Author Title Page Lewis D. Ludwig, Peter Nyikos, and John E. Porter Dowker spaces revisited 1 Takumi Ogawa and Yasuo Kamata A product formula defined by the Beta function and Gauss’s hypergeometric function 13 Nobuhiro Aki and Michio Amano On the Cartier duality of certain finite group schemes of type $(p^n, p^n)$ 31 Kim Hyo Gyeong The construction of the uniformly minimum variance unbiased estimator 47 Soumya Das Note on Hermitian Jacobi forms 59 Kenta Ueyama Geometric classification of quadratic algebras in two variables 79 Shunsuke Murata Bernoulli-type relations in some noncommutative polynomial ring 97 Kazuhiro Okumura Odd dimentional Riemannian submanifolds admitting the almost contact metric structure in a Euclidean […]

Author Title Page Jun-ichi Matsuzawa and Makoto Takahashi Representations of normalizer subgroups of maximal tori of simple Lie groups 189 Chiaki Tsukamoto Stability in SO(n+3)/SO(3)\times SO(n) branchig 239 Kazuo Takemura, Hiroyuki Yamagishi, Yoshinori Kametaka, Kohtaro Watanabe and Atsushi Nagai The best constant of Sobolev inequality corresponding to a bending problem of a beam on an interval 253 Yuriko Gorai, Hiroyuki Tasaki, and Mio Yamakawa Convergence rates of approximate sums of the areas of surfaces of revolution 281 Aleksander Grytczuk and Izabela Kurzydlo On some matrix diophantine equations 299 Absos Ali Shaikh, Yoon Dae-won and Shyamal Kumar Hui On quasi-Einstein spacetimes 305

Author Title Page Makoto Takahashi Representation of normalizer subgroups of maximal tori of the classical group of type C 1 Yuuki Tadokoro A nontrivial algebraic cycle in the Jacobian variety of the Fermat sextic 29 U-Hang Ki, Hiroyuki Kurihara and Ryoichi Takagi Jacobi operators along the structure flow on real hypersurfaces in a nonflat complex space form 39 Tomohiro Kamiyoshii A characterization of finite prehomogeneous vector spaces of D4-type under various scalar restrictions 57 Akira Kamibeppu Subcomplexes of box complexes of graphs 79 Shingo Ibuka, Hirotaka Kikyo, and Hiroshi Tanaka Quantifier elimination for lexicographic products of ordered abelian groups 95 Takefumi Igarashi and Noriaki Umeda Nonexistence of global solutions in […]

Author Title Page Huaipeng Chen Characterizations and properties of stratifiable spaces 253 Takamitsu Yamauchi The role of countable paracompactness for continuous selections avoiding extreme points 277 Benharrat Belaïdi and Abdallah El Farissi Relation between differential polynomials of certain complex linear differential equations and meromorphic functions of finite order 291 Akira Kamibeppu Homotopy type of the box complexes of graphs without 4-cycles 307 Yoshio Matsuyama Curvature pinching for Kaehler submanifolds of a complex projective space * 315 Daisuke Dobashi A Characterization of tiling groups 323 Sorin Dragomir and Krishan L. Duggal Indefinite extrinsic spheres 335 Jörg Brüdern Representations of natural numbers as the sum of a prime and a k-th power […]

Author Title Page Hideyuki Sakaguchi A Matsumoto-type theorem for linear groups over some completed quantum tori 1 Takashi Teshigawara A condition for algebras associated with a cyclic quiver to be symmetric 27 Juhani Mieminen, Matti Peltola and Pasi Ruotsalainen On Graphs Like Hypercubes 37 Erhan Güler and Aysel Turgut Vanli On the mean, Gauss, the second Gaussian and the second mean curvature of the helicoidal surfaces with light-like axis in R31 49 Kazuaki Taira Introduction to boundary value problems of nonlinear elastostatics 67 Hidenori Tanaka Submetacompactness and weak submetacompactness in countable products, 2 139 P.V. Ramakrishnan and T. Lakshmi A note on the fusion of two vertices in a fuzzy […]

