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Stephen Smale

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Stephen Smale, born on 15 July 1930, is an American mathematician known for his research in topology, dynamical systems and mathematical economics. He was born in Flint, Michigan, entered the University of Michigan in 1948 and earned his PhD there in 1957 under Raoul Bott. He was awarded the Fields Medal in 1966 and spent more than three decades on the mathematics faculty of the University of California, Berkeley, where he later held emeritus status, with research interests in algorithms, numerical analysis and global analysis. Early in his career he worked on the higher-dimensional Poincare conjecture.

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Source Wikipedia: Stephen Smale

Proofs Credited

Source H-cobordism (Wikipedia)
Source Sphere eversion, Wikipedia
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1. Wikipedia: Stephen Smale
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Quote, Lead
He was awarded the Fields Medal in 1966 and spent more than three decades on the mathematics faculty of the University of California, Berkeley (1960-1961 and 1964-1995), where he currently is a professor emeritus, with research interests in algorithms, numerical analysis and global analysis.
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H-cobordism (Wikipedia)
Proofs Credited: H-Cobordism Theorem, Lead
Quote, Proofs Credited: H-Cobordism Theorem, Lead
The theorem was first proved by Stephen Smale for which he received the Fields Medal and is a fundamental result in the theory of high-dimensional manifolds.
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Sphere eversion, Wikipedia
Proofs Credited: Smale's Theorem (Sphere Eversion), Lead
Quote, Proofs Credited: Smale's Theorem (Sphere Eversion), Lead
An existence proof for crease-free sphere eversion was first created by Stephen Smale (1958).
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