Tsukuba Journal of Mathematics

Vol.36, No.1 (2012)
Author  Title  Page  Kunihiko Kajitani  Asymptotic behaviors for multidimensional Kirchhoff equations  1  Keiichi Kikuchi  The construction of rotation surfaces of constant mean curvature and the corresponding Lagrangians  43  Masaru Kada and Yasuo Yoshinobu  GaloisTukey connection involving sets of metrics  53  Tomohiro Fukaya  Sublinear Higson corona of Euclidean cone  67  Yasutomo Asai  Loop groups $SL_2(F[X,X^1])$, universal central extensions and additive Steinberg symbols  79  Mayuko Kon  Pseudoparallel CR submanifolds of a complex space form  99  Takao Hayami  Hochschild cohomology ring of a maximal order of the quaternion algebra  111  GaoYan Jia and ZhenRong Zhou  Gaps of $F$YangMills fields on submanifolds  121  Yoshiteru Kurosawa  On a classification of 3simple prehomogeneous vector spaces with two irreducible components  135  

Vol.35, No.2 (2011)
Author  Title  Page  Tetsuya Hosaka  On boundaries of coxeter groups and topological fractal structures  153  Sorin Dragomir and Andrea Tommasoli  On pharmonic maps into spheres  161  Chuan Liu and Yoshio Tanaka  Metrizability of ordered additive groups  169  Fatima Zohra Mezeghrani  Necessary and sufficient conditions for the solvability and maximal regularity of abstract differential equations of mixed type in UMD spaces  185  Kota Takeuchi  A generalization of Shelah's omitting types theorem  203  Makoto Sakaki  Lorentzian stationary surfaces in 4dimensional space forms of index 2  215  Keiju Sono  A second limit formula for higher rank twisted Epstein zeta functions and some applications  231  Genichi Oshikiri  On killing fields preserving minimal foliations of of polynomial growth at most 2  253  Alberto Favaron and Angelo Favini  Fractional powers and interpolation theory for multivalued linear operators and applications to degenerate differential equations  259  

Vol.35, No.1 (2011)
Author  Title  Page  Ayato Mitsuishi  The GromovHausdorff 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 quasilinear 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 squasinormally embedded and ssquasinormal subgroups of finite groups  91  Mikhail Sgibnev  An asymptotic expansion for the distribution of the supremum of a Markovmodulated random walk  103  Michio Hamada  On the quasiirreducibility and complete quasireducibility of some reductive prehomogeneous vector spaces  115  Atsushi Ishii and Kengo Kishimoto  The Quandle coloring invariant of a reducible handlebodyknot  131  Yuki Anbo  Random graphs with a randam bijection  143  

Vol.34, No.2 (2010)
Author  Title  Page  Naoyuki Koike  Hermann type actions on a pseudoRiemannian symmetric space  137  Hiroyuki Nakaoka  Comparison of the definitions of abelian 2categories  173  Nobuhiro Aki  On the Cartier duality of certain finite group schemes of type $(p^n ,..., p^n)$  183  Hisashi Kojima  On Siegel modular cusp forms of degree two.  201  Tomoo Yokoyama  On some classes of spectral posets  213  Tomoyuki Kakehi and Kensuke Sakai  Behavior of solutions to linear and semilinear parabolic pseudodifferential equations  221  Takeshi Kurosawa, Yohei Tachiya, and Takaaki Tanaka  Algebraic independence of infinite products generated by Fibonacci numbers  255  Takashi Kondo  On the group of extensions Ext^1(G^$(&lambda)$_0),E^$(&lambda)$,...,$(&lambda)$_n)) over a discrete valuation ring  265  

Vol.34, No.1 (2010)
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  Bernoullitype relations in some noncommutative polynomial ring  97  Kazuhiro Okumura  Odd dimentional Riemannian submanifolds admitting the almost contact metric structure in a Euclidean sphere  117  Mohammed Hichem Mortad  Similarities involving unbounded normal operators  129  

Vol.33, No.2 (2009)
Author  Title  Page  Junichi 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 Daewon and Shyamal Kumar Hui  On quasiEinstein spacetimes  305  

Vol.33, No.1 (2009)
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  UHang 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 D4type 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 time for reactiondiffusion systems with inhomogeneous terms in cones  131  Shinetsu Tamura and Nobuhiro Innami  Circular billiards and parallel axiom in convex billiards  147  Hisashi Kojima  The lifting of elliptic modular forms to Hilbert modular forms and Petersson inner products  161  Masaya Ouchi  A classification of ksimple prehomogeneous vector spaces under some conditions  177  

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  

Vol.27, No.2 (2003)
Author  Title  Page  Fumihiko HIROSAWA and Hideo NAKAZAWA  Rapid decay of the total energy for dissipative wave equations  217  Atsuko Fujisawa  The classification of 3dimensional hypersurface purely elliptic singularities of (0,1)type  233  Seiji Hiraba  Asymptotic estimates for densities of multidimensional 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 CheegerGromoll 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  Satoru Kikuchi  Bound for the Weierstrass weights of points on a smooth plane algebraic curve  359  Takaaki Tanaka  Algebraic independence of Fibonacci reciprocal sums associated with Newton's method  375  Tatsuo Nishitani and Jean Vaillant  Smoothly symmetrizable systems and the reduced dimensions II  389  Yoshio Tanaka and Yuuko Shimizu  Products of kspaces, and special countable spaces  405  Yuki Kurokawa and Hiroyuki Takamura  A weighted pointwise estimate for two dimensional wave equations and its application to nonlinear systems  417  

Vol.27, No.1 (2003)
Author  Title  Page  Massimo Cicognani  The Cauchy Problem for Strictly Hyperbolic Operators with NonAbsolutely Continuous Coefficients  1  Ryszard Deszcz and Marian Hotlos  On Some Pseudosymmetry Type Curvature Condition  13  Noriaki Umeda  Blowup and Large Time Behavior of Solutions of a Weakly Coupled System of ReactionDiffusion 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 Rvector space and split Freudenthal Rvector space  113  Kuniko SAKAMOTO  ThreeDistance Sequences with Three Symbols  129  Katsuro Sakai and Masato Yaguchi  Characterizing Manifolds Modeled on Certain Dense Subspaces of NonSeparable Hilbert Spaces  143  Takao Komatsu  Simple Continued Fraction Expansions of Some Values of Certain Hypergeometric Functions  161  Kazuya Hayashida  Unique continuation for fast diffusion  175  Daniele Del Santo and Martino Prizzi  A remark on wellposedness for hyperbolic equations with singular coefficients  189  Toshikazu Miyashita  Fixed points subgroups by two involutive automorphisms σ, γ of compact exceptional Lie groups F_{4}, E_{6} and E_{7}  199  

Vol.26, No.2 (2002)
Author  Title  Page  Masahiro Kaminaga and Fumihiko Nakano  Spectral properties of quasiperiodic KronigPenney 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 realanalytic surfaces in the 3Euclidean space  251  Shuanhong 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  313  Norifumi Yamatani  S4formula and S2formula for quasitriangular biFrobenius algebras  339  Sorin Dragomir and Jun Masamune  CauchyRiemann orbifolds  351  Reiko Sakamoto  DirichletNeumann problem in a domain with piecewisesmooth boundary  387  Kazunari Sugiyama  bFunctions of regular simple prehomogeneous vector spaces  407  