Program

The PDF file with the program is here

You can download the book of abstracts from pca2025_book.pdf

September 29

Euler Institute, Pesochnaya nab. 10
The link to the Zoom channel of PCA is in your personal account
09:30 — 10:00 Registration, coffee
10:00 — 10:10 Opening the conference
10:10 — 11:00 Vladimir Kornyak (Joint Institute for Nuclear Research)
Do Quantum States Have to Be Continuous? Galois Fields and Multiparticle Quantum Systems
11:00 — 11:30 Yuri Blinkov (Saratov State University)
Investigation of the Error of Finite Difference Schemes for the KdV Equation Using the First Differential Approximation
11:30 — 12:00 Coffe break
12:00 — 13:00 Viktor Kadrov, Mikhail Malykh, Alina Trusova, Lyubov Lapshenkova, and Ilshat Dulatov (Peoples’ Friendship University of Russia named after Patrice Lumumba)
On closed invariant sets of reversible difference schemes
13:00 — 13:30 Lyubov Lapshenkova (Peoples' Friendship University of Russia)
On new method to construct reversible difference schemes
13:30 — 15:00 Lunch
15:00 — 15:30 Victor F. Edneral (Lomonosov Moscow State University)
On the first integral of the Li\'enard system with fourth-order nonlinearity
15:30 — 16:00 Mikhail Malykh, Anton Mamonov (Peoples’ Friendship University of Russia named after Patrice Lumumba)
To the theory of involutive divisions
16:00 — 16:30 Coffee break
16:30 — 17:00 Egor Moschjonok (National University of Science and Technology MISiS)
Animation of a satellite's orientation in free flight
17:00 — 17:30 Sergey Gutnik (Moscow State Institute of International Relations (MGIMO University))
Symbolic Computation of the Periodic Oscillations of a Two-Body System in the Plane of an Elliptic Orbit
17:30 — 18:00 Yuri Blinkov (Saratov State University)
PyGInv: A package for researching and solving polynomial and differential systems, and building finite difference schemes
18:00 — 18:30 Andrei Pranevich (Yanka Kupala State University of Grodno)
Spectral method of building first integrals for linear differential systems
18:30 — 21:30 Welcome party

September 30

10:00 — 10:30 Semjon Adlaj (Dorodnicyn Computing Centre of the RAS)
Applying Polynomial Computer Algebra to Geometrically Construct Regular Polygons
10:30 — 11:00 Yurii Nikonorov (Southern Mathematical Institute of VSC RAS)
Applications of polynomial computer algebra in geometry
11:00 — 11:30 Coffee break
11:30 — 12:00 Victor Selivanov, Svetlana Selivanova (Saint Petersburg University, Novosibirsk University)
Symbolic vs Numeric: relating computations in discrete and continuous structures
12:00 — 12:30 Leonid Chilikov, Victor Selivanov (Saint Petersburg state university, Faculty of Mathematics and Computer Science)
Ordered fields and Grzegorczyk hierarchy
12:30 — 13:00 Dmitry Dolgov (Kazan Federal University)
On the new k-ary gcd algorithm
13:00 — 15:00 Lunch
15:00 — 15:30 Yuri Matiyasevich (Steklov Institute of Mathematics at St. Petersburg)
Dirichlet $L$-functions, lower gamma-function, and Touchard polynomials
15:30 — 16:00 Rachid Mammeri , Nabil bennenni , Aicha Batoul (University of Science and Technology Houari Boumédiène,.Algiers,Algeria)
Structural Properties of Double and Triple Skew Cyclic Codes
16:00 — 16:30 Nikolai Proskurin (PDMI )
Numerical observations on some multiplicative exponential sums
16:30 — 17:00 Coffee break
17:00 — 17:30 Stepan Samulevich (Saint-Petersburg state electrotechnical university)
Ramanujan-Type Formulas for the Cl-Type Clausen Functions
17:30 — 18:00 Alexander Sakharov (Synstretch)
Recursive Multi-Valued Logic Models

