20世紀を代表する数学者の一人であるGelfand氏が死去されたそうです。96歳でした。Gelfandは、関数解析・超関数、等の輝かしい成果を残されています。ご冥福をお祈りいたします。

Israil Moiseevich Gelfand, one of the most influential mathematicians of the 20th century, died October 5 at the age of 96. He was the author of more than 800 articles and 30 books in many areas of mathematics–including commutative normed rings, representation theory, generalized functions, and partial differential equations–and in theoretical biology. Gelfand was born in the Ukraine and received his Ph.D. in 1935 from Moscow State University under the direction of Andrei Kolmogorov. Five years later he received his D. [From News 2009]