On the Causality between Multiple Locally Stationary Processes. - Junichi Hirukawa (Adv. Decis. Sci., 2012)

Large-Deviation Results for Discriminant Statistics of Gaussian Locally Stationary Processes. - Junichi Hirukawa (Adv. Decis. Sci., 2012)

Least Squares Estimators for Unit Root Processes with Locally Stationary Disturbance. - Junichi Hirukawa; Mako Sadakata (Adv. Decis. Sci., 2012)

Statistical Estimation of Portfolios for Dependent Financial Returns. - Masanobu Taniguchi; Cathy W. S. Chen; Junichi Hirukawa; Hiroshi Shiraishi; Kenichiro Tamaki; David Veredas (Adv. Decis. Sci., 2012)