Hiroyuki Kurihara

collaborators

2 papers

math.DG2007

Jacobi operators along the structure flow on real hypersurfaces in a nonflat complex space form

U-Hang Ki, Hiroyuki Kurihara, Ryoichi Takagi

Let $M$ be a real hypersurface of a complex space form with almost contact metric structure $(ϕ, ξ, η, g)$ . In this paper, we study real hypersurfaces in a complex space form whose…

math.DG2007

Involutions of compact Riemannian 4-symmetric spaces

Hiroyuki Kurihara, Koji Tojo

Let G/H be a compact 4-symmetric space of inner type such that the dimension of the center Z(H) of H is at most one. In this paper we shall classify involutions of G preserving H f…