Researcher Information
researchmap URL
Research History
- Apr. 2024 - Present
Japan Agency for Marine-Earth Science and Technology, Center for Mathematical Science and Advanced Technology, Research Institute for Value-Added-Information Generation, Young Research Fellow - Apr. 2023 - Mar. 2024
Japan Society for the Promotion of Science, JSPS PD Research Fellow - Apr. 2022 - Mar. 2023
Japan Society for the Promotion of Science, JSPS DC Research Fellow
Education
- Apr. 2020 - Mar. 2023, The University of Tokyo, Graduate School of Frontier Sciences, Department of Complexity Science and Engineering
- Apr. 2018 - Mar. 2020, Ochanomizu University, Graduate School of Humanities and Sciences, Department of Information Science
- Apr. 2014 - Mar. 2018, Ochanomizu University, Faculty of Science, Division of Information Sciences
Research activity information
Papers
- Ayumi Ozawa; Yoji Kawamura
Phase reduction of reaction–diffusion systems with delay
Chaos: An Interdisciplinary Journal of Nonlinear Science, 01 Mar. 2026 - Ayumi Ozawa; Hiroshi Kori
Two Distinct Transitions in a Population of Coupled Oscillators with Turnover: Desynchronization and Stochastic Oscillation Quenching
Physical Review Letters, 22 Jul. 2024
[Reviewed]
Lead, Corresponding - Shodai Tanaka; Hiroshi KORI; Ayumi Ozawa
A mathematical study about the sustaining phenomenon of overtone in Flageolet harmonics on bowed string instruments
The Journal of the Acoustical Society of America, 01 Oct. 2023
154, 4_supplement, A344, A344 - Ayumi Ozawa; Hiroshi Kori
Feedback-induced desynchronization and oscillation quenching in a population of globally coupled oscillators
Physical Review E, 28 Jun. 2021
103, 6
Lead, Corresponding
Misc.
- Jin Yan; Ayumi Ozawa; Yuzuru Sato; Hiroshi Kori
Basin Riddling in Coupled Phase Oscillators
02 Mar. 2026 - Oleg Tolstenkov; Ayumi Ozawa; Celestine Allombert-Blaise; Jorgen Hoyer; Tetsuya Hiraiwa; Marios Chatzigeorgiou
The cellular and behavioral blueprints of chordate rheotaxis.
24 Mar. 2025
Corresponding
Presentations
- Ayumi Ozawa
Swimming upstream while drawing helical trajectory: mathematical modeling of rheotaxis in basal relatives of vertebrates
Joint Meeting of Asian Conference for Mathematical Biology and Annual Meeting of Japanese Society for Mathematical Biology, 08 Jul. 2025 - Ayumi Ozawa; Hiroshi Kori
Realization and Robustness of Two Distinct Transitions in a Population of Kuramoto Oscillators with Turnover
Dynamics Days Europe 2025, 24 Jun. 2025 - Ayumi Ozawa
Turnover eliminates synchronized oscillations in different ways, depending on how the oscillators are coupled
MathBio Workshop: Shape and Movement in Life Sciences, 26 Mar. 2025, [Invited] - Ayumi Ozawa; Yoji Kawamura
Phase reduction of reaction-diffusion systems with delay and its application for understanding their synchronization
The Physical Society of Japan, 19 Mar. 2025 - Ayumi Ozawa
Phase reduction of reaction-diffusion systems with discrete delay
Differential Equations for Data Science, 11 Feb. 2025, [Invited] - Ayumi Ozawa
Phase reduction approach to oscillatory patterns in reaction-diffusion systems with delay
Dynamics Days Sapporo 2024, 09 Dec. 2024, [Invited] - Ayumi Ozawa
A system of chiral self-propelled particles as a mathematical model of animals swimming with circular trajectories
Mini-workshop: Populations of Oscillators, Organisms and Lineages (POOLs), 25 Oct. 2024, [Invited] - Ayumi Ozawa
Characterizing two transitions in a population of Kuramoto oscillators with stochastic resetting
ICMMA2024, 10 Sep. 2024 - Ayumi Ozawa
Analyses of interacting oscillators in the limit of the infinite number of oscillators: synchronization and stochastic oscillation quenching
CoMFoS23, 11 Dec. 2023, [Invited] - Ayumi Ozawa; Hiroshi Kori
How mutual couplings alter the effect of turnover on the collective dynamics of oscillators
STATPHYS28, 08 Aug. 2023 - Ayumi Ozawa; Hiroshi Kori
Feedback control of globally coupled oscillators based on the analysis of a phase oscillator model
Dynamics Days Europe, 25 Aug. 2022 - 小澤 歩; 郡 宏
確率的に位相がリセットされる位相振動子モデル:集団振動が消失する2つのシナリオ
日本物理学会第77回年次大会, 15 Mar. 2022 - 小澤歩
大域的なフィードバックを受ける振動子集団の解析
Young Soft Webinar, 20 Oct. 2021 - 小澤歩
大域的フィードバックを受ける振動子集団の相図とフィードバックの最適化
京都駅前セミナー, 01 Oct. 2021 - 小澤歩
フィードバックによる大域結合振動子系の制御
ネットワーク科学セミナー, 18 Dec. 2020 - 小澤 歩; 郡 宏
大域的なフィードバックがもたらす振動子の集団ダイナミクスの転移のロバスト性
日本物理学会2019年秋季大会, Sep. 2019 - 小澤 歩; 郡 宏
大域的フィードバックによる坂口-蔵本モデルの集団振動の停止
日本物理学会第74回年次大会, Mar. 2019 - 小澤 歩; 郡 宏
大域結合振動子集団の同期した振動を抑制するフィードバックの最適化
日本物理学会2018年秋季大会, Sep. 2018
