Shoichiro Sakai

Shoichiro Sakai (境 正一郎, Sakai Shōichirō, born 1928 in Kanuma, Tochigi) is a Japanese mathematician.

Life

Sakai studied mathematics at the Tohoku University (Sendai). He there received the B. A. degree in 1953 and a doctorate at the same University in 1961. From 1960 to 1964, he was a faculty member of Waseda University. He then went to the University of Pennsylvania, where he became a professor in 1966 and remained until 1979. He then returned to Japan and went to the Nihon University. In 1992, he received the Japanese Mathematical Society Autumn Prize.[1] He is a fellow of the American Mathematical Society.[2]

Sakai's main field is functional analysis and mathematical physics. His textbook published in the Springer series in C *-algebras and W *-algebras, in which W *-algebras as C *-algebras are introduced with a predual, is widely used. That fact the W *-algebras may be defined in this way is known as a theorem of Sakai[3] (cf. a theorem of Kadison-Sakai.)[4]

Works

References

  1. Nihon Sūgakukai: Preisträger der Frühjahrs- und Herbstpreise
  2. List of Fellows of the American Mathematical Society, retrieved 2013-11-23.
  3. Nathanial Patrick Brown, Narutaka Ozawa: C*-algebras and finite-dimensional approximations, American Mathematical Society (2008), ISBN 0-821-84381-8
  4. George A. Elliot: On derivations of AW*-algebras, Tóhoku Mathematical Journal, Band 30 (1978), Seiten 263–276.
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