COMPUT DYN

研究業績

 2021年度

(2021/10/20 更新)

原著論文
No
1 Naoya Takeishi, and Yoshinobu Kawahara, "Learning Dynamics Models with Stable Invariant Sets," Proc. of the 35th AAAI Conf. on Artificial Intelligence (AAAI-21), pp.9782-9790 (2021).
2 Masahiro Ikeda, "Global dynamics below the ground state for the focusing semi linear Schrödinger equation with a linear potential", Journal of Mathematical Analysis and Applications, 503 (2021).
3 Hiroyuki Hirayama, Masahiro Ikeda, Tomoyuki Tanaka, "Well-posedness for the fourth-order Schrödinger equation with higher order derivative nonlinearities", Nonlinear Differential Equations and Applications NoDEA, 28;46 (2021).
4 Kazumasa Fujiwara, Masahiro Ikeda, and Yuta Wakasugi, On the Cauchy problem of the semilinear second order evolution equation with fractional Laplacian and damping, Nonlinear Differential Equations and Applications NoDEA, 28;63 (2021).
5 Naoya Hatano, Masahiro Ikeda, Isao Ishikawa and Yoshihiro Sawano, "A global universality of two-layer neural networks with ReLU activations", Journal of Function Spaces Volume 2021, Article ID 6637220 (2021).
6 Shohei Takata, Yuzuru Kato, and Hiroya Nakao, "Fast optimal entrainment of limit-cycle oscillators by strong periodic inputs via phase-amplitude reduction and Floquet theory", Chaos 31, 093124 (2021)
7 Naohiro Kon, Hsin-Tzu Wang, ..., Gen Kurosawa, et al., "Na +/Ca 2+ exchanger mediates cold Ca 2+ signaling conserved for temperature-compensated circadian rhythms", Science Advances 7, eabe8132 (2021)
8 Yuzuru Kato and Hiroya Nakao, "Quantum coherence resonance", New Journal of Physics New Journal of Physics 23, 043018 (2021)
9 Hiroya Nakao, Katsunori Yamaguchi, Shingo Katayama, and Tatsuo Yanagita, "Sparse optimization of mutual synchronization in collectively oscillating networks", Chaos 31, 063113 (2021)
10 Jinjie Zhu and Hiroya Nakao, “Stochastic periodic orbits in fast-slow systems with self-induced stochastic resonance”, Physical Review Research 3, 033070 (2021)
11 Yuzuru Kato, Anatoly Zlotnik, Jr-Shin Li, and Hiroya Nakao, “Optimization of periodic input waveforms for global entrainment of weakly forced limit-cycle oscillators”. Nonlinear Dynamics 105, 2247–2263 (2021)
12 Yuzuru Kato, Jinjie Zhu, Wataru Kurebayashi, and Hiroya Nakao, “Asymptotic Phase and Amplitude for Classical and Semiclassical Stochastic Oscillators via Koopman Operator Theory”, Mathematics 2021, 9, 2188 [18 pages] (2021)
13 T. Iwata, and Y. Kawahara, "Controlling Nonlinear Dynamical Systems with Linear Quadratic Regulator-based Policy Networks in Koopman space," Proc. of The 60th IEEE Conf. on Decision and Control (CDC'21).
14 K. Fujii, N. Takeishi, K. Tsutsui, E. Fujioka, N. Nishiumi, R. Tanaka, M. Fukushiro, K. Ide, H. Kohno, K. Yoda, S. Takahashi, S. Hiryu, and Y. Kawahara, "Learning interaction rules from multi-animal trajectories via augmented behavioral models," in Advances in Neural Information Processing Systems 34 (Proc. of NeurIPS'21).
15 Noboru Chikami, Masahiro Ikeda and Koichi Taniguchi, "Well-posedness and global dynamics for the critical Hardy-Sobolev parabolic equation", Nonlinearity.
16 Y. Hirono, T. Okada, H. Miyazaki, Y. Hidaka, Structural reduction of chemical reaction networks based on topology, to appear in Physical Review Research.
17 Keisuke Taga, Yuzuru Kato, Yoshinobu Kawahara, Yoshihiro Yamazaki, and Hiroya Nakao, "Koopman spectral analysis of elementary cellular automata", Chaos (2021).

