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Sera Toru
世良　透
Sera Toru
世良　透
Graduate School of Engineering Science　Department of Systems Innovation，Associate Professor (Lecturer)
sera.toru.es osaka-u.ac.jp

keyword Distributional Limit Theorems，Intermittent maps，Ergodic Theory

Research History 5

  1. 2025/04 - Present
    The University of Osaka　Graduate School of Engineering Science Department of Systems Innovation　Lecturer

  2. 2022/10 - 2025/03
    Osaka University　Graduate School of Science Department of Mathematics　Assistant Professor

  3. 2021/04 - 2022/09
    The University of Osaka　Graduate School of Science Department of Mathematics　Research Fellow

  4. 2020/12 - 2021/03
    Kyoto University　Graduate School of Science Division of Mathematics　Research Fellow

  5. 2019/04 - 2020/11
    Kyoto University　Graduate School of Science Division of Mathematics　Research Fellow

Education 3

  1. Kyoto University　Graduate School of Science　Department of Mathematics

    2018/04 - 2020/11

  2. Kyoto University　Graduate School of Science　Department of Mathematics

    2016/04 - 2018/03

  3. Kyoto University　Faculty of Science

    2012/04 - 2016/03

Committee Memberships 1

  1. 日本数学会　2024年度 地方区代議員　Academic society

    2024/03 - 2025/02

Professional Memberships 1

  1. 日本数学会

Research Areas 2

  1. Natural sciences / Basic analysis / Probability Theory

  2. Natural sciences / Mathematical analysis / Ergodic Theory, Dynamical Systems

Awards 1

  1. The MSJ Takebe Katahiro Prise

    The Mathematical Society of Japan　2025/09

Papers 7

  1. Functional limits for “tied down” occupation time processes of infinite ergodic transformations

    Jon Aaronson, Toru Sera

    Annales de l'Institut Henri Poincaré, Probabilités et Statistiques　Vol. 61　No. 2　p. 1249-1278　2025/05/01　Research paper (scientific journal)

    Publisher: Institute of Mathematical Statistics

  2. Higher order approximations in arcsine laws for subordinators

    Toru Sera

    Electronic Communications in Probability　Vol. 30　p. 1-13　2025/02/13　Research paper (scientific journal)

  3. Tied-down occupation times of infinite ergodic transformations

    Jon Aaronson, Toru Sera

    Israel Journal of Mathematics　Vol. 251　No. 1　p. 3-47　2023/03/03　Research paper (scientific journal)

    Publisher: Springer Science and Business Media LLC

  4. Resolution of Sigma-Fields for Multiparticle Finite-State Action Evolutions with Infinite Past

    Yu Ito, Toru Sera, Kouji Yano

    Journal of Theoretical Probability　Vol. 36　No. 3　p. 1368-1399　2022/12/17　Research paper (scientific journal)

    Publisher: Springer Science and Business Media LLC

  5. Aging arcsine law in Brownian motion and its generalization

    Takuma Akimoto, Toru Sera, Kosuke Yamato, Kouji Yano

    Physical Review E　Vol. 102　No. 3　2020/09/02　Research paper (scientific journal)

    Publisher: American Physical Society ({APS})

  6. Functional limit theorem for occupation time processes of intermittent maps

    Toru Sera

    Nonlinearity　Vol. 33　No. 3　p. 1183-1217　2020/03/01　Research paper (scientific journal)

  7. Multiray generalization of the arcsine laws for occupation times of infinite ergodic transformations

    Toru Sera, Kouji Yano

    Transactions of the American Mathematical Society　Vol. 372　No. 5　p. 3191-3209　2019/05/30　Research paper (scientific journal)

Presentations 54

  1. 間欠力学系と一次元拡散過程における分布極限定理

    世良透

    日本数学会2025年度秋季総合分科会 統計数学　2025/09/16

  2. Higher order approximations in arcsine laws for subordinators

    世良透

    日本数学会2025年度年会 統計数学　2025/03

  3. Higher order approximations in arcsine laws for subordinators

    Toru Sera

    Non-commutative probability;random matrices;L\'evy processes　2025/03

  4. Asymptotic expansions of arcsine laws for subordinators

    世良透

    2024年度確率論シンポジウム　2024/12

  5. Convergence rates of Dynkin--Lamperti arcsine laws for subordinators

    世良透

    無限分解可能過程に関連する諸問題　2024/11

  6. Large deviation estimates related to arcsine laws for intermittent maps

    Toru Sera

    Research on random, non-autonomous and multi-valued dynamical systems　2024/08

  7. Large deviation estimates related to arcsine laws for intermittent maps

    世良透

    ランダム力学系とエルゴード理論　2024/03

  8. Large deviation estimates related to arcsine laws for intermittent maps

    世良透

    2023年度冬の力学系研究集会　2024/01

  9. 間欠力学系の逆正弦法則に関連する大偏差評価

    世良透

    2023年度確率論シンポジウム　2023/12

  10. 間欠力学系の逆正弦法則に関連する大偏差評価

    世良透

    2023年度エルゴード理論研究集会　2023/12

  11. 間欠力学系の逆正弦法則に関連する大偏差評価

    世良透

    日本数学会2023年度秋季総合分科会 統計数学　2023/09

  12. Generalized uniform laws for occupation times of intermittent maps

    Toru Sera

    ICIAM 2023 Minisymposium, Theory and applications of random/non-autonomous dynamical systems Part III　2023/08

