Poincaré map approach to limit cycles of a simplified ultradiscrete Sel'kov model. - Shousuke Ohmori; Yoshihiro Yamazaki (JSIAM Lett., 2022)

Types and stability of fixed points for positivity-preserving discretized dynamical systems in two dimensions. - Shousuke Ohmori; Yoshihiro Yamazaki (JSIAM Lett., 2023)

Ultradiscretization in discrete limit cycles of tropically discretized and max-plus Sel'kov models. - Yoshihiro Yamazaki; Shousuke Ohmori (JSIAM Lett., 2024)

Conway's law, revised from a mathematical viewpoint. - Shigeki Matsutani; Shousuke Ohmori; Kenji Hiranabe; Eiichi Hanyuda (Discret. Math. Algorithms Appl., 2025)