Programme 2024

Programme of 16th International Summer School-Conference

“Problems Allied to Model Theory and Universal Algebra”

(Conference Hall at Sobolev Institute of Mathematics, Novosibirsk time, GMT+7, online streaming https://imsoran.ktalk.ru/hilwpnoffy26)

July 8, Monday

Chairperson S.V. Sudoplatov

8:55 – 9:00 Opening Ceremony

9:00 – 9:50 A.E. Mironov (Novosibirsk, Russia), Алгебраическая гипотеза Биркгофа об интегрируемых бильярдах (Birkhoff’s algebraic conjecture on integrable billiards)

10:00 – 10:50 M. Shahryari (Muscat, Oman), On conjugately separability of nilpotent subgroups and equational domains

11:00 – 11:30 G. Czédli (Szeged, Hungary), From Maltsev conditions to a duality theorem (online)

11:30 – 12:10 Coffee break

12:10 – 13:00 N.Kh. Kasymov (Tashkent, Uzbekistan), Вычислимо отделимые алгоритмические представления универсальных алгебр с условиями конечности (Computably separable algorithmic representations of universal algebras with finiteness conditions) (online)

Chairperson B.Sh. Kulpeshov

15:00 – 15:50 B.P. Poizat (Lyon, France), Parameters in Algebraically Closed Fields (online)

15:50 – 16:30 Coffee break

16:30 – 17:00 A.A. Iwanow (Gliwice, Poland), Generic groups and the weak amalgamation property (online)

17:00 – 17:30 M.I. Bekenov (Astana, Kazakhstan), О модельных компаньонах некоторых теорий (On model companions of some theories)

17:30 – 18:00 N.D. Markhabatov (Astana, Kazakhstan), Об аппроксимациях псевдоконечных теорий (On approximations of pseudofinite theories)

18:00 – 18:30 D.V. Solomatin (Omsk, Russia), Строение полгрупп, допускающих обобщенные внешнепланарные графы Кэли (Structure of semigroups admitting generalized outerplanar Cayley graphs) (online)

July 9, Tuesday

Chairperson V.V. Verbovskiy

9:00 – 9:50 A.I. Stukachev (Novosibirsk, Russia), О структурах на сигнатурах структур (Structures on signatures of structures)

10:00 – 10:50 N.L. Polyakov (Moscow, Russia), Ультрарасширения бесконечноместных функций: универсально-алгебраические аспекты (Ultrafilter extensions of infinitary functions: universal algebraic aspects)

10:50 – 11:30 Coffee break

11:30– 12:20 I.B. Kozhukhov (Moscow, Russia), Условия конечности в полигонах над полугруппами (Finiteness conditions in acts over semigroups)

12:20 – 13:00  A.A. Stepanova, E.L. Efremov, S.G. Chekanov (Vladivostok, Russia), Псевдоконечные полигоны над абелевыми группами (Pseudofinite polygons over Abelian groups)

Chairperson M. Shahryari

15:00 – 15:40 E.V. Vassiliev (Corner Brook, Canada), Small closure in pairs of geometric structures

15:40 – 16:10 V.V. Verbovskiy (Almaty, Kazakhstan), On pure linear orderings of Morley o-rank 1 (joint with A. D. Yershigeshova)

16:10 – 16:30 Coffee break

16:30 – 17:00 I.A. Sakharov (Vladivostok, Russia), О возможных степенях семантической и синтаксической жесткости унаров (On possible degrees of semantic and syntactic rigidity of unars) (online)

17:00 – 17:30  V.L. Usol’tsev (Volgograd, Russia), Полумодулярность класса всех конгруэнц-алгебр Риса произвольной фиксированной сигнатуры (Semimodularity of the class of all congruence Ries algebras of an arbitrary fixed signature)

17:30 – 18:00 A.R. Yeshkeyev, I.O. Tungushbayeva (Karaganda, Kazakhstan), Свойства йонсоновского спектра и его класса моделей (Properties of the Jonsson spectrum and its class of models) (online)

18:00 – 18:30 A.R. Yeshkeyev, A.K. Koshekova (Karaganda, Kazakhstan), Косемантичность оболочек Кайзера определимых подмножеств семантической модели фиксированной йонсоновской теории (Cosemanticity of Kaiser hulls of definable subsets of the semantic model of a fixed Jonsson theory) (online)

18:30 – 19:00 A.R. Yeshkeyev, A.R. Yarullina (Karaganda, Kazakhstan), Jonsson existentially closed unars of expanded signature (online)

19:00 – 19:30 S.M. Amanbekov (Karaganda, Kazakhstan), On semantic Jonsson quasivariety of undirected graphs (online)

