukraine (Lviv, Ukraine)

63. Jan Zemlicka, Variants of absolute direct summand property, Univerzita Karlova (Praha, Czechia)

64. Alexander Trofimuk, On the residual of a finite group with seminormal or subnormal factors, Gomel Francisk Skorina State University (Gomel, Belarus)

65. Andrii Sahan, Elementary reduction of idempotent matrices over semiabelian rings, Ivan Franko National University of Lviv (Lviv, Ukraine)

66. Vasyl Ustimenko, Can one hear the shape of permutation group?, University of Maria Curie Sklodowska (Lublin, Poland)

67. Oleg Gutik, On inverse submonoids of the monoid of almost monotone injective co-finite partial selfmaps of positive integers, Ivan Franko National University of Lviv (Lviv, Ukraine)

68. Volodymyr Derech, Classification of finite semigroups for which the inverse monoid of local automorphisms is a delta-semigroup, Vinnytsia National Technical University (Vinnytsia, Ukraine)

69. Roman Popovych, On multiplicative order of elements in finite field extension generated by a root of unity, Lviv Polytechnic National University (Lviv, Ukraine)

70. Ievgen Bondarenko, The duality in the affine actions on trees, Taras Shevchenko National University of Kyiv (Kyiv, Ukraine),

Co-authors: Dmytro Savchuk

71. Vasyl Chupordia, TBA, Oles Honchar Dnipro National University (Dnipro, Ukraine)

72. Nikolay T. Vorob'ev, On 𝜎-local Fitting sets, Masherov Vitebsk State University (Vitebsk, Belarus), Co-authors: Katherina Lantsetova

73. Katherina Lantsetova, On 𝜎-local Fitting sets, Masherov Vitebsk State University (Vitebsk, Belarus), Co-authors: Nikolay T. Vorob'ev

74. Natalia Didurik, Quasigroups with Some Bol-Moufang Type Identities, State University Dimitrie Cantemir (Chișinău, Moldova),

Co-authors: Victor Shcherbacov

75. Anatolii Zhuchok, The least dimonoid congruences on the free n-nilpotent trioid, Luhansk Taras Shevchenko National University (Starobilsk, Ukraine)

76. Yuliia Zhuchok, On the structure of free trioids, Luhansk Taras Shevchenko National University (Starobilsk, Ukraine)

77. Parascovia Sirbu, On total multiplication groups, Moldova State University (Chisinau, Republic of Moldova)

78. Kateryna Sysak, Solvable of rank one Lie algebras of derivations, National Transport University (Kyiv, Ukraine), Co-authors: A. Petravchuk

79. Tatyana Karaulova, On injectors and Fischer subgroups of a finite pi-soluble group, Masherov Vitebsk State University (Vitebsk, Belarus)

80. Nikolay T. Vorob'ev, On sigma-local Fitting classes, Masherov Vitebsk State University (Vitebsk, Belarus)

81. Tatsiana Vasilyeva, Finite groups with given properties of normalizers of Sylow subgroups, F. Scorina Gomel State University, Belarusian State University of Transport (Gomel, Belarus), Co-authors: Vasilyev Alexander, Melchanka Anastasiya

82. Alexander Vasilyev, Finite groups with given properties of normalizers of Sylow subgroups, F. Scorina Gomel State University, Belarusian State University of Transport (Gomel, Belarus), Co-authors: Vasilyeva Tatsiana, Melchanka Anastasiya

83. Yurii Baryshev, Models of Cryptography Transformations Based on Quasigroups, Vinnytsia National Technical University (Vinnytsia, Ukraine),

Co-authors: Luzhetskyi Volodymyr

84. Anastasiya Melchanka, Finite Groups with Given Properties of Normalizers of Sylow Subgroups, F. Scorina Gomel State University, Belarusian State University of Transport (Gomel, Belarus), Co-authors: Alexander Vasilyev, Tatsiana Vasilyeva

85. Halyna Zelisko, On Equivalence and Factorization of the Kronecker Product of Matrices, Lviv Ivan Franko University (Lviv, Ukraine),

Co-authors: Volodymyr Zelisko

86. Volodymyr Zelisko, On Equivalence and Factorization of the Kronecker Product of Matrices, Lviv Ivan Franko University (Lviv, Ukraine),

Co-authors: Halyna Zelisko

87. Nataliya Golovashchuk, Some homological property of simply connected bimodule problems with quasi multiplicative basis, Taras Shevchenko National University of Kyiv (Kyiv, Ukraine), Co-authors: Vyacheslav Babych

