Jirô Akahori, Ryuya Namba, Shunsuke Semba. Limit Theorems for Iterates of the Szász-Mirakyan Operator in Probabilistic View. Journal of Theoretical Probability. 2023. 36. 2. 1321-1338
Ryuya NAMBA. Rate of Convergence in Trotter's Approximation Theorem and Its Applications. Tokyo Journal of Mathematics. 2023. 46. 1. 47-62
Takahiro Aoyama, Ryuya Namba, Koki Ota. Asymptotic behaviors of convolution powers of the Riemann zeta distribution. Lithuanian Mathematical Journal. 2023. 63. 1. 1-12
Edgeworth Expansions for Centered Random Walks on Covering Graphs of Polynomial Volume Growth. Journal of Theoretical Probability. 2022. 35. 3. 1898-1938
Tasuku Kubo, Ryuya Namba. Monotonic Normalized Heat Diffusion for Regular Bipartite Graphs with Four Eigenvalues. Graphs and Combinatorics. 2022. 38. 22. 1-16