"Keita Kume,Isao Yamada","A Global Cayley Parametrization of Stiefel Manifold for Direct Importing Optimization Mechanisms over Vector Space","IEICE Signal Processing Symposium 2020","Proceedings of IEICE Signal Processing Symposium 2020",,,," in USB",2020,Nov. "久米啓太,山田功","Adaptive Localized Cayley Parametrizationを利用したStiefel多様体制約付き確率的勾配分散縮小法","2020年電子情報通信学会総合大会","2020年電子情報通信学会総合大会 情報・システムソサイエティ特別企画学生ポスターセッション予稿集",,,,,2020,Mar. "Keita Kume,Isao Yamada","A NESTEROV-TYPE ACCELERATION WITH ADAPTIVE LOCALIZED CAYLEY PARAMETRIZATION FOR OPTIMIZATION OVER THE STIEFEL MANIFOLD","EUSIPCO 2020","Proceedings of Eusipco 2020",,,,,2020,