Kodai Mathematical Journal

Online ISSN : 1881-5472
Print ISSN : 0386-5991
ISSN-L : 0386-5991

Browse

Search
Browse

All issues

Predecessor

Volume 17, Issue 2

Displaying 1-16 of 16 articles from this issue

Download citation

Show all abstracts

Complex hypersurfaces diffeomorphic to affine spaces

A. D. R. Choudary, A. Dimca

1994 Volume 17 Issue 2 Pages 171-178
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039958

JOURNAL FREE ACCESS

Download PDF (663K)
Conformal geometry of Ricci flat 4-manifolds

Mitsuhiro Itoh

1994 Volume 17 Issue 2 Pages 179-200
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039959

JOURNAL FREE ACCESS

Download PDF (1989K)
On the local behavior of certain homeomorphisms

Melkana Brakalova, James A. Jenkins

1994 Volume 17 Issue 2 Pages 201-213
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039960

JOURNAL FREE ACCESS

Download PDF (771K)
The Hadamard variation of the ground state value of some quasi-linear elliptic equations

Susumu Roppongi

1994 Volume 17 Issue 2 Pages 214-227
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039961

JOURNAL FREE ACCESS

Download PDF (798K)
Homogenization of a reflecting barrier Brownian motion in a continuum percolation cluster in R^d

Hideki Tanemura

1994 Volume 17 Issue 2 Pages 228-245
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039962

JOURNAL FREE ACCESS

Download PDF (1251K)
Some results on rigidity of holomorphic mappings

Yoshihisa Kubota

1994 Volume 17 Issue 2 Pages 246-255
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039963

JOURNAL FREE ACCESS

Download PDF (616K)
Harmonic dimension and extremal length

Shigeo Segawa

1994 Volume 17 Issue 2 Pages 256-261
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039964

JOURNAL FREE ACCESS

Download PDF (474K)
Geometry and topology of submanifolds immersed in space forms and ellipsoids

Xue-Shan Zhang

1994 Volume 17 Issue 2 Pages 262-272
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039965

JOURNAL FREE ACCESS

Show abstractHide abstract

Let M^m be a compact submanifold of a simply connected space form Nⁿ(c) with c{≥}0. Denote by s and H the square length of the second fundamental form and the mean curvature vector field of M respectively. By introducing a selfadjoint linear operator Q^A associated with the shape operator of M, we show that there are no stable currents in M and topologically, M is a sphere if s<H²/(m−1). For an immersed submanifold of the ellipsoid we show that appropriate assumption on Q^A implies the vanishing of a given homology group.

View full abstract

Download PDF (720K)
On the sharp growth of analytic Cauchy-Stieltjes transforms

D. J. Hallenbeck, K. Samotij

1994 Volume 17 Issue 2 Pages 273-289
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039966

JOURNAL FREE ACCESS

Download PDF (948K)
Hypersurfaces of a sphere with 3-type quadric representation

Ji-Tan Lu

1994 Volume 17 Issue 2 Pages 290-298
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039967

JOURNAL FREE ACCESS

Show abstractHide abstract

We study hypersurfaces of a sphere with 3-type quadric representation. Two theorems are obtained, and some eigenvalue inequalities are proved.

View full abstract

Download PDF (554K)
The complex oscillation theory of f''+Af'+Bf=F, where A, B, F{¬≡}0 are transcendental meromorphic functions

Xian-Yu Li

1994 Volume 17 Issue 2 Pages 299-310
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039968

JOURNAL FREE ACCESS

Show abstractHide abstract

In this paper, we investigate the complex oscillation of the differential equation
f''+Af'+Bf=F
where A, B, F{¬≡}0 are finite order transcendental meromorphic functions. In some cases we obtain estimates of the order of growth and the exponent of convergence of the zero-sequence of solutions for above equation. Theorem 3 and Theorem 4 are the main results among the Theorems in this paper.

View full abstract

Download PDF (805K)
Remarks on fundamental groups of complements of divisors on algebraic varieties

Ichiro Shimada

1994 Volume 17 Issue 2 Pages 311-319
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039969

JOURNAL FREE ACCESS

Download PDF (653K)
On spectral characterizations of minimal hypersurfaces in a sphere

Qing Ding

1994 Volume 17 Issue 2 Pages 320-328
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039970

JOURNAL FREE ACCESS

Show abstractHide abstract

Let M be a closed minimal hypersurface in an Euclidean sphere Sⁿ⁺¹(1). We first prove that a minimal isoparametric hypersurface M in a 4-dimensional sphere is completely determined by its spectrum Spec^p(M), here p∈{0, 1, 2, 3}. In higher dimensional sphere, we prove that if Spec^p(M)=Spec^p(M_{m, n−m}) for p=0, 1, where
M_{m, n−m}=S^m(√{\frac{m}{n}})×S^n−m(√{\frac{n−m}{n}})
is a Clifford torus, then M is M_{m, n−m}. Furthermore, we prove that M_{n, n}→S²ⁿ⁺¹(1) (n{≥}4) is also characterized by Spec^p(M_{n, n}) for some p=p(n).

View full abstract

Download PDF (653K)
Some estimates for meromorphic functions sharing four values

Hideharu Ueda

1994 Volume 17 Issue 2 Pages 329-340
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039971

JOURNAL FREE ACCESS

Download PDF (869K)
Timelike surfaces with mean curvature one in anti-de Sitter 3-space

JianQiao Hong

1994 Volume 17 Issue 2 Pages 341-350
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039972

JOURNAL FREE ACCESS

Download PDF (645K)
Harmonic dimension of covering surfaces

Hiroaki Masaoka, Shigeo Segawa

1994 Volume 17 Issue 2 Pages 351-359
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039973

JOURNAL FREE ACCESS

Download PDF (608K)

feedback

Top

Register with J-STAGE for free!