88. Vyacheslav Babych, Some homological property of simply connected bimodule problems with quasi multiplicative basis, Taras Shevchenko National University of Kyiv (Kyiv, Ukraine), Co-authors: Nataliya Golovashchuk

89. Nikolay T. Vorob'ev, About the properties of injectors in Fitting sets, Masherov Vitebsk State University (Vitebsk, Belarus), Co-authors: Tatsiana Petrova

90. Tatsiana Petrova, About the properties of injectors in Fitting sets, Masherov Vitebsk State University (Vitebsk, Belarus), Co-authors: Nikolay T. Vorob'ev

91. Oleh Romaniv, J-Noetherian Bezout domain which are not of stable range 1, Ivan Franko National University of Lviv (Lviv, Ukraine),

Co-authors: Bohdan Zabavsky

92. Viktoria Gritskova (Kovaleva), On 𝜎-nilpotency of finite groups, Francisk Skorina Gomel State University (Gomel, Belarus)

93. Roman Oliynyk, On the lattice of quasi-filters of left congruence on simple inverse semigroups, Ivan Franko National University of Lviv (Lviv, Ukraine)

94. Vasily Safonov, Separability of the Lattice of Τ-Closed Totally Ω-Composition Formations of Finite Groups, Belarusian State University (Minsk, Belarus), Co-authors: I.P. Los

95. Ivanna Melnyk, Some subsemimodules of differential semimodules satisfying the ascending chain condition, Ivan Franko National University of Lviv

(Lviv, Ukraine)

96. Alexander Vasilchenko, Properties of quotient modules composed of annihilator modules in Steenrod algebra, Samara, Russian Federation

97. Valeriia Shramko, Partition of Gaussian integers into a product of power-free numbers, Odessa, Ukraine

98. Vasyl Laver, Rota-type operators on a commutative modular group algebra, Uzhhorod National University (Uzhhorod, Ukraine), Co-authors: Victor Bovdi

99. Leonid Bedratyuk, The specialized characters of the representation of the Lie algebra sl_3 in terms of q- and (q, p)-numbers, Khmelnytskyi National University, Glukhiv National Pedagogocal University (Хмельницький, Україна), Co-authors: Ivan Kachuryk

100. Hanna Vaitkevich, On the characteristic of Fischer class, Masherov Vitebsk State University (Vitebsk, Belarus), Co-authors: Sergey Vorob'ev

101. Viachaslau Murashka, On the A-F-Hypercenter of Finite Groups, Francisk Skorina Gomel State University (Gomel, Belarus)

102. Anatolii Dmytruk, Bezout Rings with Nonzero Principal Jacobson Radical, Ivan Franko National University of Lviv (Lviv, Україна), Co-authors: Andrii Gatalevych

103. Bogdan Popovych, Finite field elements of high order on a base of modified Gao approach, Lviv Polytechnic National University (Lviv, Ukraine)

104. Mariia Kuchma, A matrix representation of Fibonacci and Lucas polynomials, Lviv Polytechnic National University (Lviv, Ukraine)

105. Vsevolod Martseniuk, Integer solutions of implicit linear difference equations of the second order, V. N. Karazin Kharkiv National University (Kharkiv, Ukraine), Co-authors: Sergiy Gefter, Aleksey Piven'

106. Vasil Petechuk, Residual and fixed modules, Transcarpathia (Uzhhorod, Ukraine), Co-authors: Yuliia Petechuk

107. Yuliia Petechuk, Residual and fixed modules, Transcarpathia (Uzhhorod, Ukraine), Co-authors: Vasil Petechuk

108. Микола Вікторович Працьовитий, Алгебраїчні структури у теорії фракталів (фрактальній геометрії та фрактальному аналізі), Інститут математики НАН України, НПУ імені М.П. Драгоманова (Київ, Україна)

109. Vladislav Yurashev, On adjoint groups of radical rings, Institute of mathematics of NAS of Ukraine (Kyiv, Ukraine)

110. Ірина Миколаївна Лисенко, Системи кодування дійсних чисел з нескінченним алфавітом і математичні об'єкти з фрактальними властивостями, НПУ імені М.П. Драгоманова (Київ, Україна), Соавтори: Працьовитий Микола Вікторович

111. Alexander Tylyshchak, On irreducibility of monomial matrices of order 7 over local rings, Uzhhorod National University (Uzhhorod, Ukraine)

112. Orest Artemovych, FC-rings, Cracow University Of Technology (Krakow, Poland)

113. Софія Петрівна Ратушняк, Математичні структури з фрактальними властивостями у просторі послідовностей нулів та одиниць, Інститут математики НАН України (Київ, Україна), Соавтори: Працьовитий Микола Вікторович

114. Inna Los, Separability of the Lattice of Τ-Closed Totally Ω-Composition Formations of Finite Groups, Belarusian State University (Minsk, Belarus),

Co-authors: Safonov V.G.