その他著作物
No
1 Hiroya Nakao, "Phase and Amplitude Description of Complex Oscillatory Patterns in Reaction-Diffusion Systems", In: Stefanovska A., McClintock P.V.E. (eds) Physics of Biological Oscillators. Understanding Complex Systems. Springer, Cham, 2021.

招待講演
No
1 河原吉伸, "複雑ダイナミクスの理解へのデータ駆動によるアプローチと機械学習," 2021年度 人工知能学会全国大会 (第35回), 企画セッション KS-04「人工知能と数学-数学の強み-」, コロナのためオンライン開催, 2021/6/10.
2 池田 正弘, "ハイパーグラフ上の熱とそのネットワーク解析への応用," 微分方程式とデータサイエンス研究会, オンライン, 2021/9/30.
3 佐々田槙子, "流体力学極限の幾何学的考察," 岡潔女性数学者セミナー, コロナのためオンライン開催, 2021/9/24.
4 中尾裕也, "大自由度力学系のKoopman作用素論に基づく次元縮約について," 2021年度 第40回計算数理工学フォーラム, コロナのためオンライン開催, 2021/9/24.

口頭発表
No
1 Yoshinobu Kawahara, "Operator-theoretic data analysis for dynamic processes," I2CNER-IMI International Workshop, オンライン, 2020/1/31.
2 Sho Sonoda, Isao Ishikawa, Masahiro Ikeda "Gradient descent converges to ridgelet spectrum," "24th International Conference on Artificial Inntelligence and Statistics(AISTATS)" オンライン, 2021/4/13-15.
3 池田 正弘, 内田 俊, "Nonlinear evolution equation associated with Hypergraph Laplacian," 日本数学会・2021年度秋季総合分科会, オンライン, 2021/9/17.
4 千頭 昇, 池田 正弘, 谷口 晃一, "Optimal well-posedness of Hardy-Henon parabolic equation," 日本数学会・2021年度秋季総合分科会, オンライン, 2021/9/15.
5 浜野 大, 池田 正弘, "長距離型ポテンシャルをもつ非線形シュレディンガー方程式の散乱解について," 日本数学会・2021年度秋季総合分科会, オンライン, 2021/9/16.
6 Yuzuru Kato, Hiroya Nakao, "Asymptotic phase of classical and quantum nonlinear oscillators from Koopman operator viewpoint," SIAM Conference on Applications of Dynamical Systems, オンライン, 2021/5.25.
7 Yuzuru Kato, Jinjie Zhu, Hiroya Nakao, "Koopman operator and phase and amplitude functions for stochastic oscillators," Dynamics Days Europe 2021, オンライン, 2021/8/27.
8 Yuzuru Kato, Hiroya Nakao, "Optimization of periodic input waveforms for phase distribution control of weakly forced limit-cycle oscillators," SICE 2021, オンライン, 2021/9/9.
9 多賀圭理, 加藤譲, 河原吉伸, 山崎義弘, 中尾裕也, "エレメンタリーセルオートマトンのKoopmanスペクトル解析," 日本応用数理学会 2021年度年会, オンライン, 2021/9/7.
10 安達雄飛, 加藤譲, 中尾裕也, "量子連続測定を用いた量子非線形振動子における同期現象の解析," 日本物理学会2021年秋季大会, オンライン, 2021/9/22.
11 髙田翔平, 加藤譲, 中尾裕也, "位相・振幅縮約理論を用いた強入力下における注入同期の最適化," 日本物理学会2021年秋季大会, オンライン, 2021/9/22.
12 Shingo Gibo and Gen Kurosawa, Waveform analysis reveals the mechanisms for circadian rhythms and hibernation, Society for Mathematical Biology Annual Meeting 2021, オンライン, 2021/6/15.
13 儀保伸吾, 山口良文, 黒澤元, "冬眠中の体温変化に関する数理的研究," 日本数理生物学会2021年度年会, オンライン, 2021/9/13.
14 儀保伸吾, 黒澤元, "生物振動の波形情報による周期と動機の解析," 日本数理生物学会2021年度年会, オンライン, 2021/9/13.

ポスター発表
No
1 加藤 譲, 中尾裕也, "子連続測定とフィードバック制御を用いた量子同期強度の向上," 第44回量子情報技術研究会, オンライン, 2021/5/24.