Ryoichi Takagi
Chiba University
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Publication
Featured researches published by Ryoichi Takagi.
Differential Geometry and Its Applications | 2000
Daigo Hirohashi; Hiroyuki Tasaki; Hyunjung Song; Ryoichi Takagi
Abstract Let M be a compact symmetric space, and K the isotropy subgroup of the group of all isometries of M at a point o of M . We consider two actions of K , namely the natural action of K on M and the linear isotropy action of K on the tangent space T o M . In both cases, we show that in each category of orbits of the “same type” under K there exists a unique minimal one.
Tohoku Mathematical Journal | 1988
Hisao Nakagawa; Ryoichi Takagi
Tohoku Mathematical Journal | 1998
Ryoichi Takagi; In-Bae Kim; Byung Hak Kim
Toyama mathematical journal | 2009
U-Hang Ki; Hiroyuki Kurihara; Setsuo Nagai; Ryoichi Takagi
Nihonkai mathematical journal | 2000
U-Hang Ki; Hyunjung Song; Ryoichi Takagi
Tohoku Mathematical Journal | 1991
Young Jin Suh; Ryoichi Takagi
Geometriae Dedicata | 2010
U-Hang Ki; Setsuo Nagai; Ryoichi Takagi
Hokkaido Mathematical Journal | 1996
Yeong-Wu Choe; Hyang Sook; In-Bae Kim; Ryoichi Takagi
Tokyo Journal of Mathematics | 2007
U-Hang Ki; Setsuo Nagai; Ryoichi Takagi
Proceedings in Honor of Professor K Sekigawa's 60th Birthday | 2005
U-Hang Ki; Setsuo Nagai; Ryoichi Takagi
