THOUGHT FOR THE DAY

Time

"A man who dares to waste one hour of life has not discovered the value of life."

- Charles Darwin

Topic of the Day

Ivan Petrovsky

Ivan Georgievich Petrovsky, also Petrovskii (Russian: Иван Георгиевич Петровский) (January 18, 1901, Sevsk – January 15, 1973, Moscow) was a Russian mathematician in the field of partial differential equations. He greatly contributed to solution of Hilbert's 19-th and 16th problems. He also worked on the boundary value problem, probability, and topology of algebraic curves and surfaces.

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