Namba Ryuya 難波隆弥

Researcher Number	20843981
Other IDs
Affiliation (Current)	2025: 京都産業大学, 理学部, 准教授
Affiliation (based on the past Project Information) *help	2023: 京都産業大学, 理学部, 准教授 2021 – 2022: 静岡大学, 教育学部, 講師 2019 – 2020: 立命館大学, 理工学部, 助教
Review Section/Research Field	Principal Investigator Basic Section 12010:Basic analysis-related / 0201:Algebra, geometry, analysis, applied mathematics,and related fields Except Principal Investigator Basic Section 12010:Basic analysis-related
Keywords	Principal Investigator 確率過程 / 極限定理 / 離散幾何解析 / ランダムウォーク / 離散群 / Bernstein作用素 / 非整数二項分布 / 一般化二項定理 / Trotterの収束定理 / 集団遺伝学 … More / 拡散過程 / エッジワース展開 / 複合ポアソン分布 / 多次元多重オイラー積 / 結晶格子 / 拡散近似 / 正値線形作用素 / ベキ零被覆グラフ / 多重ゼータ関数 / 半群の収束理論 / Edgeworth展開 / 重複対数の法則 / 中心極限定理 / 被覆グラフ … More Except Principal Investigator 幾何解析 / Dirichlet形式 / マリアヴァン解析 / 離散幾何解析 / 大域解析学 / 確率偏微分方程式 / 確率解析 / 確率論 Less

New developments of limit theorems for random walksPrincipal Investigator
- Principal Investigator
  
  難波隆弥
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 12010:Basic analysis-related
- Research Institution
  Kyoto Sangyo University
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
- Principal Investigator
  
  河備浩司
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12010:Basic analysis-related
- Research Institution
  Keio University
Studies on limit theorems for random walks on covering graphsPrincipal Investigator
- Principal Investigator
  
  Namba Ryuya
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  0201:Algebra, geometry, analysis, applied mathematics,and related fields
- Research Institution
  Shizuoka University
  Ritsumeikan University

All 2024 2023 2022 2021 2020 2019

All Journal Article Presentation

[Journal Article] Asymptotic behaviors of convolution powers of the Riemann zeta distribution2023
- Author(s)
  Aoyama Takahiro、Namba Ryuya、Ota Koki
- Journal Title
  
  Lithuanian Mathematical Journal
  
  Volume: 63 Issue: 1 Pages: 1-12
- DOI
  10.1007/s10986-023-09585-0
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K23410
[Journal Article] Iterates of multidimensional Bernstein-type operators and diffusion processes in population genetics2023
- Author(s)
  Takatoshi Hirano, Ryuya Namba
- Journal Title
  
  arXiv
  
  Volume: 2310.13983 Pages: 1-41
- Open Access
- Data Source
  KAKENHI-PROJECT-23K03155
[Journal Article] Rate of Convergence in Trotter’s Approximation Theorem and Its Applications2022
- Author(s)
  Namba Ryuya
- Journal Title
  
  Tokyo Journal of Mathematics
  
  Volume: - Issue: 1 Pages: 1-16
- DOI
  10.3836/tjm/1502179372
- Data Source
  KAKENHI-PROJECT-19K23410
[Journal Article] Limit Theorems for Iterates of the Szasz-Mirakyan Operator in Probabilistic View2022
- Author(s)
  Akahori Jiro、Namba Ryuya、Semba Shunsuke
- Journal Title
  
  Journal of Theoretical Probability
  
  Volume: - Issue: 2 Pages: 1-18
- DOI
  10.1007/s10959-022-01199-5
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K23410, KAKENHI-PROJECT-20K03666
[Journal Article] Edgeworth Expansions for Centered Random Walks on Covering Graphs of Polynomial Volume Growth2021
- Author(s)
  Namba Ryuya
- Journal Title
  