  13. 間欠力学系の逆正弦法則に関連する大偏差評価

    世良透

    力学系理論の展開と応用　2023/06

  14. Generalized uniform laws for occupation times of intermittent maps

    世良透

    ランダム力学系・非自励力学系研究の展望：理論と応用　2022/09

  15. Generalized uniform laws for occupation times of intermittent maps

    世良透

    力学系の理論と諸分野への応用　2022/06

  16. Generalized uniform laws for occupation times of intermittent maps

    世良透

    2021年度 冬の力学系研究集会　2022/01

  17. Generalized uniform laws for occupation times of intermittent maps

    世良透

    2021年度 エルゴード理論とその周辺　2021/11

  18. A conditional limit theorem for intermittent dynamical systems

    Toru Sera

    The 10th International Conference on Stochastic Analysis and its Applications　2021/09

  19. 間欠写像力学系に対する確率論的な極限定理

    世良透

    数学・数理科学専攻若手研究者のための異分野・異業種研究交流会　2020/10

  20. Generalized uniform laws for occupation times of intermittent maps

    世良透

    確率論若手セミナー・オンライン　2020/09

  21. Pomeau–Manneville 写像に対する条件付極限定理

    世良透

    Workshop 「数論とエルゴード理論」　2020/02

  22. A conditional limit theorem for the Pomeau–Manneville map

    世良透

    2019年度 冬の力学系研究集会　2020/01

  23. 間欠力学系に対する分布極限定理

    世良透

    第11回白浜研究集会　2019/12

  24. Distributional limit theorems for intermittent maps

    Toru Sera

    Latin American Congress of Probability and Mathematical Statistics　2019/12

  25. A conditional limit theorem for Pomeau--Manneville maps

    世良透

    2019年度エルゴード理論とその周辺　2019/11

  26. A conditional limit theorem for intermittent dynamical systems

    世良透

    無限分解可能過程に関連する諸問題　2019/11

  27. Distributional limit theorems for Pomeau–Manneville maps

    Toru Sera

    Ergodic Theory and Related Fields　2019/10

  28. 間欠力学系に対するマルチレイ一般化逆正弦法則

    世良透, 矢野孝次

    日本数学会2019年度秋季総合分科会 統計数学　2019/09

  29. Distributional limit theorems for Pomeau--Manneville maps

    Toru Sera

    Random Dynamical Systems and Fractal Geometry　2019/09

  30. 間欠力学系に対するピン留め条件付け極限定理

    世良透

    確率論ヤングサマーセミナー2019　2019/08

  31. 一次元間欠力学系に関する関数型極限定理

    世良透

    2019年確率論早春セミナー　2019/03

  32. Functional limit theorem for intermittent interval maps

    Toru Sera

    Workshop on Random Dynamical Systems and Anomalous Dynamics　2019/03

  33. 間欠力学系に関する関数型極限定理

    世良透

    Workshop 「数論とエルゴード理論」　2019/02

  34. 一次元間欠力学系の関数型極限定理

    世良透

    2018年度 冬の力学系研究集会　2019/01

  35. Functional limit theorem for intermittent interval maps

    世良透

    2018年度 確率論シンポジウム　2018/12

  36. Functional limit theorem for sojourns near indifferent fixed points

    世良透

    無限分解可能過程に関連する諸問題　2018/12

  37. Functional limit theorem for sojourns near indifferent fixed points

    世良透

    2018年度 エルゴード理論とその周辺　2018/11

  38. Multidimensional arcsine laws for intermittent interval maps

    Toru Sera

    Recent Progress in Ergodic Theory　2018/10

  39. Functional limit theorem for sojourns near indifferent fixed points

    Toru Sera

    The 4th KTGU Mathematics Workshop for Young Researchers　2018/09

  40. Limit theorems for occupation ratio measures of infinite ergodic transformations

    Toru Sera

    Dynamics Days Europe 2018　2018/09

  41. 間欠力学系に関する分布極限定理

    世良透

    確率論サマースクール2018　2018/08

  42. 間欠力学系に関する極限定理

    世良透

    確率論ヤングサマーセミナー2018　2018/08

  43. Generalized arcsine laws for interval maps with indifferent fixed points

    Toru Sera

    Canadian Mathematical Society Summer Meeting　2018/06

  44. Multiray generalization of the arcsine laws for interval maps

    Toru Sera

    CIMPA–IMH–VAST research school on “Recent developments in stochastic dynamics and stochastic analysis”　2018/03

  45. Multiray generalization of the arcsine laws for occupation times of infinite ergodic transformations

    Toru Sera

    The 3rd KTGU Mathematics Workshop for Young Researchers　2018/02

  46. エルゴード理論に関する一般化逆正弦法則

    世良透

    第9回白浜研究集会　2018/01

  47. Multiray generalization of the arcsine laws for occupation times of infinite ergodic transformations

    世良透, 矢野孝次

    2017年度 確率論シンポジウム　2017/12

  48. Multiray generalization of the arcsine laws for occupation times of infinite ergodic transformations

    世良透

    無限分解可能過程に関連する諸問題　2017/11

  49. Multiray generalization of the arcsine laws for occupation times of infinite ergodic transformations

    世良透

    2017年度 エルゴード理論とその周辺　2017/11

  50. Multiray generalization of the arcsine laws for occupation times of infinite ergodic transformations

    世良透

    確率解析とその周辺　2017/10

  51. Multiray generalization of the arcsine laws for occupation times of infinite ergodic transformations

    Toru Sera

    Japanese--German Open Conference on Stochastic Analysis 2017　2017/09/04

  52. Multiray generalization of the arcsine laws for occupation times of infinite ergodic transformations

    Toru Sera

    Workshop on Jump Processes and Stochastic Analysis 2017　2017/09/02

  53. Generalized arcsine laws for infinite ergodic transformations

    世良透

    Perspectives of Nonlinear Phenomena in Random and Non-autonomous Dynamics　2017/09

  54. Multiray generalization of the arcsine laws for occupation times of infinite ergodic transformations

    世良透

    確率論ヤングサマーセミナー2017　2017/08