A robust method for handling low density regions in hybrid simulations for collisionless plasmas. - Takanobu Amano; Katsuaki Higashimori; Keisuke Shirakawa (J. Comput. Phys., 2014)

Impact of Physical Topology Features on Performance of Optical Backbone Networks. - Katsuaki Higashimori; Takeru Inoue; Takafumi Tanaka; Fumikazu Inuzuka; Takuya Ohara (ONDM, 2022)

Physical topology optimization for highly reliable and efficient wavelength-assignable optical networks. - Katsuaki Higashimori; Fumikazu Inuzuka; Takuya Ohara (JOCN, 2022)

Efficient Routing Method for Reducing Significant Outages in Optical Networks. - Katsuaki Higashimori; Takafumi Tanaka; Takeru Inoue (GLOBECOM, 2023)

Reconfiguration Penalty-Aware Topology Control in Optical Communication Satellite Networks. - Katsuaki Higashimori (VCC, 2023)

Key physical topology features for optical backbone networks via a multilayer correlation analysis. - Katsuaki Higashimori; Takafumi Tanaka; Fumikazu Inuzuka; Takuya Ohara; Takeru Inoue (J. Opt. Commun. Netw., 2023)

Dynamic Topology Control of LEO Satellite Networks for Non-uniformly Distributed Traffic. - Katsuaki Higashimori; Takeru Inoue (GLOBECOM, 2024)

Routing problem for reducing significant outages in optical networks and its system analysis. - Katsuaki Higashimori; Takafumi Tanaka; Takeru Inoue (J. Opt. Commun. Netw., 2024)

Applying Auxiliary Graph for Multi-band Network Planning Based on Hierarchical Optical Cross-Connects. - Saki Sakurai; Katsuaki Higashimori; Takuya Ohara (OFC, 2025)

Cost-Efficient SDM/BDM Network Planning Based on Hierarchical Optical Cross-Connects. - Saki Sakurai; Katsuaki Higashimori; Takuya Ohara (ONDM, 2025)