KODAI MATHEMATICAL SEMINAR REPORTS

Online ISSN : 1881-5480
Print ISSN : 0023-2599
ISSN-L : 0023-2599

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Issue 1-2 Pages 1-

Volume 29, Issue 1-2

Displaying 1-15 of 15 articles from this issue

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On some operations in the bordism theory with singularities

Nobuaki Yagita

1977 Volume 29 Issue 1-2 Pages 1-9
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833569

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Almost Hermitian manifolds and the Bochner curvature tensor

Lieven Vanhecke, Kentaro Yano

1977 Volume 29 Issue 1-2 Pages 10-21
Published: 1977
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138833570

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Real hypersurfaces in quaternionic Kaehlerian mamifolds with constant Q-sectional curvature

Jin Suk Pak

1977 Volume 29 Issue 1-2 Pages 22-61
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833571

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Fixed points for condensing multifunctions in metric spaces with convex structure

Louis A. Talman

1977 Volume 29 Issue 1-2 Pages 62-70
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833572

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Asymptotic behavior of the W-K-B approximations near a Stokes curve

Toshihiko Nishimoto

1977 Volume 29 Issue 1-2 Pages 71-87
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833573

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Second order linear ordinary differential equations with turning points and singularities I

Minoru Nakano

1977 Volume 29 Issue 1-2 Pages 88-102
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833574

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Holomorphic isomorphism which preserves certain holomorphic sectional curvature

Minoru Kobayashi, Susumu Tsuchiya

1977 Volume 29 Issue 1-2 Pages 103-119
Published: 1977
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138833575

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Invariant closed geodesics under isometries of prime power order

Minoru Tanaka

1977 Volume 29 Issue 1-2 Pages 120-129
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833576

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On a characteristic property of the exponential function

Tadashi Kobayashi

1977 Volume 29 Issue 1-2 Pages 130-156
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833577

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The Carathéodory metric in plane domains

Jacob Burbea

1977 Volume 29 Issue 1-2 Pages 157-166
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833578

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Let D∉O_AB be a plane domain and let C_D(z) be its analytic capacity at z∈D. Let \mathscr{K}_D(z) be the curvature of the Carathéodory metric C_D(z)|dz|. We show that \mathscr{K}_D(z)<−4 the Ahlfors function of D with respect to z has a zero other than z. For finite D, \mathscr{K}_D(z){≤}−4 and equality holds if and only if D is simply connected. As a corollary we obtain a result proved first by Suita, namely, that \mathscr{K}_D(z){≤}−4 if D∉O_AB. Several other properties related to the Carathéodory metric are proven.

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On certain entire functions which together with their derivatives are prime

Hironobu Urabe, Chung-Chun Yang

1977 Volume 29 Issue 1-2 Pages 167-178
Published: 1977
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138833579

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On level curves of Green's functions

M. S. Pallmann

1977 Volume 29 Issue 1-2 Pages 179-185
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833580

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Biharmonic and quasiharmonic degeneracy

Lung Ock Chung, Leo Sario, Cecilia Wang

1977 Volume 29 Issue 1-2 Pages 186-196
Published: 1977
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138833581

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A remark on the third coefficient of meromorphic univalent functions

Yoshihisa Kubota

1977 Volume 29 Issue 1-2 Pages 197-206
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833582

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The rank of an f-structure

R. E. Stong

1977 Volume 29 Issue 1-2 Pages 207-209
Published: 1977
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138833583

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