Programme
of the 15th International Summer School-Conference
“Problems Allied to Model Theory and Universal Algebra”, Erlagol-2023
June 21, Wednesday (online)
Chairman S. Sudoplatov
07:55 – 08:00 Conference opening
08:00 – 08:50 E. Vassiliev (Corner Brook, Canada), On dense/co-dense expansions of geometric theories
09:30 – 10:20 D. Fazio (Teramo, Italy), S. Odintsov (Novosibirsk, Russia), On algebraic semantics of connective logics
10:30 – 11:20 A. Stukachev (Novosibirsk, Russia), Algorithmic aspects of intensional logic
11:30 – 12:20 V. Rybakov (Krasnoyarsk, Russia), Unification and Admissibility Problems in Modal Logics via Projective Formulas
Chairman N. Kasymov
14:00 – 14:30 A. Iwanow, M. Drzewicka, B. Mokry (Gliwice, Poland), Generics in invariant subsets of highly transitive permutation groups
14:30 – 15:00 M. Shahryari (Muscat, Oman), On the geometric equivalence of some classes of algebras with their filtered products
15:00 – 15:30 I. Kozhukhov, D. Manilov, A. Reshetnikov (Moscow, Russia), Definability of relations by semigroups of isotone transformations
15:30 – 16:00 V. Molchanov, R. Farakhutdinov (Saratov, Russia), On the problem of axiomatization of some classes of universal graph semiautomats
17:00 – 17:30 A. Basheeva (Astana, Kazakhstan), S. Lutsak (Petropavlovsk, Kazakhstan), On the basability of quasivarieties generated by certain finite modular lattices
17:30 – 18:00 R. Sklinos (Beijing, China), O. Kharlampovich (New York, USA), Randomness in Model Theory
18:00 – 18:30 G. Czédli (Szeged, Hungary), Generating quasiorder lattices and some other lattices by few elements
June 22, Thursday (online)
Chairman V. Gubarev
9:00 – 9:50 B. Baizhanov (Almaty, Kazakhstan), Some questions of expansion of models of complete theories
10:00 – 10:30 S. Kabanikhin, Sh. Lu (Novosibirsk, Russia), Neural network regularization methods
11:30 – 12:00 V. Zhelyabin, P. Kolesnikov (Novosibirsk, Russia), Dual coalgebras of n-Lie Jacobian algebras of polynomial rings
12:00 – 12:30 A. Zakharov (Novosibirsk, Russia), On simple Novikov-Poisson algebras
12:30 – 13:00 I. Pavlyuk (Pavlodar, Kazakhstan), In. Pavlyuk (Novosibirsk, Russia), On the solution of congruences with respect to the commutativity relation in groups.
Chairman A. Iwanow
14:00 – 14:30 A. Litavrin, T. Moiseenkova (Krasnoyarsk, Russia), On some groupoids associated with compositions of multilayer neural networks with direct signal propagation
14:30 – 15:00 D. Solomatin (Omsk, Russia), Investigation of the planarity property of Cayley graphs with respect to free semigroups
15:00 – 15:30 N. Markhabatov (Astana, Kazakhstan), On types of approximation of acyclic graph theories
15:30 – 16:00 G. Suleimanova (Abakan, Russia), Commutative subalgebras of the highest dimension of Chevalley algebras over a field
June 24, Saturday (offline)
Chairman S. Sudoplatov
10:00 – 10:50 A. Mironov (Novosibirsk, Russia), On commutative subalgebras in the first Weyl algebra
11:00 – 11:50 B. Kulpeshov (Almaty, Kazakhstan), The countable spectrum of weakly o-minimal theories of finite convexity rank
Chairman B. Kulpeshov
15:00 A. Pinus (Novosibirsk, Russia), Definability of universal algebras by semigroups of their transformations
15:30 E. Efremov, A. Stepanova, S. Chekanov (Vladivostok, Russia), On the pseudofiniteness of polygons
16:00 D. Churikov (Novosibirsk, Russia), Size of the minimal generating set of a primitive 3/2-transitive group.
16:30 E. Shaporina (Novosibirsk, Russia), On a subgroup of the outer automorphism group of a generalized cyclic extension of a free group of rank 3.
June 25, Sunday (offline)
Chairman A. Stepanova
10:00 – 10:50 P. Kolesnikov (Novosibirsk, Russia), Derived varieties, Novikov–Poisson algebras, and conformal algebras
11:00 – 11:50 V. Verbovskiy (Almaty, Kazakhstan), On symmetric functions in Hrushovski’s strongly minimal examples
12:00 – 12:50 S. Sudoplatov (Novosibirsk, Russia), Variations of rigidity.
Chairman F. Dudkin
15:00 – 15:30 K.Tulenbaev K.M. (Almaty, Kazakhstan), Structural properties of Chaudhary algebras
15:30 – 16:00 N. Polyakov, D.Savel’ev (Moscow, Russia), On ultraextensions of some algebraic constructions and their combinatorial applications
16:00 – 16:30 A. Chekhonadskikh (Novosibirsk, Russia), Algebraic approach to the stabilization of non-classical dynamical systems
16:30 – 17:00 D. Emelyanov (Novosibirsk, Russia), Algebras of binary isolating formulas for operations on theories
17:00 – 17:30 In. Pavlyuk (Novosibirsk, Russia), On algebraic and definable closures for abelian group theories
June 26, Monday
Tour day
June 27, Tuesday (offline)
Chairman V. Verbovskiy
10:00 – 10:50 A. Pozhidaev (Novosibirsk, Russia), Simple pre-Lie algebras: Endomorphs, Burde and Mizuhara algebras
11:00 – 11:50 F. Dudkin (Novosibirsk, Russia), Elements of finite order in groups of outer automorphisms for generalized Baumslag — Solitaire groups
12:00 – 12:50 V. Gubarev (Novosibirsk, Russia), Bourdet series of prime prelie algebras
Chairman A. Pozhidaev
15:00 – 15:30 A. Panasenko (Novosibirsk, Russia), Radicals of Novikov algebras
15:30 – 16:00 O. Bryukhanov, A. Ivleva (Popova) (Novosibirsk, Russia), Calculation of the conjugation matrix of automorphisms of integer group rings
16:00 – 16:30 I. Uktamaliev (Novosibirsk, Russia; Namangan, Uzbekistan) Models of theories of commutative monoids and semigroups
16:30 – 17:00 S. Malyshev (Novosibirsk, Russia), Closure operators in cubic and acyclic theories
17:00 Closing Ceremony