Publications of the Research Institute for Mathematical Sciences

Online ISSN : 1663-4926
Print ISSN : 0034-5318

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Volume 12, Issue 1

Displaying 1-14 of 14 articles from this issue

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On Invariants G(σ) and Γ(σ) for an Automorphism Group of a von Neumann Algebra

Akio Ikunishi, Yoshiomi Nakagami

1976Volume 12Issue 1 Pages 1-30
Published: 1976
Released on J-STAGE: January 22, 2009

DOIhttps://doi.org/10.2977/prims/1195190956

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An invariant Γ for an automorphism group of a factor given by Connes is generalized to a general von Neumann algebra and the relation between Γ and a characterization of an inner automorphism group of a von Neumann algebra due to Borchers are discussed.

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Existence and Stability of Almost Periodic Solutions in Almost Periodic Systems

Fumio Nakajima

1976Volume 12Issue 1 Pages 31-47
Published: 1976
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2977/prims/1195190957

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Some Results on Formal Power Series and Differentiable Functions

Masahiro Shiota

1976Volume 12Issue 1 Pages 49-53
Published: 1976
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2977/prims/1195190958

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Problèmes Mixtes pour l'Équation des Ondes

Mitsuru Ikawa

1976Volume 12Issue 1 Pages 55-122
Published: 1976
Released on J-STAGE: January 22, 2009

DOIhttps://doi.org/10.2977/prims/1195190959

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On the Dual of Besov Spaces

Tosinobu Muramatu

1976Volume 12Issue 1 Pages 123-140
Published: 1976
Released on J-STAGE: January 22, 2009

DOIhttps://doi.org/10.2977/prims/1195190960

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Hopf Algebra Structure of mod 2 Cohomology of Simple Lie Groups

Kiminao Ishitoya, Akira Kono, Hirosi Toda

1976Volume 12Issue 1 Pages 141-167
Published: 1976
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2977/prims/1195190961

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On the Asymptotic Behavior of Solutions of Semi-linear Wave Equations

Akitaka Matsumura

1976Volume 12Issue 1 Pages 169-189
Published: 1976
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2977/prims/1195190962

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Pseudoconvex Domains on a Kähler Manifold with Positive Holomorphic Bisectional Curvature

Osamu Suzuki

1976Volume 12Issue 1 Pages 191-214
Published: 1976
Released on J-STAGE: January 22, 2009

DOIhttps://doi.org/10.2977/prims/1195190963

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Extension of Solutions of Systems of Linear Differential Equations

Takahiro Kawai

1976Volume 12Issue 1 Pages 215-227
Published: 1976
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2977/prims/1195190964

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Global Solutions to the Initial Value Problem for the Nonlinear Boltzmann Equation

Takaaki Nishida, Kazuo Imai

1976Volume 12Issue 1 Pages 229-239
Published: 1976
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2977/prims/1195190965

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The nonlinear Boltzmann equation in the rarefied gas dynamics is investigated for the gas molecules with the cut-off hard potential in the sense of Grad. The solution to the initial value problem is proved to exist uniquely in the large in time and to have the decay order of (1+t)^−3/4 as t→+∞ for the small initial data in the space H_{3, 3}∩L¹(x; L²(v)). The decay order is improved to (1+t)^−3/4 by the additional assumptions on the initial data.

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Remarks on the Coefficient Ring of Quaternionic Oriented Cohomology Theories

Kazuhisa Shimakawa

1976Volume 12Issue 1 Pages 241-254
Published: 1976
Released on J-STAGE: January 22, 2009

DOIhttps://doi.org/10.2977/prims/1195190966

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Cohomological Dimension of Homogeneous Spaces of Complex Lie Groups I

Shigeru Takeuchi

1976Volume 12Issue 1 Pages 255-257
Published: 1976
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2977/prims/1195190967

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Multiplications in the Complex Bordism Theory with Singularities

Nobuo Shimada, Nobuaki Yagita

1976Volume 12Issue 1 Pages 259-293
Published: 1976
Released on J-STAGE: April 24, 2009

DOIhttps://doi.org/10.2977/prims/1195190968

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A Correction to: “Formula Manipulations Solving Linear Ordinary Differential Equations (II)”

1976Volume 12Issue 1 Pages 295
Published: 1976
Released on J-STAGE: January 22, 2009

DOIhttps://doi.org/10.2977/prims/1195190969

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