Large sample approximations for the LR statistic for equality of the smallest eigenvalues of a covariance matrix under elliptical population. - Daisuke Watanabe; Susumu Okada; Yasunori Fujikoshi; Takakazu Sugiyama (Comput. Stat. Data Anal., 2008)

A massively-parallel electronic-structure calculations based on real-space density functional theory. - Jun-ichi Iwata; Daisuke Takahashi; Atsushi Oshiyama; Taisuke Boku; Kenji Shiraishi; Susumu Okada; Kazuhiro Yabana (J. Comput. Phys., 2010)