Author Title Page Ayato Mitsuishi The Gromov-Hausdorff distances between Alexandrov spaces of curvature bounded below by 1 and the standard spheres 1 Renato Manfrin Propagation of analyticity in the $C^\infty$ solutions of quasi-linear weakly hyperbolic wave equations 13 Hiroyuki Kurihara The structure Jacobi operator for real hypersurfaces in the complex projective plane and the complex hyperbolic plane 53 Takashi Shimomura Chain mixing endomorphisms are approximated by subshifts on the Cantor set 67 Nobuhiro Innami, Yukihiro Mashiko, and Katsuhiro Shiohama Metric spheres in the projective spaces with constant holomorphic sectional curvature 79 Changwen Li On weakly s-quasinormally embedded and ss-quasinormal subgroups of finite groups 91 Mikhail Sgibnev An asymptotic expansion for the distribution of the supremum of a Markov-modulated random walk 103 Michio Hamada On the quasi-irreducibility and complete quasi-reducibility of some reductive prehomogeneous vector spaces 115 Atsushi Ishii and Kengo Kishimoto The Quandle coloring invariant of a reducible handlebody-knot 131 Yuki Anbo Random graphs with a randam bijection 143