Okumura Keiji

オクムラケイジ | Okumura Keiji

Affiliation and department：
Job title： Specially Appointed Associate Professor
Homepage URL (2)： https://nrid.nii.ac.jp/ja/nrid/1000060710530/ , https://nrid.nii.ac.jp/en/nrid/1000060710530/

Research field (2)： Soft computing , Mathematical physics and basic theory

Research keywords (6)： Chaos , Nonlinear Dynamics , Coupled Oscillators , Noise , Synchronization , Stochastic Process

Research theme for competitive and other funds (2)：

Papers (13)：

Akihisa Ichiki, Keiji Okumura. Diversity of dynamical behaviors due to initial conditions: Extension of the Ott-Antonsen ansatz for identical Kuramoto-Sakaguchi phase oscillators. Physical Review E. 2020. 101. 2. 022211
Keiji Okumura, Seiya Nishikawa, Toshihiro Omori, Takuji Ishikawa, Atsuko Takamatsu. Asymmetry in cilia configuration induces hydrodynamic phase locking. Physical Review E. 2018. 97. 3. 032411
Keiji Okumura, Kazuyuki Aihara. Noise Effects on Synchronization Speed in a Globally Coupled Excitable Oscillator Model. Advances in Science, Technology and Environmentology. 2015. B11. 165-166
Keiji Okumura, Ken-ichiro Ogawa, Koji Ara, Kazuo Yano, Yoshihiro Miyake. Dynamics and Synchronization of Body Rhythms in Face-to-face Communication in Real Societies. 第27回自律分散システム・シンポジウム予稿集. 2015. 111-112
Keiji Okumura, Kazuyuki Aihara. A solvable model for noise-induced synchronization in ensembles of coupled excitable oscillators. Proceedings of the 2013 International Symposium on Nonlinear Theory and its Applications. 2014. 326-329

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MISC (3)：

学術雑誌Physical Review E 電子版表紙(Kaleidoscopes: March 2018). 2018
Yasuomi D. Sato, Akihisa Ichiki, Keiji Okumura, Masatoshi Shiino. Computational analysis on temperature dependent synchronization transition in neurons. NEUROSCIENCE RESEARCH. 2010. 68. E210-E210
Keiji Okumura, Yasuomi D. Sato, Masatoshi Shiino. Thermal effects on spiking properties of neuron models and the model classification. NEUROSCIENCE RESEARCH. 2010. 68. E324-E324

Lectures and oral presentations (45)：

結合振動子系でみられるノイズ誘起カオス同期
(日本物理学会 2019年秋季大会 2019)
Chaotic synchronization induced by external noise in mean-field coupled limit cycle oscillators with two native frequencies
(XXXIX Dynamics Days Europe 2019)
2種類のリミットサイクルの結合系でみられるノイズ誘起カオス同期
(電子情報通信学会非線形問題研究会 2019)
マウス胚ノード繊毛の同期解析
(CREST「生命動態の理解と制御のための基盤技術の創出」第7回領域会議 2019)
流体的相互作用する多繊毛系のトイモデル
(日本物理学会 2018年秋季大会 2018)

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Education (3)：

2008 - 2012 Tokyo Institute of Technology Graduate School of Science and Engineering Department of Physics(Condensed Matter Physics)
2006 - 2008 Tokyo Institute of Technology Graduate School of Science and Engineering Department of Physics(Condensed Matter Physics)
2002 - 2006 Tokyo Metropolitan University Faculty of Science Department of Physics

Professional career (1)：

Work history (9)：

2024/10 - 現在 Institute of Sciecne Tokyo Center for Data Science and Artificial Intelligence Education Specially Appointed Associate Professor
2023/04 - 2024/09 Tokyo Institute of Technology Center of Data Science and Artificial Intelligence Specially Appointed Associate Professor
2023/04 - 2024/03 Hitotsubashi University Institute of Economic Research
2019/04 - 2023/03 Hitotsubashi University Institute of Economic Research Research Associate
2018/04 - 2019/03 Waseda University Faculty of Science and Engineering Junior Researcher

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Committee career (2)：

Awards (1)：

Association Membership(s) (2)：

日本神経回路学会 , 日本物理学会

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