Author Title Page Luigia Di Terlizzi, Jerzy J. Konderak and Robert Wolak A generalization of the Boothby-Wang theorem 217 Mayuko Kon Ricci recurrent CR submanifolds of a complex space form 233 Saburo Uchiyama A further note on the generalized Josephus problem 253 Hyunjin Lee Riemannian manifolds referred to warped product models 261 Katsumi AKAHORI Remarks on the Clifford index of algebraic curves 271 Katsumi AKAHORI Normal generation of line bundles of degree 2g-2h1(L)-Cliff(X)-k(k = 2,3,4) on Curves 283 Ryuji Sasaki Hermitian Jacobi Forms of index one 301 Kiyoshi Mochizuki On scattering for wave equations with time dependent coefficients 327 Takashi Sakai Transferred kinematic formulae in two point homogeneous spaces 343 […]

Author Title Page Naonori Ishii and Katsuaki Yoshida The automorphism group of a cyclic p-gonal curve 1 Hiroaki Niikuni Identification of the absent spectral gaps in a class of generalized Kronig-Penney Hamiltonians 39 Aleksander Grytczuk Upper bound for sum divisors function and the Riemann hypothesis 67 Elisabetta Barletta The Lichnerowicz theorem on CR manifolds 77 Takao Hayami Hochschild cohomology ring of the integral group ring of dihedral groups 99 Teruyuki Yorioka Independent families of destructible gaps 129 Hideo Kubo and Sandra Lucente Note on weighted Strichartz estimates for Klein-Gordon equations with potential 143 Shichang Shu Curvature and rigidity of Willmore submanifolds 175 Mitsuhiro Itoh and Takanari Saotome The Serre duality […]

Author Title Page Jan van Mill, Mikhail G.Tkachenko, Vladimir V.Tkachuk, and Richard G. Wilson Local properties and maximal Tychonoff connected spaces 241 Tatsuo Nishitani and Jean Vaillant Smoothly symmetrizable complex systems and the real reduced dimension 259 Masaru Iizuka, Miyuki Maeno and Matsuyo Tomisaki Asymptotic conditional distributions related to one-dimensional generalized diffusion processes 273 Jong Taek Cho Levi-parallel hypersurfaces in a complex space form 329 Taka-aki Tanaka Algebraic independence of modified reciprocal sums of products of Fibonacci numbers 345 Dorota Kowalczyk On the Reissner-Nordstörm-de Sitter type spacetimes 363 Katsumi Nagai The integrated density of stated of one-dimensional random Schrödinger operator with white noise potential and background 383 Vitalij A.Chatyrko Subspaces […]

Author Title Page Naoya ANDO Semisurfaces and The Equations of Codazzi-mainardi 1 Katsuya Mashimo On the branching theorem of the pair (F4, Spin(9)) 31 Kenji Kuwabara Grassmann Geometry on the groups of rigid motions on the Euclidean and the Minkowski planes 49 Jose Antonio de la Pena and Changchang Xi Hochschild Cohomology of Algebras with Homological Ideals 61 Martha P. Dussan Space-like isothermic surfaces and Grassmannian systems 81 P.A.Krutitskii and V.V.Kolybasova The Dirichlet-Neumann Problem for the Dissipative Helmholtz Equation in a 2-D Cracked Domain with the Neumann Condition on Cracks 103 Katsuhiro Moriya A space of minimal tori with one end and cyclic symmetry 131 Kotaro Mine Universal spaces of […]

Author Title Page Atsushi Satoh Scattering for Nonlinear Symmetric Hyperbolic Systems 285 Takaaki Ohkubo and Kunio Sakamoto CR Einstein-Weyl structures 309 Takao Hayami On Hochschld cohomology ring of the integral group ring of the quaternion group 363 Alina Iacob Generalized Tate cohomology 389 Yuki Haraguchi On Non-commutative extensions of Ga by Gm over an Fp-Algebra 405 Yasuhiro Niitsuma On the extensions of Wn by G over an Zp-Algebra 437 Jin-ichi Itoh and Fumiko Ohtsuka Total curvature of noncompact piecewise Riemannian 2-Polyhedra 471 Mukut Mani Tripathi, Tooru Sasahara and Jeong-Sik Kim On invariant submanifolds of contact metric manifolds 495 U-Hang Ki and Setsuo Nagai Real hypersurfaces of a nonflat complex space […]