Dennis Sullivan

Dennis Sullivan
Sullivan in 1968
Born	Dennis Parnell Sullivan (1941-02-12) February 12, 1941 (age 83) Port Huron, Michigan, U.S.
Education	Rice University (BA) Princeton University (MA, PhD)
Known for	Connes–Donaldson–Sullivan–Teleman index theorem Parry–Sullivan invariant Sullivan conjecture Density conjecture Localization of a topological space No-wandering-domain theorem Rational homotopy theory String topology
Awards	Oswald Veblen Prize in Geometry (1971) National Medal of Science (2004) Leroy P. Steele Prize (2006) Wolf Prize (2010) Balzan Prize (2014) Abel Prize (2022)
Scientific career
Fields	Topology
Institutions	Stony Brook University City University of New York
Thesis	Triangulating Homotopy Equivalences (1966)
Doctoral advisor	William Browder
Doctoral students	Harold Abelson Curtis T. McMullen

Dennis Parnell Sullivan (born February 12, 1941) is an American mathematician known for his work in algebraic topology, geometric topology, and dynamical systems. He holds the Albert Einstein Chair at the Graduate Center of the City University of New York and is a distinguished professor at Stony Brook University.

Sullivan was awarded the Wolf Prize in Mathematics in 2010 and the Abel Prize in 2022.