115. Oleksiy Zelenskiy, Permutation Kirichenko’s latins square, Kamyanets-Podilsky Ivan Ohienko National University (Kamyanets-Podilsky, Ukraine),

Co-authors: Zhuravlev V. M.

116. Pavlo Khylynskyi, On Bruck-Reilly λ-extensions of semigroups, Ivan Franko National University of Lviv (Lviv, Ukraine), Co-authors: Oleg Gutik

117. Володимир Любашенко, Filtered cocategories, Institute of mathematics (Kyiv, Ukraine)

118. Юлія Маслова, Геометрія числових рядів і двосимвольні системи кодування дійсних чисел, НПУ імені М.П. Драгоманова (Київ, Україна), Соавтори: Гончаренко Яніна, Лисенко Ірина

119. Yuriy Ishchuk, On semicommutative semigroups and abelian polygons, Ivan Franko National University of Lviv (Lviv, Ukraine)

120. Mariya Bortosh, Reducibility of canonical t-cyclic monomial matrices over commutative local rings, Uzhhorod National University (Uzhhorod, Ukraine)

121. Oleksandra Desiateryk, TBA, Taras Shevchenko national university of Kyiv (Kyiv, Ukraine)

122. Vitaliy M. Bondarenko, On the classification of the serial principal posets, Institute of Mathematics of NAS of Ukraine (Kyiv, Ukraine),

Co-authors: Maryna Styopochkina

123. Maryna Styopochkina, On the classification of the serial principal posets, Department of Higher and Applied Mathematics, Zhytomyr National Agroecological University (Zhytomyr, Ukraine), Co-authors: Vitaliy M. Bondarenko

124. Olga Pyliavska, Extensions of finite fields and some class of special p-groups, National University of Kyiv-Mohyla Academy (NaUKMA) (Kyiv, Ukraine)

125. Yurii Zhuchok, Representations of ordered doppelsemigroups, Luhahsk Taras Shevchenko National University (Starobilsk, Ukraine)

126. Inna Safonova, On sublattices of the lattice of multiply saturated formations of finite groups, Belarusian State University (Minsk, Belarus),

Co-authors: V. G. Safonov

127. Ilya Gekhtman, Martin and Floyd boundaries for relatively hyperbolic groups, University of Toronto (Toronto, Canada), Co-authors: Leonid Potyagailo, Victor Gerasimov, Wenyuan Yang

128. Bogdan Ponomarchuk, Metric dimension of metric transform and wreath product, National University of Kyiv-Mohyla Academy (Kyiv, Ukraine)

129. Ilya Gekhtman, Green metric, Ancona inequalities and Martin boundary for relatively hyperbolic groups, University of Toronto (Toronto, Canada),

Co-authors: Leonid Potyagailo, Victor Gerasimov, Wenyuan Yang

130. Sergiy Gefter, Integer solutions of implicit linear difference equations of the second order, V. N. Karazin Kharkiv National University (Kharkiv, Ukraine), Co-authors: Leonid Potyagailo, Victor Gerasimov, Wenyuan Yang

131. Olga Savastru, Higher Power Moments of The Riesz Mean Error Term of Hybrid Symmetric Square L-Function, Department of Computer Algebra and Discrete Mathematics, I.I. Mechnikov Odessa National University (Odessa, Ukraine)

132. Tatiana Rotari, University of City, On The Conjugate Sets Of IP-Quasigroups, "Alecu Russo" (Balti, Moldova)

133. Diana Kirka, Canonical solutions of functional equation of generalized mediality, Vasyl' Stus Donetsk National University (Vinnytsia, Ukraine),

Co-authors: Sokhatsky Fedir

134. Yevhen Pirus, Classification of quasigroups according to their parastrophic symmetry groups, Donetsk Regional Center for Educational Quality Assessment (Sloviansk, Ukraine)

135. Iryna Raievska, Some special p-groups and nearrings with identity, Institute of mathematics of NAS of Ukraine (Kyiv, Ukraine), Co-authors: Maryna Raievska

136. Maryna Raievska, Some special p-groups and nearrings with identity, Institute of mathematics of NAS of Ukraine (Kyiv, Ukraine), Co-authors: Iryna Raievska

137. Yuliia Andreieva, On reducibility of uncancellable generalized functional equations, Vasyl' Stus Donetsk National University (Vinnytsia, Ukraine),

Co-authors: Halyna V. Krainichuk, Arsen Akopyan

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