Topchii Valentin Alekseevich

Employee

Science activity

Articles - 23 , Conference theses - 2 , Conference attendances - 4

Articles (23) More info

1	Topchii V.A. Properties of critical branching random walks on the line under non-extinction condition Discrete Mathematics and Applications. 2025. V.35. N3. P.187-202. DOI: 10.1515/dma-2025-0014 WOS Scopus OpenAlex
2	Eremeev A. , Topchii V. Application of Limit Theorems to Runtime Analysis of the (1 + (λ, λ)) Genetic Algorithm In compilation GECCO '25 Companion: Proceedings of the Genetic and Evolutionary Computation Conference Companion. – Publisher: Association for Computing Machinery, NY, United States., 2025. – C.975-978. – ISBN 979-8-4007-1464-1. DOI: 10.1145/3712255.3726625 Scopus РИНЦ OpenAlex
3	Pertsev N.V. , Topchii V.A. , Loginov K.K. Numerical Stochastic Simulation of Spatially Heterogeneous Population Numerical Analysis and Applications. 2024. V.17. N2. P.174-187. DOI: 10.1134/s1995423924020071 WOS Scopus РИНЦ OpenAlex
4	Eremeev A. , Topchii V. Generalization of the Heavy-Tailed Mutation in the (1+(λ,λ)) Genetic Algorithm In compilation Proceedings of the Genetic and Evolutionary Computation Conference Companion. – ACM., 2024. – C.93–94. – ISBN 979-8-4007-0495-6. DOI: 10.1145/3638530.3664095 Scopus РИНЦ OpenAlex
5	Chebotarev V.I. , Borisov I.S. , Topchii V.A. , Vatutin V.A. Sergey Viktorovich Nagaev (On His 90th Birthday) Theory of Probability and its Applications. 2023. V.68. N2. P.305-307. DOI: 10.1137/s0040585x97t991428 WOS РИНЦ OpenAlex
6	Topchii V.A. , Pertsev N.V. Crytical Multitype Branching Processes on a Graph]{Critical Multitype Branching Processes on a Graph and the Model of the HIV Infection Development Сибирские электронные математические известия (Siberian Electronic Mathematical Reports). 2023. V.20. N1. P.465 -476. DOI: 10.33048/semi.2023.20.027 WOS Scopus РИНЦ
7	Pertsev N.V. , V. A. Topchii V.A. , Loginov K.K. Stochastic Modeling of Time- and Place-Local Contacts of Individuals in an Epidemic Process Journal of Applied and Industrial Mathematics. 2023. V.17. N2. P.355-369. DOI: 10.1134/s199047892302014x Scopus РИНЦ OpenAlex
8	Pertsev N.V. , Topchii V.A. , Loginov K.K. Numerical Stochastic Modeling of Dynamics of Interacting Populations Journal of Applied and Industrial Mathematics. 2022. V.16. N3. P.524-539. DOI: 10.1134/S1990478922030164 Scopus РИНЦ OpenAlex
9	Bocharov G.A. , Loginov K.K. , Pertsev N.V. , Topchii V.A. Direct Statistical Modeling of HIV-1 Infection Based on a Non-Markovian Stochastic Model Computational Mathematics and Mathematical Physics. 2021. V.61. N8. P.1229-1251. DOI: 10.1134/S0965542521060026 WOS Scopus OpenAlex
10	Pertsev N.V. , Topchii V.A. , Loginov K.K. Numerical modelling of the transition of infected cells and virions between two lymph nodes in a stochastic model of HIV-1 infection Russian Journal of Numerical Analysis and Mathematical Modelling. 2021. V.36. N5. P.293-302. DOI: 10.1515/rnam-2021-0024 WOS Scopus OpenAlex
11	Pertsev N.V. , Loginov K.K. , Topchii V.A. Analysis of an epidemic mathematical model based on delay differential equations Journal of Applied and Industrial Mathematics. 2020. V.14. N2. P.396-406. DOI: 10.1134/S1990478920020167 Scopus OpenAlex
12	Pertsev N.V. , Loginov K.K. , Topchii V.A. Analysis of a stage-dependent epidemic model based on a non-Markov random process Journal of Applied and Industrial Mathematics. 2020. V.14. N3. P.566-580. DOI: 10.1134/S1990478920030151 Scopus OpenAlex
13	Pichugin B.J. , Pertsev N.V. , Topchii V.A. , Loginov K.K. Stochastic modeling of age-structed population with time and size dependence of immigration rate Russian Journal of Numerical Analysis and Mathematical Modelling. 2018. V.33. N5. P.289-299. DOI: 10.1515/rnam-2018-0024 WOS Scopus OpenAlex
14	Vatutin V.A. , Topchi˘ i V.A. , Yarovaya E.B. Catalytic branching random walk and queueing systems with random number of independent servers Theory of Probability and Mathematical Statistics. 2004. N69. P.1-15. DOI: 10.1090/S0094-9000-05-00609-5 РИНЦ
15	Vatutin V.A. , Topchii V.A. Maximum of the Critical Galton--Watson Processes and Left-Continuous Random Walks Theory of Probability and its Applications. 1998. V.42. N1. P.17–27. DOI: 10.1137/S0040585X97975903 Scopus OpenAlex
16	Topchii V.A. Joint distributions for critical general branching processes with one type of long-lived particles Siberian Mathematical Journal. 1991. V.32. N4. P.665–674. DOI: 10.1007/BF00972985 Scopus OpenAlex
17	Vershinin V.I. , Topchii V.A. Number of spectral coincidences as a criterion for identification of components from the line spectrum of a test sample - refined calculation of the criterial parameters Journal of Analytic Chemistry. 1989. V.44. N2. P.885-893.
18	Topchy V.A. Properties of the nonextinction probability of general critical branching processes under weak constrainis Siberian Mathematical Journal. 1987. V.28. N5. P.832–845. DOI: 10.1007/BF00969331 Scopus РИНЦ OpenAlex
19	Topchii V.A. Asymptotics of the Extinction Probability for Critical General Branching Processes Theory of Probability and its Applications. 1983. V.27. N4. P.715-733. DOI: 10.1137/1127083 OpenAlex
20	Topchii V.A. The asymptotics of the probability of the continuation of critical general branching processes DOKLADY AKADEMII NAUK SSSR. 1980. V.252. N1. P.55-57.
21	Uchaikin V.V. , Topchii V.A. Stable law with index α=1 in the problem of fluctuations of ionization losses of charged particles Russian Physics Journal. 1978. V.21. N4. P.459-462. DOI: 10.1007/bf00895544 Scopus РИНЦ OpenAlex
22	Topchii V.A. Limit theorems for critical age-dependent nonhomogeneous branching processes Siberian Mathematical Journal. 1977. V.18. P.835–844. DOI: 10.1007/BF00967020 Scopus OpenAlex
23	Топчий V.A. Asymptotic expansion for probability of continuation of critical Bellman-Harris processes Siberian Mathematical Journal. 1977. V.18. N3. P.474–481. DOI: 10.1007/BF00967039 Scopus OpenAlex

