COMPUT DYN

研究業績

 2022年度

(2022/10/01 更新)

原著論文
No
1 M. Weissenbacher, S. Sinha, A. Garg, and Y. Kawahara, "Koopman Q-learning: Offline Reinforcement Learning via Symmetries of Dynamics," in Proc. of the 39th Int'l Conf. on Machine Learning (ICML'22), PMLR 162:23645-23667, 2022.
2 K. Fujii, K. Takeuchi, A. Kuribayashi, N. Takeishi, Y. Kawahara, and K. Takeda, "Estimating counterfactual treatment outcomes over time in multi-vehicle simulation," in Proc. Of the 30th ACM SIGPATIAL Int'l Conf. On Advances in Geographic Information Systems (SIGSPATIAL'22) (short paper) (accepted).
3 Komura, Fuyuta, "A correspondence between inverse subsemigroups, open wide subgroupoids and cartan intermediate C*-subalgebras," Proceedings of the Edinburgh Mathematical Society, 65(3), pp 861-879, 2022.
4 Hiroko Sekisaka-Yamamoto, "A reaction-diffusion approximation of a semilinear wave equation with damping," Japan Journal of Industrial and Applied Mathematics (2022), 21 pages.
5 Noboru Chikami, Masahiro Ikeda and Koichi Taniguchi, "Optimal well-posedness and forward self-similar solution for the Hardy-Hénon parabolic equation in a critical weighted Lebesgue space," Nonlinear Analysis 222, (2022), 112931.
6 Masahiro Ikeda, Atsushi Miyauchi, Yuuki Takai and Yuchi Yoshida, "Finding Cheeger Cuts in Hypergraphs via Heat Equation," Theoretical Computer Science, 930, 2022, 1—23.
7 Ikki Fukuda and Masahiro Ikeda, "Large time behavior of solutions to the Cauchy problem for the BBM-Burgers equation," Journal of Differential Equations, 336, (2022), 275—314.
8 Sho Sonoda, Isao Ishikawa, Masahiro Ikeda, "Fully-Connected Network on Noncompact Symmetric Space and Ridgelet Transform based on Helgason-Fourier Analysis," Proceedings of The 39th International Conference on Machine Learning (ICML), 2022.
9 Yuzuru Kato and Hiroya Nakao, "Turing instability in quantum activator-inhibitor systems," Scientific Reports 12, 15573 [17 pages] (2022).
10 Jinjie Zhu and Hiroya Nakao, "Noise-tuned bursting in a Hedgehog burster," Frontiers in Computational Neuroscience 16:970643 [12 pages] (2022).
11 Norihisa Namura, Shohei Takata, Katsunori Yamaguchi, Ryota Kobayashi, and Hiroya Nakao, "Estimating asymptotic phase and amplitude functions of limit-cycle oscillators from time series data," Physical Review E 106, 1, 014204 [12 pages] (2022).
12 Yuzuru Kato and Hiroya Nakao, "A definition of the asymptotic phase for quantum nonlinear oscillators from the Koopman operator viewpoint," Chaos 32, 6, 063133 [12 pages] (2022).
13 Jinjie Zhu, Yuzuru Kato, and Hiroya Nakao, "Phase dynamics of noise-induced coherent oscillations in excitable systems," Physical Review Research 4, 2, L022041 [6 pages] (2022).
14 Daniel Cresta, Donald C Warren, Christian Quirouette, Amanda P Smith, Lindey C Lane, Amber M Smith, Catherine AA Beauchemin, "Time to revisit the endpoint dilution assay and to replace the TCID50 as a measure of a virus sample’s infection concentration," PLoS Computational Biology, vol. 17, e1009480, 2021.
15 Yuka Hashimoto, Fuyuta Komura and Masahiro Ikeda, "Hilbert C*-module for analyzing structured data," to appear in Matrix and Operator Equations and Applications.
16 Noboru Chikami, Masahiro Ikeda and Koichi Taniguchi, "Local well-posedness for the scale-critical semilinear heat equation with a weighted gradient term," to appear in Advances in Harmonic Analysis and Partial Differential Equations
17 Sho Sonoda, Isao Ishikawa, Masahiro Ikeda, "Universality of group convolutional neural networks based on ridgelet analysis on groups," to appear in NeurIPS 2022.

その他著作物
No
1 中尾裕也, Koopman, "作用素論に基づく力学系の次元縮約と非線形リズムへの応用," 電子情報通信学会技術研究報告, NLP2022-31, pp. 24-26, 2022年8月.

