Memoirs of the Faculty of Science, Kyushu University. Series A, Mathematics

Online ISSN : 1883-2172
Print ISSN : 0373-6385
ISSN-L : 0373-6385

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Issue 2 Pages 67-
Issue 1 Pages 1-

Volume 44, Issue 2

Displaying 1-8 of 8 articles from this issue

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COMPLETE SPACE-LIKE HYPERSURFACES OF A DE SITTER SPACE WITH r = kH

Qing-ming CHENG

1990Volume 44Issue 2 Pages 67-77
Published: 1990
Released on J-STAGE: August 01, 2007

DOIhttps://doi.org/10.2206/kyushumfs.44.67

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In this paper, we classify complete space-like hypersurfaces in a de Sitter space with non-negative sectional curvature and r = kH, where k is a nonnegative constant, and r and H are the scalar curvature and the mean curvature respectively.

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ON THE GALOIS GROUPS RELATED WITH CERTAIN Z_p-EXTENSIONS

Hiroshi MURAKAMI

1990Volume 44Issue 2 Pages 79-87
Published: 1990
Released on J-STAGE: August 01, 2007

DOIhttps://doi.org/10.2206/kyushumfs.44.79

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SOME CHARACTERIZATIONS OF NEAR-FIELDS II

Chul Kon BAE, June Won Park

1990Volume 44Issue 2 Pages 89-93
Published: 1990
Released on J-STAGE: August 01, 2007

DOIhttps://doi.org/10.2206/kyushumfs.44.89

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In this paper, we can find equivalent conditions of near-fields. A zero-symmetric near-ring N is a near-field if and only if N has a left cancellable element and _NN is N-simple. A near-ring N is a near-field if and only if N has a left cancellable element and N is Q-simple.

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PSEUDOCONVEX RIEMANN DOMAINS OF GENERAL ORDER OVER STEIN MANIFOLDS

Kazuko MATSUMOTO

1990Volume 44Issue 2 Pages 95-109
Published: 1990
Released on J-STAGE: August 01, 2007

DOIhttps://doi.org/10.2206/kyushumfs.44.95

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FAMILIES OF COMPLEX ANALYTIC CURVES AND MEROMORPHIC MAPPINGS OF POINCARÉ OF SEVERAL COMPLEX VERIABLES.

Takashi KIZUKA

1990Volume 44Issue 2 Pages 111-128
Published: 1990
Released on J-STAGE: August 01, 2007

DOIhttps://doi.org/10.2206/kyushumfs.44.111

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ENNOLA TYPE DUALITIES IN THE CHARACTER TABLES OF SOME ASSOCIATION SCHEMES

Eiichi BANNAI, Wing Man KWOK, Sung Yell SONG

1990Volume 44Issue 2 Pages 129-143
Published: 1990
Released on J-STAGE: August 01, 2007

DOIhttps://doi.org/10.2206/kyushumfs.44.129

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A SUFFICIENT CONDITION FOR OBTAINING SOLUTIONS OF A MAXIMIZING PROBLEM BY A PROJECTION

Kentaro NOMAKUCHI

1990Volume 44Issue 2 Pages 145-153
Published: 1990
Released on J-STAGE: August 01, 2007

DOIhttps://doi.org/10.2206/kyushumfs.44.145

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AXIOMS AND JACOBI VECTOR FIELDS OF HADAMARD MANIFOLDS

Tadashi YAMAGUCHI

1990Volume 44Issue 2 Pages 155-163
Published: 1990
Released on J-STAGE: August 01, 2007

DOIhttps://doi.org/10.2206/kyushumfs.44.155

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