Conference theses (2) More info

Eremeev A.V. , Topchii V.A.
Heavy-Tailed Mutation with a Regularly Varying Constraint on the Distribution Function of Its Rate
In compilation MOTOR 2024: сборник тезисов XXIII Международной конференции «Теория математической оптимизации и исследование операций», (Омск, 30 июня – 06 июля 2024 г.). – Издательство ОмГУ., 2024. – C.32. – ISBN 978-5-7779-2691-3.

Topchii V.A.
Properties of ongoing critical branching processes with countable particle types
In compilation International Conference “Branching Processes, Random Walks and Probability on Discrete Structures” Book of Abstracts, 21-24 June, Moscow, Russia. – Steklov Mathematical Institute of Russian Academy of Sciences, Moscow Steklov International Mathematical Center, Moscow., 2022. – C.48-49.

Conference attendances (4) More info

1	Eremeev A. , Topchii V. Heavy-Tailed Mutation with a Regularly Varying Constraint on the Distribution Function of Its Rate XXIII International Conference Mathematical Optimization Theory and Operations Research 30 Jun - 6 Jul 2024
2	Topchii V.A. Properties of ongoing critical branching processes with countable particle types Международная конференция "Branching Processes, Random Walks and Probability on Discrete Structures" 21-24 Jun 2022
3	Topchii V. , Pertsev N. Application of a multitype branching processes on a graph to the model of the HIV infection development The 5th International Workshop on Branching Processes and their Applications 06-22 Apr 2021
4	Topchij V.A. Critical general branching processes with long-living particles First World Congress Branching Processes 05-12 Sep 1993

Identifiers

ORCID: 0000-0003-4310-5665
MathNet: 28039

Scopus ID: 55756650200

Degrees

1993 - Dr.Sc.

Academic titles

1992 - Professor