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Hisashi Choda

Osaka Kyoiku University

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Publication

Featured researches published by Hisashi Choda.

Proceedings of the Japan Academy | 1970

An extremal property of the polar decomposition in von Neumann algebras

Hisashi Choda

Tohoku Mathematical Journal | 1978

A Galois correspondence in a von Neumann algebra

Hisashi Choda

Kodai Mathematical Seminar Reports | 1974

On freely acting automorphisms of operator algebras

Hisashi Choda

Proceedings of the Japan Academy | 1971

On Ergodic and Abelian Automorphism Groups of von Neumann Algebras

Hisashi Choda

Proceedings of the Japan Academy | 1970

Some characterizations of certain von Neumann algebras

Marie Choda; Hisashi Choda

Proceedings of the Japan Academy | 1974

A comment on the Galois theory for finite factors

Hisashi Choda

Kodai Mathematical Seminar Reports | 1969

Some extremal properties in the unit ball of von Neumann algebras

Hisashi Choda; Yōichi Kijima; Yoshiomi Nakagami

Proceedings of the Japan Academy | 1967

On extensions of automorphisms of abelian von Neumann algebras

Marie Choda; Hisashi Choda

Archive | 1978

Correspondences between von neumann algebras and discrete automorphism groups

Hisashi Choda

Proceedings of the Japan Academy | 1973

On a decomposition of automorphisms of von Neumann algebras

Hisashi Choda

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Collaboration

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Marie Choda

Osaka Kyoiku University

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Yoshiomi Nakagami

Tokyo Institute of Technology

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