Kodai Mathematical Journal

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

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Predecessor

Volume 17, Issue 3

Displaying 1-33 of 33 articles from this issue

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Cycles algébriques et homomorphismes en homologie d'intersection

Jean-Paul Brasselet

1994Volume 17Issue 3 Pages 361-373
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040027

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A geometrical approach to the Jacobian conjecture for n=2

Lê Dung Tráng, Claude Weber

1994Volume 17Issue 3 Pages 374-381
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040028

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An algebraic approach to the regularity index of fat points in Pⁿ

Ngô Viêt Trung

1994Volume 17Issue 3 Pages 382-389
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040029

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The aim of this note is to present an efficient algebraic method for the estimation of the (Castelnuovo) regularity index of fat points in Pⁿ and to discuss recent results on this topic.

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A note on Gorenstein dimension and the Auslander-Buchsbaum formula

Dình Duâ'n Hõ

1994Volume 17Issue 3 Pages 390-394
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138040030

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Dynkin graphs and triangle singularities

Tohsuke Urabe

1994Volume 17Issue 3 Pages 395-401
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040031

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Factored arrangements of hyperplanes

Michel Jambu, Luis Paris

1994Volume 17Issue 3 Pages 402-408
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040032

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Note on estimation of the number of the critical values at infinity

Van Thanh Le, Mutsuo Oka

1994Volume 17Issue 3 Pages 409-419
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040033

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A Fano 3-fold with non-rational singularities and a two-dimensional basis

Shihoko Ishii

1994Volume 17Issue 3 Pages 420-427
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040034

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On the fundamental group of the complement of arrangements

Viet Dung Nguyen

1994Volume 17Issue 3 Pages 428-431
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138040035

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Modified Nash triviality of a family of zero-sets of weighted homogeneous polynomial mappings

Satoshi Koike

1994Volume 17Issue 3 Pages 432-437
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040036

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The real part of decomposition of a polynomial and its determinacy

Guo Bin Zhang, Wei Zhi Sun

1994Volume 17Issue 3 Pages 438-441
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138040037

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Parametrized Legendre and Lagrange varieties

Goo Ishikawa

1994Volume 17Issue 3 Pages 442-451
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040038

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On minimal surfaces with the Ricci condition in space forms

Makoto Sakaki

1994Volume 17Issue 3 Pages 452-455
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040039

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Volume minimizing submanifolds in compact symmetric spaces

Hiroyuki Tasaki

1994Volume 17Issue 3 Pages 456-462
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040040

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Group actions and deformations for harmonic maps into symmetric spaces

Yoshihiro Ohnita

1994Volume 17Issue 3 Pages 463-475
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040041

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Quasisymmetric maps and string theory

Osmo Pekonen

1994Volume 17Issue 3 Pages 476-487
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040042

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We survey some recent research on the geometry of Lipman Bers' universal Teichmüller space T(1), i.e., the space of quasisymmetric homeomorphisms of the circle modulo Möbius moves, and its applications in string theory.

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On length-minimizing Steiner networks

Trong Thi Dao, Huu Quang Nguyen

1994Volume 17Issue 3 Pages 488-495
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138040043

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On the smooth structures on elliptic surfaces and related topics

Masaaki Ue

1994Volume 17Issue 3 Pages 496-504
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040044

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A note on equivalence classes of plats

Shinji Fukuhara

1994Volume 17Issue 3 Pages 505-510
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040045

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On the spatial graph

Kazuaki Kobayashi

1994Volume 17Issue 3 Pages 511-517
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040046

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Stable maps and links in 3-manifolds

Osamu Saeki

1994Volume 17Issue 3 Pages 518-529
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040047

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Geometry of hyperbolic 3-manifolds with boundary

Sadayoshi Kojima

1994Volume 17Issue 3 Pages 530-537
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040048

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The recognition problem for topological manifolds: a survey

Dušan Repovš

1994Volume 17Issue 3 Pages 538-548
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040049

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This is a survey of recent work on the problem of recognizing topological manifolds among topological spaces, including the results of J. L. Bryant, S. C. Ferry, W. Mio and S. Weinberger in higher dimensions, and M. V. Brahm, R. J. Daverman and D. Repovš in dimension three.

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Surfaces in 3-manifolds: group actions on surface bundles

Iain R. Aitchison

1994Volume 17Issue 3 Pages 549-559
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040050

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We discuss briefly some conjectures concerning surfaces in 3-manifolds, and describe two results on finite group actions on surface bundles over the circle.

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On the topological structure of the Fermat surface of degree 5

Yukio Matsumoto

1994Volume 17Issue 3 Pages 560-570
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040051

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We will give the monodromy representation of a certain fibration of the Fermat surface of degree 5 explicitly in terms of Dehn twists about concrete curves. This paper is a sequel to Ahara's work [1]

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A cohomological approach to theory of groups of prime power order

Anh Minh Pham

1994Volume 17Issue 3 Pages 571-584
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138040052

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Steenrod operations on the modular invariants

Nguyen Sum

1994Volume 17Issue 3 Pages 585-595
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040053

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Discrete measures and the Riemann hypothesis

Alberto Verjovsky

1994Volume 17Issue 3 Pages 596-608
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040054

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Algebraic representations of Teichmüller space

Kyoji Saito

1994Volume 17Issue 3 Pages 609-626
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040055

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Involutive singularities

Huu Duc Nguyen

1994Volume 17Issue 3 Pages 627-635
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138040056

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Involutive varieties can be found in many problems of differential geometry, calculus of variations, D-module theory and mathematical physics. The aim of this note is to present some problems concerning singularities of germs of involutive varieties and to discuss some recent results in this topic.

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On systems of Clairaut type

Shyuichi Izumiya, Yasuhiro Kurokawa

1994Volume 17Issue 3 Pages 636-643
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138040057

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A survey on singular solutions of first-order partial differential equations

Shyuichi Izumiya, Bing Li, JianMing Yu

1994Volume 17Issue 3 Pages 644-649
Published: 1994
Released on J-STAGE: January 21, 2009

DOIhttps://doi.org/10.2996/kmj/1138040058

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This is a summary of the papers [9, 10, 11, 12, 13, 15], in which we mainly studied singular solutions of first order differential equations.

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Topologie de l'espace des systemes lineaires hamiltoniens antisymetriques accessibles et observables

Huynh Phan Nguyen

1994Volume 17Issue 3 Pages 650-668
Published: 1994
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2996/kmj/1138040059

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