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 […]

Author Title Page Mami Matsuda Bifurcation of the Kolmogorov flow with an external friction 1 Nobuya Suzuki Models of Peano arithematic as modules over initial segments 19 Zejun Hu and Haizhong Li A rigidity theorem for hypersurfaces with positive Moebius Ricci curvature in Sn+1 29 Saburô UCHIYAMA A Note on the Generalized Josephus Problem 49 Takuma Ogawa Similarities between the trigonometric function and the lemniscate function from arithmetic view point 65 Takumi Yamada A Construction of Compact Pseudo-Kähler Solvmanifolds with no Kähler Structures 79 Reiko SAKAMOTO Energy method for numerical analysis 111 Gabriela Putinar Finite jet determination for biholomorphisms of real-analytic hypersurfaces in CN 147 Shin-ichi YASUTOMI On A New Algorithm […]

Author Title Page Joujuu Ohmori Simple components of Q [Sp4(Fq)] 245 E. Ballico Holomorphic vector bundles on quadric hypersurfaces of infinite-dimensional projective spaces 279 Nobuya Suzuki Quantifier elimination results for products of ordered Abelian groups 291 Edgar E. Enochs and Overtoun M. G. Jenda Gorenstein injective modules and Ext 303 Marco Cappiello Fourier integral operators of infinite order and applications to SG-hyperbolic equations 311 Tatsuji Tanaka On arithmetical bounds of Chow-forms 363 Shuan-hong Wang A Maschke Type Theorem for Hopf π-Comodules 377 Masafumi Yoshino Diophantine phenomena in commuting vector fields and diffeomorphisms 389 Filip Defever and R.Rosca Riemannian manifolds structured by a local conformal section 401 Elisabetta Barletta and Sorin […]

Author Title Page Hideki Takuwa Analytic smoothing effects for a class of dispersive equations 1 Masakazu Takamura On the Estimate of the Arithmetic Genus for Normal Two-Dimensional Singularities on Double Coverings 35 Takashi SADAMATSU On a necessary condition for the wellposedness of the Cauchy problem for some degenerate parabolic equations 75 Shou Lin and Li Yan A note on spaces with σ-compact-finite weak base 85 Mitsuaki Yato On the Verschiebung morphism for g(λ) 93 Nobutaka Boumuki Isotropic immersions and parallel immersions of space forms into space forms 117 Tomonori Noda Reduciton of locally conformal symplectic manifolds with examples of non-Kähler Manifolds 127 Alessandro Morando Hypoellipticity and local solvability of pseudolocal […]

Author Title Page Fumihiko HIROSAWA and Hideo NAKAZAWA Rapid decay of the total energy for dissipative wave equations 217 Atsuko Fujisawa The classification of 3-dimensional hypersurface purely elliptic singularities of (0,1)-type 233 Seiji Hiraba Asymptotic estimates for densities of multi-dimensional stable distributions 261 Tetsuya Hosaka A splitting theorem for CAT (0) spaces with the geodesic extension property 289 Mohamed Tahar Kadaoui ABBASSI and Maati SARIH Killing vector fields on tangent bundles with Cheeger-Gromoll metric 295 Koji Tsushima On a decomposition of Bruhat type for a certain finite group 307 Saburo UCHIYAMA On the generalized Josephus problem 319 J. Hancl and S. Sobkova A general criterion for linearly unrelated sequences 341 […]

Author Title Page Massimo Cicognani The Cauchy Problem for Strictly Hyperbolic Operators with Non-Absolutely Continuous Coefficients 1 Ryszard Deszcz and Marian Hotlos On Some Pseudosymmetry Type Curvature Condition 13 Noriaki Umeda Blow-up and Large Time Behavior of Solutions of a Weakly Coupled System of Reaction-Diffusion Equations 31 Byung Keun Sohn and Dae Hyeon Pahk Analytic Representation of Generalized Tempered Distributions of Exponential Growth by Wavelets 47 Zhou Jianwei Irreducible Clifford Modules 57 Zhou Jianwei Spinors, Calibrations and Grassmannians 77 Antonio J. Di Scala Autoparallel distributions and splitting theorems 99 Charles B. Ragozzine, Jr Hopf Algebras Generated by a Coalgebra 103 Osamu SHUKUZAWA Diagonalization of elements of Freudenthal R-vector space and […]