  Journal of Theoretical Probability
  
  Volume: - Issue: 3 Pages: 1898-1938
- DOI
  10.1007/s10959-021-01111-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K23410
[Journal Article] Monotonic Normalized Heat Diffusion for Regular Bipartite Graphs with Four Eigenvalues2021
- Author(s)
  Kubo Tasuku、Namba Ryuya
- Journal Title
  
  Graphs and Combinatorics
  
  Volume: 38 Issue: 1
- DOI
  10.1007/s00373-021-02424-4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K23410
[Journal Article] Laws of the iterated logarithm on covering graphs with groups of polynomial volume growth2021
- Author(s)
  Namba Ryuya
- Journal Title
  
  Forum Mathematicum
  
  Volume: 33 Issue: 1 Pages: 129-145
- DOI
  10.1515/forum-2020-0070
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K23410
[Journal Article] Central limit theorems for non-symmetric random walks on nilpotent covering graphs: Part I2020
- Author(s)
  Ishiwata Satoshi、Kawabi Hiroshi、Namba Ryuya
- Journal Title
  
  Electronic Journal of Probability
  
  Volume: 25 Issue: none Pages: 1-46
- DOI
  10.1214/20-ejp486
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K05215, KAKENHI-PROJECT-17K05300, KAKENHI-PROJECT-19K23410, KAKENHI-PROJECT-17H02846
[Journal Article] Central Limit Theorems for Non-Symmetric Random Walks on Nilpotent Covering Graphs: Part II2020
- Author(s)
  Ishiwata Satoshi、Kawabi Hiroshi、Namba Ryuya
- Journal Title
  
  Potential Analysis
  
  Volume: online Issue: 1 Pages: 1-40
- DOI
  10.1007/s11118-020-09851-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05215, KAKENHI-PROJECT-17K05300, KAKENHI-PROJECT-19K23410, KAKENHI-PROJECT-17H02846
[Journal Article] CLT for random walks on nilpotent covering graphs with weak asymmetry2019
- Author(s)
  石渡聡、河備浩司、難波隆弥
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 2116 Pages: 10-19
- Open Access
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Iterates of Bernstein-type operators and some diffusions in population genetics2024
- Author(s)
  難波隆弥
- Organizer
  九州確率論セミナー
- Data Source
  KAKENHI-PROJECT-23K12986
[Presentation] Iterates of Bernstein-type operators and some diffusions in population genetics2023
- Author(s)
  Ryuya Namba
- Organizer
  Stochastic Analysis
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K12986
[Presentation] Iterates of Bernstein-type operators and some diffusions in population genetics2023
- Author(s)
  Ryuya Namba
- Organizer
  Stochastic Analysis
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03155
[Presentation] Some limit theorems for iterates of Bernstein-type operators2023
- Author(s)
  難波隆弥
- Organizer
  関西確率論セミナー
- Data Source
  KAKENHI-PROJECT-23K12986
[Presentation] Iterates of Bernstein-type operators and some diffusions in population genetics2023
- Author(s)
  難波隆弥
- Organizer
  大阪大学確率論セミナー
- Data Source
  KAKENHI-PROJECT-23K12986
[Presentation] ベキ零被覆グラフ上のランダムウォークの極限定理2023
- Author(s)
  難波隆弥
- Organizer
  日本数学会秋季総合分科会統計分科会特別講演
- Invited
- Data Source
  KAKENHI-PROJECT-23K03155
[Presentation] ベキ零被覆グラフ上のランダムウォークの極限定理2023
- Author(s)
  難波隆弥
- Organizer
  2023年度日本数学会秋季総合分科会統計分科会特別講演
- Invited
- Data Source
  KAKENHI-PROJECT-23K12986
[Presentation] 離散群上のランダムウォークの極限定理2022
- Author(s)
  難波隆弥
- Organizer
  第6回幾何学的群論ワークショップ
- Invited
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Trotterの半群収束定理の精密化とその応用2022
- Author(s)
  難波隆弥
- Organizer
  東京確率論セミナー
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Long time asymptotics of random walks on covering graphs with groups of polynomial volume growth2021
- Author(s)
  難波隆弥
- Organizer
  東北幾何セミナー
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Long-time asymptotics of random walks on covering graphs of polynomial volume growth2021
- Author(s)
  難波隆弥
- Organizer
  立命館幾何セミナー
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] RWs on covering graphs with groups of polynomial volume growth via discrete geometric analysis2021
- Author(s)
  難波隆弥
- Organizer
  第68回幾何学シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Edgeworth expansions on covering graphs in a geometric view2021
- Author(s)
  難波隆弥
- Organizer
  広島幾何学ワークショップ
- Invited
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] CLTs for non-symmetric RWs on nilpotent covering graphs and its relation with a Brownian rough path with a linear drift2020
- Author(s)
  Satoshi Ishiwata, Hiroshi Kawabi and Ryuya NAMBA
- Organizer
  Stochastic Analysis Seminar at Imperial College London
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] 多次元結晶格子と多重ゼータ関数を結ぶ幾何学的および確率論的性質2020
- Author(s)
  難波隆弥
- Organizer
  名古屋確率論セミナー
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Laws of the iterated logarithm on covering graphs of polynomial volume growth2019
- Author(s)
  Ryuya NAMBA
- Organizer
  Japanese-German Open Conference on Stochastic Analysis
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Laws of the iterated logarithm on covering graphs of polynomial volume growth2019
- Author(s)
  Ryuya NAMBA
- Organizer
  確率論シンポジウム
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Moderate deviation principles on covering graphs of polynomial volume growth and its applications2019
- Author(s)
  Ryuya NAMBA
- Organizer
  阪大確率論セミナー
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Laws of the iterated logarithm on covering graphs of polynomial volume growth2019
- Author(s)
  Ryuya NAMBA
- Organizer
  Geometry and Probability
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Laws of the iterated logarithm on covering graphs of polynomial volume growth2019
- Author(s)
  Ryuya NAMBA
- Organizer
  関西確率論セミナー
- Data Source
  KAKENHI-PROJECT-19K23410
[Presentation] Moderate deviation principles on covering graphs of polynomial volume growth and its applications2019
- Author(s)
  Ryuya NAMBA
- Organizer
  東京確率論セミナー
- Data Source
  KAKENHI-PROJECT-19K23410