October 01

10:00 — 10:30 Vladimir Ryabov (Independent researcher)
On another definition of nonlinearity of vectorial functions over finite fields
10:30 — 11:00 Gleb Nenashev (SPBU)
Graphical Kirchhoff's algebras
11:00 — 11:30 Coffee break
11:30 — 12:00 Fedor Petrov (Saint Petersburg State University)
Block sensitivity and degree
12:00 — 12:30 Alexander Chistov (St. Petersburg Depatment of Steklov Mathematical Institute of the Academy of Sciences of Russia)
On a criterion for reducibility of polynomials over the ring of multivariable power series in zero characteristic
12:30 — 13:15 Alexey Kanel-Belov (Bar-Ilan University)
Алгоритмическая неразрешимость проблемы делителей нуля в алгебрах с конечным базисом гребнера
13:15 — 15:00 Lunch
15:00 — 15:30 Gaiane Panina (Санкт-Петербургское отделение Математического института им. В.А.Стеклова РАН)
A new proof of Milnor-Wood theorem
15:30 — 16:00 Nikita Gogin, Vladislav Shubin (Stockholm University)
The Prime Power Conjecture for Projective Planes
16:00 — 16:30 Coffe break
16:30 — 17:20 Eugene Zima (Wilfrid Laurier University)
Efficient modular arithmetic from polynomial point of view
17:20 — 17:50 Alexandr Seliverstov (Institute for Information Transmission Problems of the Russian Academy of Sciences)
On Some Submatrix of the Macaulay Matrix
17:50 — 18:20 Ksaverii Malyshev (Skobeltsyn Institute of Nuclear Physics, Patrice Lumumba Peoples' Friendship University of Russia)
On the Grinberg problem and its symbolic solution

October 02

10:00 — 10:30 Egor Malyutin (Saint Petersburg Electrotechnical University "LETI")
WiseTask: Algorithms for Self-Checking Problems and Intelligent Tutoring Systems
10:30 — 11:00 Victoria Kazakevich (Saint-Petersburg Electrotechnical State University "LETI")
Mathematical education of engineers in model theory terms
11:00 — 11:30 Coffeee break
11:30 — 12:00 Ljudmila A. Bordag (MLIT JINR, Dubna, Moscow region)
On mathematical issues of errors suppressing in single-qubit gates
12:00 — 12:30 Georgii Khaziev (Institute for Information Transmission Problems (Kharkevich Institute) Russian Academy of Sciences)
Picking an Imperfect Palindrome
12:30 — 13:00 Ioannis Parasidis (Greece, University of Thessaly, Department of Environmental Sciences,)
Successive approximations of exact solutions to nonlocal boundary value problems with partial differential equations
13:00 — 15:00 Lunch
15:00 — 16:00 Sergey Nikolenko (Steklov Institute of Mathematics at St. Petersburg)
AI in Research: Hype or Takeoff?
16:00 — 16:30 Coffee break
16:30 — 17:00 Egor Smirnov-Maltsev (People's friendship university of Russia)
Combinatorial proof of geometric properties of Young diagrams of maximum dimension
17:00 — 17:30 Andrei Malyutin (St. Petersburg Department of Steklov Mathematical Institute of Russian Academy of Sciences)
Four-valent graphs and locally free monoids
17:30 — 18:00 Nikolay Vasilyev (St.Petersburg Department of Steklov Institute of Mathematics)
About involutions on paths in Schur graph
Conference party. Furshet

October 03

10:00 — 10:30 Boris Zolotov, Nikita Gaevoy, and Alexander Tiskin
New approaches to periodic and local string comparison with sticky braids
10:30 — 11:00 Daniil Zolotarev, Alexandr Tiskin (Saint Petersburg State University)
Approximation methods for the Chvatal-Sankoff constant
11:00 — 11:30 Coffee break
11:30 — 12:00 Sergei Presnyakov, Alexander Tiskin (Saint-Petersburg University )
The Permuton Hecke Monoid: An Algebraic Framework for Weighted Sequence Alignment
12:00 — 12:30 Iaroslav Blagouchine (St. Petersburg Department of Steklov Mathematical Institute of the Russian Academy of Sciences)
On some particular cases of finite Dirichlet series with reciprocal trigonometric functions
12:30 — 13:00 Dimitar Mladenov (Sofia University; Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences)
On factorizing form of integrity basis of polynomial SU(2)хSU(2)-invariants of 2-qubits
13:00 — 14:30 Lunch
14:30 — 15:30 Alexander Bruno, Alexander Batkhin (The Stephen B. Klein Faculty of Aerospace Engineering, Technion – Israel Institute of Technology)
Studying integrability of the Euler-Poisson Equations with Computer Algebra and Normal Form Technique
15:30 — 16:00 Alijon Azimov, Alexander Bruno (Samarkand state university after Sh.Rashidov)
Asymptotic parametric expansions of an algebraic variety at infinity
16:00 — 16:30 Coffee break
16:30 — 17:00 Sergei Soloviev (IRIT, Université de Toulouse)
Theory of Proofs and Mac Lane's Conjecture
17:00 — 19:30 Closing the conference. After conference party and discussion.

History

Publications

Conference publications