Tsukuba Journal of Mathematics

Author

Title

Page

Bifurcation of the Kolmogorov flow with an external friction

Nobuya Suzuki

Models of Peano arithematic as modules over initial segments

Zejun Hu and Haizhong Li

A rigidity theorem for hypersurfaces with positive Moebius Ricci curvature in Sⁿ⁺¹

Saburô UCHIYAMA

A Note on the Generalized Josephus Problem

Takuma Ogawa

Similarities between the trigonometric function and the lemniscate function from arithmetic view point

Takumi Yamada

A Construction of Compact Pseudo-Kähler Solvmanifolds with no Kähler Structures

Reiko SAKAMOTO

Energy method for numerical analysis

Gabriela Putinar

Finite jet determination for biholomorphisms of real-analytic hypersurfaces in C^N

Shin-ichi YASUTOMI

On A New Algorithm for Inhomogeneous Diophantine Approximation

Kaori Yamazaki

Extending pointwise bounded equicontinuous collections of functions

Reiko SAKAMOTO

A complete sequence of orthogonal subsets in H^M (Rⁿ) and a numerical approximation for boundary value problems

Yun Myung Oh and Joon Hyuk Kang

Lagrangian H-umbilical submanifolds in quaternion Euclidean spaces

Takahiko FURUYA

On an algebra associated with a circular quiver and its periodic projective bimodule resolution

Gastón Andrés García

On Hopf algebras of dimension p³

Author

Title

Page

Scattering for Nonlinear Symmetric Hyperbolic Systems

Takaaki Ohkubo and Kunio Sakamoto

CR Einstein-Weyl structures

Takao Hayami

On Hochschld cohomology ring of the integral group ring of the quaternion group

Alina Iacob

Generalized Tate cohomology

Yuki Haraguchi

On Non-commutative extensions of Ga by Gm over an Fp-Algebra

Yasuhiro Niitsuma

On the extensions of Wn by G over an Zp-Algebra

Jin-ichi Itoh and Fumiko Ohtsuka

Total curvature of noncompact piecewise Riemannian 2-Polyhedra

Mukut Mani Tripathi, Tooru Sasahara and Jeong-Sik Kim

On invariant submanifolds of contact metric manifolds

U-Hang Ki and Setsuo Nagai

Real hypersurfaces of a nonflat complex space form in terms of the Ricci tensor

Aleksander Grytczuk and Barbara Medryk

On a result of Flammenkamp-Luca concerning noncototient sequence

Takashi OKAYASU

A Gap theorem for complete four-dimensional manifolds with dW+ = 0

Author

Title

Page

Fumihiko HIROSAWA and Hideo NAKAZAWA

Rapid decay of the total energy for dissipative wave equations

Atsuko Fujisawa

The classification of 3-dimensional hypersurface purely elliptic singularities of (0,1)-type

Seiji Hiraba

Asymptotic estimates for densities of multi-dimensional stable distributions

Tetsuya Hosaka

A splitting theorem for CAT (0) spaces with the geodesic extension property

Mohamed Tahar Kadaoui ABBASSI and Maati SARIH

Killing vector fields on tangent bundles with Cheeger-Gromoll metric

Koji Tsushima

On a decomposition of Bruhat type for a certain finite group

Saburo UCHIYAMA

On the generalized Josephus problem

J. Hancl and S. Sobkova

A general criterion for linearly unrelated sequences

Satoru Kikuchi

Bound for the Weierstrass weights of points on a smooth plane algebraic curve

Taka-aki Tanaka

Algebraic independence of Fibonacci reciprocal sums associated with Newton's method

Tatsuo Nishitani and Jean Vaillant

Smoothly symmetrizable systems and the reduced dimensions II

Yoshio Tanaka and Yuuko Shimizu

Products of k-spaces, and special countable spaces

Yuki Kurokawa and Hiroyuki Takamura

A weighted pointwise estimate for two dimensional wave equations and its application to nonlinear systems

Author

Title

Page

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

Tomonori Noda

Reduciton of locally conformal symplectic manifolds with examples of non-Kähler Manifolds

Alessandro Morando

Hypoellipticity and local solvability of pseudolocal continuous linear operators in Gevrey classes

H. Murat Tuncali and Vesko Valov

On Finite-dimensional maps

Alessandro Languasco

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

Piotr Dacko

On almost para-cosymplectic manifolds

Yanhua Wang and Pu Zhang

Construct bi-Frobenius algebras via quivers

Naoya Ando

Parallel curved surfaces

Author

Title

Page

Gladys Chalom and Hector Merklen

Representation type of one point extensions of tilted euclidean algebras

Yasuo Kamata

The algorithm to calculate the period matrix of the curve x^m + yⁿ=1

Yasuyuki Nagatomo

Singular sets of ideal instantons and Poincare duality

Wu Bing-Ye

1-Type minimal surfaces in complex Grassmann manifolds and its Gauss map

Hong Jae Kang

Integral geometry on product of spheres

Satomi Oka

On the common divisor of discriminants of integers

Reiko Sakamoto

Numerical approximation of weak solutions for boundary value problems

Bang-yen Chen and Luc Vrancken

Lagrangian submanifolds of the complex hyperbolic space

Tooru Sasahara

On Chen invariant of CR-submanifolds in a complex hyperbolic space

E. Ballico

Trigonal Gorenstein curves and Weierstrass points

Camillo Costantini and Valentin Gutev

Recognizing special metrics by topological properties of the "metric"-proximal hyperspace

Toshiyuki Ichiyama

The first variation formula for Weyl structures

Adriana Nenciu

The center construction for weak Hopf algebras