Richard S. Hamilton

Richard Streit Hamilton (January 10, 1943 – September 29, 2024) was an American mathematician. He was a professor at Columbia University. He was known for his works about geometric analysis and partial differential equations. His works helped create the theory of Ricci flow.

Richard S. Hamilton
Hamilton in 1982
Born	Richard Streit Hamilton (1943-01-10)January 10, 1943 Cincinnati, Ohio, U.S.
Died	September 29, 2024(2024-09-29) (aged 81) New York City, New York, U.S.
Alma mater	Yale University (BA) Princeton University (PhD)
Known for	Convergence theorems for Ricci flow Dirichlet problem for harmonic maps and harmonic map heat flow Earle–Hamilton fixed-point theorem Gage–Hamilton–Grayson theorem Li–Yau inequalities for Ricci flow and other geometric flows Maximum principle for parabolic systems Nash–Moser theorem Ricci flow with surgery in four dimensions for positive isotropic curvature
Awards	Veblen Prize (1996) Clay Research Award (2003) Leroy P. Steele Prize (2009) Shaw Prize (2011)
Scientific career
Fields	Mathematics
Institutions	Cornell University University of California, San Diego Columbia University University of Hawaiʻi at Mānoa
Thesis	Variation of structure on Riemann surfaces (1969)
Doctoral advisor	Robert Gunning
Doctoral students	Martin Lo

Hamilton died on September 29, 2024 at a hospital in New York City at the age of 81.^[1][2]