July 10, Wednesday

Free day

July 11, Thursday

Chairperson P.S. Kolesnikov

9:00 – 9:50 B.S. Baizhanov (Almaty, Kazakhstan),  Expansion of a model of stable theory (online)

10:00 – 10:30 V.N. Zhelyabin (Novosibirsk, Russia), Simple and semisimple finite-dimensional Novikov algebras (online)

10:40 – 11:30 A.S. Zakharov, V.N. Zhelyabin (Novosibirsk, Russia), Простые конечномерные алгебры Новикова над полем простой характеристики (Simple finite-dimensional Novikov algebras over a field of prime characteristic)

Coffee break 11:30 – 12:00

12:00 – 12:40 A.S. Monastyreva (Barnaul, Russia), Графы делителей нуля конечного кольца (Zero divisor graphs of a finite ring)

Chairperson N.L. Polyakov

15:00 – 15:30 A,V, Kartashova (Volgograd, Russia),  О решетках топологий коммутативных унарных алгебр (On lattices of topologies of commutative unary algebras)

15:30 – 16:00 N.A. Shchuchkin (Volgograd, Russia), Тернарные квазигруппы и их приложения в криптографии (Ternary quasigroups and their applications in cryptography)

16:00 – 16:30 Coffee break

16:30 – 17:00  V.A. Molchanov, R.A. Farakhutdinov (Saratov, Russia), Конкретная характеризация частично определенных графовых автоматов (Specific characterization of partially defined graph automata) (online)

17:00 – 17:30 G.S. Suleymanova (Abakan, Russia), О централизаторах графовых автоморфизмов алгебр Шевалле и их точных обертывающих алгебр (On centralizers of graph automorphisms of Chevalley algebras and their faithful enveloping algebras) (online)

17:30 – 18:00 K. Tahri (Tlemcen, Algeria),  Existence and Uniqueness Solution for Biharmonic Kirchhoff Equation with Singular Term (online)

July 12, Friday

Chairperson I.B. Kozhukhov

9:00 – 9:50 P.S. Kolesnikov (Novosibirsk, Russia), Дендриформное расщепление многообразий и лемма Донга (Dendriform splitting of varieties and the Dong Lemma)

10:00 – 10:50 A.P. Pozhidaev (Novosibirsk, Russia), Прелиевы дубли Витта (Pre-Lie Witt doubles)

10:50 – 11:30 Coffee break

11:30 – 12:20 F.A. Dudkin (Novosibirsk, Russia), Универсальная эквивалентность обобщенных групп Баумслага-Солитера (Universal equivalence of generalized Baumslag-Solitaire groups)

12:30 – 13:00 H. Alhussein, P.S. Kolesnikov (Novosibirsk, Russia),  Hochschild cohomology of the Weyl conformal algebra

Chairperson E.V. Vassiliev

15:00 – 15:30 A.V. Chekhonadskikh (Novosibirsk, Russia), Алгебраические аспекты оптимизации в полиномиальном синтезе систем автоматического управления (Algebraic aspects of optimization in polynomial synthesis of automatic control systems)

15:30 – 16:00 D.Yu. Emelyanov (Novosibirsk, Russia), Алгебры бинарных формул для произведений графов (Algebras of binary formulas for products of graphs)

16:00 – 16:30 Coffee break

16:30 – 17:00 I.A. Emelyanenkov  (Novosibirsk, Russia), Диаграммный подход к изучению счётных моделей полных теорий (A diagrammatic approach to the study of countable models of complete theories)

17:00 – 17:30 S.B. Malyshev  (Novosibirsk, Russia), Наследуемость типов предгеометрий композицией относительно исходных структур (Heritability of pregeometry types by composition relative to the original structures)

17:30 – 18:00 A.V. Vaseneva  (Novosibirsk, Russia), О рангах эквациональности (On ranks of equationality)

18:00 – 18:30 A.S. Savin  (Novosibirsk, Russia), Некоторые спектры сферической упорядочиваемости конечных групп (Some spectra of spherical orderability of finite groups)

July 13, Saturday

Chairperson A.A. Stepanova

9:00 – 9:50 B.Sh. Kulpeshov (Almaty, Kazakhstan), S.V. Sudoplatov (Novosibirsk, Russia), Variations of rigidity for ordered and strongly minimal theories

10:00 – 10:30 B.Sh. Kulpeshov (Almaty, Kazakhstan), In.I. Pavlyuk, S.V. Sudoplatov (Novosibirsk, Russia), Pseudo-countably-categorical theories

10:30 – 11:00 Coffee break

11:00 – 11:50 S.V. Sudoplatov (Novosibirsk, Russia), Forty years with Model Theory

11:50 Closing Ceremony