Tsukuba Journal of Mathematics

Vol.32, No.2 (2008)
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 4cycles  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 kth power  349  Taro Kimura  Stability of certain reflective submanifolds in compact symmetric spaces  361  Jörg Brüdern, Koichi Kawada and Trevor D. Wooley  Additive representation in thin sequences, VII: Restricted moments of the number of representations  383  Naonori Ishii and Katsuaki Yoshida  Correction to the automorphism group of a cyclic pgonal curve  407  

Vol.32, No.1 (2008)
Author  Title  Page  Hideyuki Sakaguchi  A Matsumototype 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 lightlike 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 graph  155  Chuan Liu, Shou Lin and Lewis D. Ludwig  Spaces with a σpointdiscrete weak base  165  YunFeng Bai and Takuo Miwa  On pmaps and Mmaps  179  Shigeki Akiyama, Horst Brunotte, Attila Pethö and Wolfgang Steiner  Periodicity of certain piecewise affine planar maps  197  

Vol.31, No.2 (2007)
Author  Title  Page  Luigia Di Terlizzi, Jerzy J. Konderak and Robert Wolak  A generalization of the BoothbyWang 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 2g2h1(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  Masaya Tomie  Group presentation of the Schurmultiplier derived from a loop group  355  Kouhei Miura  Construction of harmonic maps between semiRiemannian spheres  397  

Vol.31, No.1 (2007)
Author  Title  Page  Naonori Ishii and Katsuaki Yoshida  The automorphism group of a cyclic pgonal curve  1  Hiroaki Niikuni  Identification of the absent spectral gaps in a class of generalized KronigPenney 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 KleinGordon equations with potential  143  Shichang Shu  Curvature and rigidity of Willmore submanifolds  175  Mitsuhiro Itoh and Takanari Saotome  The Serre duality theorem for holomorphic vector bundles over a strongly pseudoconvex manifold  195  Jiryo Komeda and Akira Ohbuchi  On double coverings of a pointed nonsingular curve with any Weierstrass semigroup  205  

Vol.30, No.2 (2006)
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 onedimensional generalized diffusion processes  273  Jong Taek Cho  Leviparallel hypersurfaces in a complex space form  329  Takaaki Tanaka  Algebraic independence of modified reciprocal sums of products of Fibonacci numbers  345  Dorota Kowalczyk  On the ReissnerNordstörmde Sitter type spacetimes  363  Katsumi Nagai  The integrated density of stated of onedimensional random Schrödinger operator with white noise potential and background  383  Vitalij A.Chatyrko  Subspaces of the Sorgenfrey line and their products  401  Alessia Ascanelli  Gevrey well posedness for a second order weakly hyperbolic equation with non regular in time coefficients  415  Hiroshi Tanaka and Hirokazu Yokoyama  Quantifier elimination of the products of ordered Abelian groups  433  Florian Luca and Igor E. Shparlinski  On the number of polynomial maps into Zn  439  

Vol.30, No.1 (2006)
Author  Title  Page  Naoya ANDO  Semisurfaces and The Equations of Codazzimainardi  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  Spacelike isothermic surfaces and Grassmannian systems  81  P.A.Krutitskii and V.V.Kolybasova  The DirichletNeumann Problem for the Dissipative Helmholtz Equation in a 2D 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 nonseparable absolute Borel classes  137  Sorin Dragomir and Ermanno Lanconelli  On first order linear PDE systems all of whose solutions are harmonic functions  149  Carlos Biasi and Alice Kimie Miwa Libardi  Remarks on the Bordism Intersection Map  171  Masato Yaguchi  Hyperspaces of finite subsets of nonseparable Hilbert spaces  181  DeJun Feng, Maki Furukado, Shunji Ito and Jun Wu  Pisot substitutions and the Hausdorff dimension of boundaries of Atomic surfaces  195  Toshiji Terada  Continuity of interpolations  225  Alessandro Languasco  CORRIGENDUM TO: On the exceptional set of HardyLittlewood's numbers in short intervals  237  

Vol.29, No.2 (2005)
Author  Title  Page   Scattering for Nonlinear Symmetric Hyperbolic Systems  285  Takaaki Ohkubo and Kunio Sakamoto  CR EinsteinWeyl 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 Noncommutative extensions of Ga by Gm over an FpAlgebra  405  Yasuhiro Niitsuma  On the extensions of Wn by G over an ZpAlgebra  437  Jinichi Itoh and Fumiko Ohtsuka  Total curvature of noncompact piecewise Riemannian 2Polyhedra  471  Mukut Mani Tripathi, Tooru Sasahara and JeongSik Kim  On invariant submanifolds of contact metric manifolds  495  UHang Ki and Setsuo Nagai  Real hypersurfaces of a nonflat complex space form in terms of the Ricci tensor  511  Aleksander Grytczuk and Barbara Medryk  On a result of FlammenkampLuca concerning noncototient sequence  533  Takashi OKAYASU  A Gap theorem for complete fourdimensional manifolds with dW+ = 0  539  

Vol.29, No.1 (2005)
Author  Title  Page   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 S^{n+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 PseudoKähler Solvmanifolds with no Kähler Structures  79  Reiko SAKAMOTO  Energy method for numerical analysis  111  Gabriela Putinar  Finite jet determination for biholomorphisms of realanalytic hypersurfaces in C^{N}  147  Shinichi YASUTOMI  On A New Algorithm for Inhomogeneous Diophantine Approximation  173  Kaori Yamazaki  Extending pointwise bounded equicontinuous collections of functions  197  Reiko SAKAMOTO  A complete sequence of orthogonal subsets in H^{M} (R^{n}) and a numerical approximation for boundary value problems  215  Yun Myung Oh and Joon Hyuk Kang  Lagrangian Humbilical submanifolds in quaternion Euclidean spaces  233  Takahiko FURUYA  On an algebra associated with a circular quiver and its periodic projective bimodule resolution  247  Gastón Andrés García  On Hopf algebras of dimension p^{3}  259  

Vol.28, No.2 (2004)
Author  Title  Page  Joujuu Ohmori  Simple components of Q [Sp_{4}(F_{q})]  245  E. Ballico  Holomorphic vector bundles on quadric hypersurfaces of infinitedimensional 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 SGhyperbolic equations  311  Tatsuji Tanaka  On arithmetical bounds of Chowforms  363  Shuanhong Wang  A Maschke Type Theorem for Hopf πComodules  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 Dragomir  On the regularity of weak subelliptic Fharmonic maps  417  Reiko SAKAMOTO  Restricted energy inequalities and numerical approximations  437  T.Banakh, R.Cauty, K.Trushchak, and L.Zdomskyi  On Universality of Finite Products of Polish Spaces  455  

Vol.28, No.1 (2004)
Author  Title  Page   Analytic smoothing effects for a class of dispersive equations  1  Masakazu Takamura  On the Estimate of the Arithmetic Genus for Normal TwoDimensional 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 σcompactfinite 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 nonKähler Manifolds  127  Alessandro Morando  Hypoellipticity and local solvability of pseudolocal continuous linear operators in Gevrey classes  137  H. Murat Tuncali and Vesko Valov  On Finitedimensional maps  155  Alessandro Languasco  On the exceptional set of HardyLittlewood's numbers in short intervals  169  Piotr Dacko  On almost paracosymplectic manifolds  193  Yanhua Wang and Pu Zhang  Construct biFrobenius algebras via quivers  215  Naoya Ando  Parallel curved surfaces  223  