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Tsukuba Journal of Mathematics

Vol.28, No.2 (2004)
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 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
Vol.29, No.1 (2005)
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 for Inhomogeneous Diophantine Approximation
173
Kaori Yamazaki
Extending pointwise bounded equicontinuous collections of functions
197
Reiko SAKAMOTO
A complete sequence of orthogonal subsets in HM (Rn) and a numerical approximation for boundary value problems
215
Yun Myung Oh and Joon Hyuk Kang
Lagrangian H-umbilical 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 p3
259
Vol.29, No.2 (2005)
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 form in terms of the Ricci tensor
511
Aleksander Grytczuk and Barbara Medryk
On a result of Flammenkamp-Luca concerning noncototient sequence
533
Takashi OKAYASU
A Gap theorem for complete four-dimensional manifolds with dW+ = 0
539
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
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 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.26, No.1 (2002)
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 of CR-submanifolds in a complex hyperbolic space
119
E. Ballico
Trigonal Gorenstein curves and Weierstrass points
133
Camillo Costantini and Valentin Gutev
Recognizing special metrics by topological properties of the "metric"-proximal hyperspace
145
Toshiyuki Ichiyama
The first variation formula for Weyl structures
171
Adriana Nenciu
The center construction for weak Hopf algebras
189
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.24, No.2 (2000)
Author
Title
Page
Hajime Ono
Vanishing theorem for 2-torsion instanton invariants
221
Yury Nikolayevsky
Surfaces with simple geodesics
233
Alejandro Illanes
Zero-dimensional subsets of hyperspaces
249
Nobuo Nakazawa
On hypoellipticity for a class of pseudo-differential operators
257
Hyang Sook Kim, Yong-Soo Pyo and Kyoung-Hwa Shin
On the Chern-type problem in an indefinite Kahler geometry
279
Henryk Michalewski
Homogeneity of K(Q)
297
Liu Jinlin
Ruscheweyh derivative and strongly starlike functions
303
Setsuo Nagai
Invariant homogeneous structures on homogeneous real hypersurfaces in a complex projective space and an odd-dimensional sphere
311
David E. Dobbs
When is an ordered field a metric space?
325
Wu Bing-Ye
Curvature pinching theorems for minimal surfaces in complex Grassmann manifolds
337
Hiroshi Mikawa
On exponential sums over primes in arithmetic pro-gressions
351
Hiroshi Mikawa
On Goldbach numbers in arithmetic progressions
361
Jorg Brudern and Trevor D. Wooley
On Waring's problem: two cubes and seven biquadrates
387
Csaba Vincze
On the existence of C-conformal changes of Riemann-Finsler metrics
419
Noriaki Sato
On Lagrangian H-umbilical surfaces in CP^2(C)
427
Beatrice Ruini and Fulvia Spaggiari
Corrigendum to "On the structure of Takahashi manifolds"
433
Vol.25, No.1 (2001)
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
Higson compactifications obtained by expanding and contracting the half-open interval
179
Nicolas Andruskiewitsch, Sonia Natale
Counting arguments for Hopf algebras of low dimension
187
Sorin Dragomir, Maria Rosaria Enea
Unstable harmonic maps into real hypersurfaces of a complex Hopf manifold
203
Julian Fernandez Bonder, Julio D. Rossi
Life span for solutions of the heat equation with a nonlinear boundary condition
215