Author Title Page Masahiro Kaminaga and Fumihiko Nakano Spectral properties of quasiperiodic Kronig-Penney model 205 Aleksander Grytczuk and Jaroslaw Grytczuk Ljunggren’s trinomials and matrix equation Ax+Ay=Az 229 Yoshitomo Baba and Hiroyuki Miki On strongly almost hereditary rings 237 Naoya Ando A class of real-analytic surfaces in the 3-Euclidean space 251 Shuan-hong Wang A construction of braided Hopf algebras 269 Masanori Kozaki and Sadahiro Maeda A characterization of extrinsic spheres in a Riemannian manifold 291 J.N. Alonso Alvarez, J.M. Fernandez Vilaboa and R. Gonzalez Rodriguez The Hopf algebra structure of a crossed product in a braided monoidal category 299 Masakazu Takiguchi An extension of Rauch comparison theorem to glued Riemannian spaces […]

Author Title Page Gladys Chalom and Hector Merklen Representation type of one point extensions of tilted euclidean algebras 1 Yasuo Kamata The algorithm to calculate the period matrix of the curve xm + yn=1 15 Yasuyuki Nagatomo Singular sets of ideal instantons and Poincare duality 39 Wu Bing-Ye 1-Type minimal surfaces in complex Grassmann manifolds and its Gauss map 49 Hong Jae Kang Integral geometry on product of spheres 61 Satomi Oka On the common divisor of discriminants of integers 69 Reiko Sakamoto Numerical approximation of weak solutions for boundary value problems 79 Bang-yen Chen and Luc Vrancken Lagrangian submanifolds of the complex hyperbolic space 95 Tooru Sasahara On Chen invariant […]

Author Title Page Vitalij A. Chatyrko and Yasunao Hattori Estimations of small transfinite dimension in separable metrizable spaces 221 Michele Mulazzani On periodic Takahashi manifolds 229 Makoto Sakaki Spacelike minimal surfaces in 4-dimensional Lorentzian space forms 239 A. Miyai An explicit formula for the square of the Riemann zeta-function on the critical line 247 Hironobu Honda Analytic regularity of solutions to the Cauchy problem for degenerate parabolic equations 261 Hyunjung Song Some differential-geometric properties of R-spaces 279 Miguel Ortega and Juan de Dios Perez Some conditions on the Weingarten endomorphism of real hypersurfaces in quaternionic space forms 299 Bogdan Suceava The Chen invariants of warped products of hyperbolic planes and […]

Author Title Page Bin Zhu Triangular matrix algebras over quasi-hereditary algebras 1 George Michael,A.A. On the smoothing problem 13 Naohiro Kanesaka Explicit structures of three-dimensional hypersurface purely elliptic singularities of type (0,1) 47 Tadashi Tomaru Pinkham-Demazure construction for two dimensional cyclic quotient singularities 75 Massimo Cicognani, Luisa Zanghirati Nonlinear weakly hyperbolic equations with Levi condition in Gevrey classes 85 Shuan Hong Wang On the braided structures of bicrossproduct Hopf algebras 103 Hiroshi Mikawa On primes in arithmetic progressions 121 Hong Jae Kang, Hiroyuki Tasaki Integral geometry of real surfaces in complex projective spaces 155 Tatsuo Nishitani, Jean Vaillant Smoothly symmetrizable systems and the reduced dimensions 165 Yutaka Iwamoto, Kazuo Tomoyasu […]