NAMBA RYUYA

ナンバリュウヤ | NAMBA RYUYA

Affiliation and department：
Job title： Associate Professor

Research field (1)： Basic analysis

Research keywords (5)： probability theory , stochastic processes , random walk , discrete geometric analysis , limit theorems

Research theme for competitive and other funds (4)：

2023 - 2027 New Developments in limit theorems for random walks
2023 - 2026 幾何解析の視点を融合した無限次元空間上の確率解析の新展開
2019 - 2021 Studies on limit theorems for random walks on covering graphs
2018 - 2020 A study on random walks on covering graphs via discrete geometric analysis and stochastic analysis

Papers (9)：

Jirô Akahori, Ryuya Namba, Shunsuke Semba. Limit Theorems for Iterates of the Szász-Mirakyan Operator in Probabilistic View. Journal of Theoretical Probability. 2023. 36. 2. 1321-1338
Ryuya NAMBA. Rate of Convergence in Trotter's Approximation Theorem and Its Applications. Tokyo Journal of Mathematics. 2023. 46. 1. 47-62
Takahiro Aoyama, Ryuya Namba, Koki Ota. Asymptotic behaviors of convolution powers of the Riemann zeta distribution. Lithuanian Mathematical Journal. 2023. 63. 1. 1-12
Ryuya Namba. Edgeworth Expansions for Centered Random Walks on Covering Graphs of Polynomial Volume Growth. Journal of Theoretical Probability. 2022. 35. 3. 1898-1938
Tasuku Kubo, Ryuya Namba. Monotonic Normalized Heat Diffusion for Regular Bipartite Graphs with Four Eigenvalues. Graphs and Combinatorics. 2022. 38. 22. 1-16

ｍore...

MISC (3)：

CLT for random walks on nilpotent covering graphs with weak asymmetry. 2019. 2116. 10-19
Central limit theorems for non-symmetric random walks on nilpotent covering graphs. 2017. 2030. 9-16
From non-symmetric random walks on nilpotent covering graphs to rough paths via discrete geometric analysis. 2016. 24. 1359-1362

Lectures and oral presentations (34)：

Iterates of multidimensional Bernstein-type operators and diffusion processes in population genetics
(九州確率論セミナー 2024)
Iterates of Bernstein-type operators and some diffusions in population genetics
(Stochastic Analysis 2023)
Iterates of Bernstein-type operators and some diffusions in population geneticses
(大阪大学確率論セミナー 2023)
Limit theorems for random walks on nilpotent covering graphs
(2023)
Some limit theorems for iterates of Bernstein-type operators
(関西確率論セミナー 2023)

ｍore...

Education (3)：

2016 - 2019 Okayama University Graduate School of Natural Science and Technology Division of Mathematics and Physics
2014 - 2016 Okayama University Graduate School of Natural Science and Technology Division of Mathematics and Physics
2010 - 2014 Okayama University Faculty of Science Department of Mathematics

Professional career (2)：

Work history (8)：

2023/04 - 現在 Kyoto Sangyo University Department of Mathematics, Faculty of Science Associate Professor
2022/08 - 現在立命館大学理工学部非常勤講師
2023/08 - 2023/12 静岡大学教育学部非常勤講師
2021/10 - 2023/03 Shizuoka University
2019/04 - 2021/09 Ritsumeikan University, College of Science and Engineering, Department of Mathematical Sciences, Assistant Professor

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Awards (1)：

Association Membership(s) (1)：

The Mathematical Society of Japan

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