Takashi Goda, Yoshihito Kazashi, Ken’ichiro Tanaka. How Sharp Are Error Bounds? -Lower Bounds on Quadrature Worst-Case Errors for Analytic Functions-. SIAM Journal on Numerical Analysis. 2024. 62. 5. 2370-2392
Tomoya Kamijima, Shun Sato, Kansei Ushiyama, Takayasu Matsuo, Ken’ichiro Tanaka. Analysis of continuous dynamical system models with Hessians derived from optimization methods. JSIAM Letters. 2024. 16. 29-32
Yoshihiro Kogure, Ken’ichiro Tanaka. Wavelet characterization of exponentially weighted Besov space with dominating mixed smoothness and its application to function approximation. Journal of Approximation Theory. 2024
Satoshi Hayakawa, Ken’ichiro Tanaka. Convergence analysis of approximation formulas for analytic functions via duality for potential energy minimization. Japan Journal of Industrial and Applied Mathematics. 2023
Tomoki Yamagami, Etsuo Segawa, Ken'ichiro Tanaka, Takatomo Mihana, André Röhm, Ryoichi Horisaki, Makoto Naruse. Skeleton structure inherent in discrete-time quantum walks. Physical Review A. 2023. 107. 1
On lower bounds of worst-case errors of quadrature formulas for analytic functions
(The Second Workshop of JMCQMC -In Celebration of 50th Birthday of Prof. Josef Dick- 2024)