Dynamic Stock Correlation Network. - Yuta Arai; Takeo Yoshikawa; Hiroshi Iyetomi (KES, 2015)

Complex Principle Component Analysis on Dynamic Correlation Structure in Price Index Data. - Yuichi Kichikawa; Yuta Arai; Hiroshi Iyetomi (KES, 2015)

Predicting inquiry from potential renters using property listing information. - Takeshi So; Yuta Arai (MIPR, 2021)