1. 河備浩司 (80432904)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 石渡聡 (70375393)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
3. 楠岡誠一郎 (20646814)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 星野壮登 (20823206)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Namba Ryuya 難波 隆弥

Research Projects

Research Products

Co-Researchers

New developments of limit theorems for random walksPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

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

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Studies on limit theorems for random walks on covering graphsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Asymptotic behaviors of convolution powers of the Riemann zeta distribution2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Iterates of multidimensional Bernstein-type operators and diffusion processes in population genetics2023

Author(s)

Journal Title

Data Source

[Journal Article] Rate of Convergence in Trotter’s Approximation Theorem and Its Applications2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Limit Theorems for Iterates of the Szasz-Mirakyan Operator in Probabilistic View2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Edgeworth Expansions for Centered Random Walks on Covering Graphs of Polynomial Volume Growth2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Monotonic Normalized Heat Diffusion for Regular Bipartite Graphs with Four Eigenvalues2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Laws of the iterated logarithm on covering graphs with groups of polynomial volume growth2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Central limit theorems for non-symmetric random walks on nilpotent covering graphs: Part I2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Central Limit Theorems for Non-Symmetric Random Walks on Nilpotent Covering Graphs: Part II2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] CLT for random walks on nilpotent covering graphs with weak asymmetry2019

Author(s)

Journal Title

Data Source

[Presentation] Iterates of Bernstein-type operators and some diffusions in population genetics2024

Author(s)

Organizer

Data Source

[Presentation] Iterates of Bernstein-type operators and some diffusions in population genetics2023

Author(s)

Organizer

Data Source

[Presentation] Iterates of Bernstein-type operators and some diffusions in population genetics2023

Author(s)

Namba Ryuya 難波隆弥