##### Postdoc

Email: vsopin _at_ simis.cn

Research Fields: Representation Theory, Category Theory, LCFT

Office No.:

## Bio

Valerii SOPIN is a Postdoc Research Scholar at Shanghai Institute for Mathematics and Interdisciplinary Sciences (SIMIS). Recently, he received his PhD in Mathematical Sciences from Tsinghua University. He obtained master’s degrees in Mathematical Sciences and Computer Sciences from the best Universities in Russia. His current research interests include representation theory and category theory.

## Education Experience

- 2019 – 2024 Yau Mathematical Sciences Center, Tsinghua University (PhD)
- 2018 Graduate School of Mathematical Sciences, The University of Tokyo (internship)
- 2014 – 2018 Faculty of Mathematics, Higher School of Economics (Master of Science/University Teacher)
- 2012 – 2014 Faculty of Computational Mathematics and Cybernetics, Lomonosov Moscow State University (Master of Science)
- 2008 – 2012 Faculty of Mathematics, Mechanics and Computer Science, Southern Federal University (Bachelor of Science)

## Work Experience

- 2024 SE42, Beijing, China: Analyst, Building mathematical Large-scale Language Models
- 2020 – 2021 TSINGHUA UNIVERSITY, Beijing, China: Teacher Assistant, Liner algebra and Calculus
- 2019 SAS, Moscow, Russia: Junior consultant, Analytics for graph models
- 2018 UNIVERSITY OF TOKYO, Tokyo, Japan: Teacher Assistant, Machine Learning and Statistics
- 2017 – 2018 SBERBANK, Moscow, Russia: Data scientist, Fraud Prevention with Machine Learning, Python
- 2013 – 2014 KASPERSKY LAB, Moscow, Russia: Trainee developer of Cloud Infrastructure Research, C#

## Honors and Awards

- Chinese Government Scholarship
- Yau Mathematical Sciences Center Scholarship
- Higher School of Economics Scholarship
- Faculty of Computational Mathematics and Cybernetics Scholarship
- Moscow Government Scholarship
- Russian Government Scholarship
- Vladimir Potanin Fund Scholarship

## Publications

- V. Sopin, Ergodic dynamical systems over the cartesian power of the ring of p-adic integers, P-Adic Numbers, Ultrametric Analysis, and Applications, 6:4 (2014).
- V. Sopin, A new algorithm for solving the rSUM problem, arXiv:1407.4640 (2014).
- V. Sopin, PH vs PSPACE, arXiv:11411.0628 (2014).
- V. Sopin, Criteria of measure-preserving for 𝑝^𝑘-Lipschitz mappings, P-Adic Numbers, Ultrametric Analysis, and Applications, 7:1 (2015).
- V. Sopin, B. L. Feigin, Combinatorics of a Statistical Model Constructed from the 2×𝑛 Square Lattice, Functional Analysis and Its Applications, 51:4 (2017).
- V. Sopin, Construction of an algebra corresponding to a statistical model of the square ladder (square lattice with two lines), Nuclear Physics B, 980, 115830 (2018).
- V. Sopin, Quantum Lichnerowicz – Poisson complex, arXiv:2107.07162 (2021).
- V. Sopin, Generalized Graph Complexes: the Splitting into a Complete Graph, EasyChair Preprint no. 10210 (2023).
- V. Sopin, Riemann Hypothesis: Redheffer matrix and semi-infinite construction, HAL preprint hal-04162860 (2023).
- V. Sopin, R. McRae, Fusion and (non)-rigidity of Virasoro Kac modules in logarithmic minimal models at (p,q)-central charge, Physica Scripta, 99(3), Paper No. 035233 (2024).