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Joseph H. Sampson is a mathematician who was born in 1926. He is currently 77 years old. Sampson received his B.A. from Harvard University in 1948 and his Ph.D. from Princeton University in 1952. He has held faculty positions at the University of California, Berkeley, the University of Michigan, and the University of Wisconsin-Madison. Sampson is best known for his work in algebraic topology, particularly his work on the homotopy groups of spheres. He has also made contributions to the theory of Lie groups and algebraic K-theory. Sampson is a Fellow of the American Mathematical Society and a member of the National Academy of Sciences. He has received numerous awards, including the National Medal of Science in 2003. Sampson is currently retired and living in Madison, Wisconsin. He is married and has two children.

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Age 77 years old
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Born 1926, 1926
Birthday 1926
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Date of death 2003
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We recommend you to check the complete list of Famous People born on 1926. He is a member of famous mathematician with the age 77 years old group.

Joseph H. Sampson Height, Weight & Measurements

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Joseph H. Sampson Net Worth

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Net Worth in 2023 $1 Million - $5 Million
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1980

Eells and Sampson's work is one of the most famous papers in the field of differential geometry, and was a direct inspiration for Richard Hamilton's epochal work on the Ricci flow. In addition to Eells and Sampson's heat flow, their main results on existence of harmonic maps can also be derived via the calculus of variations, using the regularity theory developed in the 1980s by Richard Schoen and Karen Uhlenbeck.

1978

Later, in 1978, Sampson developed unique continuation, maximum principles, further rigidity theorems, and deformability results for harmonic maps. He also proved that a harmonic map of degree one between compact hyperbolic Riemann surfaces must be a diffeomorphism. The same result was obtained at the same time by Schoen and Shing-Tung Yau.

1964

In 1964, Sampson and James Eells introduced harmonic maps, which are mappings between Riemannian manifolds which solve a geometrically-defined system of partial differential equations. They can also be defined via the calculus of variations. Generalizing Bochner's work on harmonic functions, Eells and Sampson derived the Bochner identity, and used it to prove the triviality of harmonic maps under certain curvature conditions.

1926

Joseph Harold Sampson Jr. (1926 – 2003) was an American mathematician known for his work in mathematical analysis, geometry and topology, especially his work about harmonic maps in collaboration with James Eells. He obtained his Ph.D. in mathematics from Princeton University in 1951 under the supervision of Salomon Bochner.