招待講演
No
1 Makiko Sasada, "Topological structures and the role of symmetry in the hydrodynamic limit of nongradient models," StatPhys Seminar @ UTokyo Hongo, オンライン, 2022/5/30.
2 Makiko Sasada, "Hydrodynamic limit of interacting particle systems and partial," 調和解析と非線形偏微分方程式, オンライン・京都大学数理解析研究所, 2022/7/12.
3 中尾裕也, "Koopman作用素論に基づく力学系の次元縮約と非線形リズムへの応用," 電子情報通信学会 非線形問題研究会, 東京工業大学→オンラインに変更, 2022/8/2.
4 Masahiro Ikeda, "On stability and instability of standing waves for 2d-nonlinear Schrödinger equations with point interaction," Mathematical Analysis of Nonlinear Dispersive and Wave Equations -In honor of Professor Tohru Ozawa's 60th birthday, Waseda University, 2022/8/24.
5 Makiko Sasada, "Scaling limits for random processes from the point of view of group cohomology," Women in Mathematics, オンライン, 2022/9/7.
6 Hayate Suda, "Relationships between two linearizations of the box-ball system : rigged configuration and slot decomposition," Workshop on box-ball systems from integrable systems and probabilistic perspectives, Centre de recherches mathématiques / Online, 2022/9/19.
7 Makiko Sasada, "Discrete harmonic analysis on the configuration space of large scale," Large Scale Stochastic Dynamics, Oberwolfach研究所, 2022/9/21.
8 Hayate Suda, "Relationships between two linearizations of the box-ball system : rigged configuration and slot decomposition," Integrability, combinatorics and representation theory, MATRIX/RIMS tandem workshop, RIMS-Research Institute for Mathematical Sciences / Online, 2022/9/30.
9 Masahiro Ikeda, "Mass-energy threshold dynamics for the focusing NLS with inverse-power potential," seminario di Analisi Matematica Sapienza Università di Rome, Sapienza Università di Rome, 2022/9.

口頭発表
No
1 宮﨑弘安, "一般底上のモジュラス付きモチーフ理論について," 第21回仙台広島整数論集会, 東北大学, 2022/7/13.
2 Jinjie Zhu, Yuzuru Kato, Hiroya Nakao, "Construction and application of phase reduction in coherent excitable systems," Dynamics Days Europe 2022, University of Aberdeen, Scotland, UK, 2022/08/22-26.
3 Norihisa Namura, Tsubasa Ishii, Hiroya Nakao, "Designing Two-Dimensional Limit-Cycle Oscillators with Prescribed Orbits and Phase Response Characteristics," SICE annual conference 2022, Kumamoto, Japan, 2022/9/8.
4 Shohei Takata, Yuzuru Kato, Hiroya Nakao, "Reconstruction of Asymptotic Phase and Amplitude Functions from Time Series of Stochastic Oscillatory Systems by Extended Dynamic Mode Decomposition," SICE annual conference 2022, Kumamoto, Japan, 2022/9/8.
5 関坂(山本)宏子, "非局所反応拡散方程式に対する反応拡散近似," 日本応用数理学会2022年度年会・正会員主催OS「界面運動の数理」, 北海道大学, 2022/9/9.
6 Alex Hernandez Ardila, 浜野 大, 池田 正弘, "Global dynamics of Mass-Energy threshold for NLS with an inverse-power potential," 日本数学会・2022年度秋季総合分科会, 北海道大学, 2022/9/15.
7 関坂(山本)宏子, "シリンダー領域の反応拡散方程式のスペクトル問題とEvans関数," 2022年度日本数学会秋季総合分科会・応用数学分科会, 北海道大学, 2022/9/16.
8 池田 正弘, 谷口 晃一, 若杉 勇太, "On global existence and asymptotic behavior for nonlinear damped wave equations on measure spaces," 日本数学会・2022年度秋季総合分科会, 北海道大学, 2022/9/16.
9 福田 一貴, 池田 正弘, "BBM--Burgersの初期値問題の解の漸近挙動," 日本数学会・2022年度秋季総合分科会, 北海道大学, 2022/9/16.
10 深尾 武史, 池田 正弘, 内田 俊, "Heat on the hypergraph containing vertices with given data," 日本数学会・2022年度秋季総合分科会, 北海道大学, 2022/9/16.
11 儀保伸吾, "冬眠中体温の周波数変調パターンの定量的解析," 日本時間生物学会 (若手コロキウムの口頭発表に採択), 宇都宮大学, 2022/12/3.

ポスター発表
No
1 Keisuke Taga, Hiroya Nakao, Yoshihiro Yamazaki, "Nonlinear dynamics of the tape peeling trace," Dynamic Days Europe 2022, University of Aberdeen, Scotland, UK, 2022/08/22-26.
2 Yuzuru Kato, Hiroya Nakao, "Optimization of weak periodic input waveforms for global entrainment of limit- cycle oscillators," Dynamics Days Europe 2022, University of Aberdeen, Scotland, UK, 2022/08/22-26.
3 Masahiro Ikeda, "On stability and instability of standing waves for 2d-nonlinear Schrödinger equations with point interaction, Trials in Wave Turbulance: from random waves to kinetic equations," Gran Sasso Science Institute, L'Aquila, 2022/9.