Kōsaku Yosida

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Kôsaku Yosida (Japanese: 吉田 耕作 Yoshida Kōsaku; 7 February 1909–20 June 1990) is a Japanese mathematician who has worked in the field of functional analysis. He is known for the Hille-Yoshida theorem concerning C₀-semigroups.

[edit] See also

• Einar Carl Hille
• Functional analysis
• Schrödinger semigroup

[edit] References

• Kôsaku Yosida: Functional analysis. Grundlehren der mathematischen Wissenschaften 123, Springer-Verlag, 1971 (3rd ed.), 1974 (4th ed.), 1978 (5th ed.), 1980 (6th ed.)

[edit] External links

• Photo