Tsukuba Journal of Mathematics

Vol.26, No.2 (2002)

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	313
Norifumi Yamatani	S4-formula and S2-formula for quasi-triangular biFrobenius algebras	339
Sorin Dragomir and Jun Masamune	Cauchy-Riemann orbifolds	351
Reiko Sakamoto	Dirichlet-Neumann problem in a domain with piecewise-smooth boundary	387
Kazunari Sugiyama	b-Functions of regular simple prehomogeneous vector spaces	407

Vol.27, No.1 (2003)

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 split Freudenthal R-vector space	113
Kuniko SAKAMOTO	Three-Distance Sequences with Three Symbols	129
Katsuro Sakai and Masato Yaguchi	Characterizing Manifolds Modeled on Certain Dense Subspaces of Non-Separable 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 well-posedness for hyperbolic equations with singular coefficients	189
Toshikazu Miyashita	Fixed points subgroups by two involutive automorphisms σ, γ of compact exceptional Lie groups F₄, E₆ and E₇	199

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 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
Satoru Kikuchi	Bound for the Weierstrass weights of points on a smooth plane algebraic curve	359
Taka-aki 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 k-spaces, 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.28, No.1 (2004)

Author

Title

Page

Hideki Takuwa

Analytic smoothing effects for a class of dispersive equations

Masakazu Takamura

On the Estimate of the Arithmetic Genus for Normal Two-Dimensional Singularities on Double Coverings

Takashi SADAMATSU

On a necessary condition for the wellposedness of the Cauchy problem for some degenerate parabolic equations

Shou Lin and Li Yan

A note on spaces with σ-compact-finite weak base

Mitsuaki Yato

On the Verschiebung morphism for g(λ)

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 continuous linear operators in Gevrey classes

137

H. Murat Tuncali and Vesko Valov

On Finite-dimensional maps

155

Alessandro Languasco

On the exceptional set of Hardy-Littlewood's numbers in short intervals

169

Piotr Dacko

On almost para-cosymplectic manifolds

193

Yanhua Wang and Pu Zhang

Construct bi-Frobenius algebras via quivers

215

Naoya Ando

Parallel curved surfaces

223

Vol.28, No.2 (2004)

Author	Title	Page
Joujuu Ohmori	Simple components of Q [Sp₄(F_q)]	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 Dragomir	On the regularity of weak subelliptic F-harmonic 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