Kodai Mathematical Journal

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

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Predecessor

Volume 16, Issue 2

Displaying 1-15 of 15 articles from this issue

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The identity map as a harmonic map of a (4r+3)-sphere with deformed metrics

Shukichi Tanno

1993 Volume 16 Issue 2 Pages 171-180
Published: 1993
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039781

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Finiteness of fundamental group of compact convex integral polyhedra

Mutsuo Oka

1993 Volume 16 Issue 2 Pages 181-195
Published: 1993
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039782

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Some remarks on factorization of entire functions

Hironobu Urabe

1993 Volume 16 Issue 2 Pages 196-204
Published: 1993
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039783

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In connection with the results of G. Song and J. Huang as well as G. Song and L. Liao, concerning the factorization of entire functions, we shall prove the existence of another entire function which is prime but whose square is not pseudo-prime, by making use of Y. Noda's argument.

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On slant immersions into Kähler manifolds

Sadahiro Maeda, Yoshihiro Ohnita, Seiichi Udagawa

1993 Volume 16 Issue 2 Pages 205-219
Published: 1993
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039784

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Margolis homology and Morava K-theory for cohomology of the dihedral group

Jun-Sim Cha

1993 Volume 16 Issue 2 Pages 220-226
Published: 1993
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039785

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In this paper, we note that the Margolis homology H(H^*(BG; Z/p), Q_n) relates deeply the Morava K-theory K(n)^*(BG). In particular we compute K(n)^*(BD) for the dihedral group D by using Atiyah-Hirzebruch spectral sequence.

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How to define singular solutions

Shyuichi Izumiya, Jianming Yu

1993 Volume 16 Issue 2 Pages 227-234
Published: 1993
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039786

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We shall give a rigorous definition of singular solutions of ordinary differential equations of the form F(x, y, dy/dx)=0. Our main result clarifies the geometric meaning of such a definition. All arguments are elementary.

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Sur allures de la densité de Poincaré et ses dérivées au voisinage d'un point frontière

Shinji Yamashita

1993 Volume 16 Issue 2 Pages 235-243
Published: 1993
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039787

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Surfaces of finite type with constant mean curvature

Th. Hasanis, Th. Vlachos

1993 Volume 16 Issue 2 Pages 244-252
Published: 1993
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039788

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Which surfaces in the Euclidean space E³ with constant mean curvature are of finite type? We show that a 3-type surface has non constant mean curvature. Moreover, among surfaces of revolution with constant mean curvature the only ones which are of finite type are: the plane, the sphere, the catenoid and the circular cylinder.

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Normal operators constructed from generalized harmonic measures on open Riemann surfaces

Hisashi Ishida

1993 Volume 16 Issue 2 Pages 253-268
Published: 1993
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039789

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KO-homologies of a few cells complexes

Zen-ichi Yosimura

1993 Volume 16 Issue 2 Pages 269-294
Published: 1993
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039790

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Harmonic mappings, minimal and totally geodesic immersions of compact Riemannian homogeneous spaces into Grassmann manifolds

Osamu Ikawa

1993 Volume 16 Issue 2 Pages 295-305
Published: 1993
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138039791

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On meromorphic derivatives

Yue Fei Wang, Shu Pei Wang

1993 Volume 16 Issue 2 Pages 306-317
Published: 1993
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039792

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On a conjecture of C. C. Yang for the class F of meromorphic functions

Gang Di Qiu

1993 Volume 16 Issue 2 Pages 318-326
Published: 1993
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039793

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In this paper, we give a positive answer to a conjecture of C. C. Yang for the class F of meromorphic functions, and improve a result of C. C. Yang.

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Constancy of holomorphic sectional curvature in indefinite almost Hermitian manifolds

R. K. Nagaich

1993 Volume 16 Issue 2 Pages 327-331
Published: 1993
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138039794

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Correction to: 3-dimensional space-like submanifolds with parallel mean curvature vector of an indefinite space form

1993 Volume 16 Issue 2 Pages 332-333
Published: 1993
Released on J-STAGE: April 24, 2009

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