Evaluation of task difficulty based on fluctuation characteristics in writing task. - Keisuke Tanaka; Ken Arai; Masafumi Uchida (Artif. Life Robotics, 2020)

Embodied Tentacle: Mapping Design to Control of Non-Analogous Body Parts with the Human Body. - Shuto Takashita; Ken Arai; Hiroto Saito; Michiteru Kitazaki; Masahiko Inami (CHI, 2024)

Quantum PC Algorithm: Data-Efficient and Nonlinear Causal Discovery. - Yota Maeda; Ken Arai; Yu Tanaka; Yu Terada; Hiroshi Ueno; Hiroyuki Tezuka (QCE, 2024)

Quantum-enhanced causal discovery for a small number of samples. - Yota Maeda; Ken Arai; Yu Tanaka; Yu Terada; Hiroshi Ueno; Hiroyuki Tezuka (CoRR, 2025)