Dennis Sullivan

Dennis Sullivan
Dennis Sullivan

Born February 12, 1941 (1941-02-12) (age 70)
Port Huron, Michigan
Nationality  United States
Fields Mathematics
Institutions City University of New York
Stony Brook University
Alma mater Princeton University
Rice University
Doctoral advisor William Browder
Doctoral students Harold Abelson
Curtis T. McMullen
Elmar Winkelnkemper
Known for Work in topology, dynamical systems
Notable awards Wolf Prize in Mathematics (2010)
Leroy P. Steele Prize (2006)
National Medal of Science (2004)

Dennis Parnell Sullivan (born February 12, 1941[1]) is an American mathematician. He is known for work in topology, both algebraic and geometric, and on dynamical systems. He holds the Albert Einstein Chair at the City University of New York Graduate Center, and is a professor at Stony Brook University.


Work in topology

He received his B.A. in 1963 from Rice University and his doctorate in 1966 from Princeton University. His Ph.D. thesis, entitled Triangulating homotopy equivalences, was written under the supervision of William Browder, and was a major contribution to surgery theory. He was a permanent member of the Institut des Hautes Études Scientifiques from 1974 to 1997.

Sullivan is one of the founders of the surgery method of classifying high-dimensional manifolds, along with Browder, Sergei Novikov and C. T. C. Wall. In homotopy theory, Sullivan put forward the radical concept that spaces could directly be localised, a procedure hitherto applied to the algebraic constructs made from them. He founded (along with Daniel Quillen) rational homotopy theory.

The Sullivan conjecture, proved in its original form by Haynes Miller, states that the classifying space BG of a finite group G is sufficiently different from any finite CW complex X, that it maps to such an X only 'with difficulty'; in a more formal statement, the space of all mappings BG to X, as pointed spaces and given the compact-open topology, is weakly contractible. This area has generated considerable further research. (Both these matters are discussed in his 1970 MIT notes.)

Work in dynamics

In 1985, he proved the No wandering domain theorem. The Parry-Sullivan invariant is named after him and the English mathematician Bill Parry.

In 1987, he proved Thurston's conjecture about the approximation of the Riemann map by circle packings together with Burton Rodin.

Awards and honors

Awards include the 1971 Oswald Veblen Prize in Geometry, the 1981 Prix Élie Cartan of the French Academy of Sciences, the King Faisal International Prize for Science in 1994, the 2004 National Medal of Science, the 2006 AMS Steele Prize for Lifetime Achievement and the Wolf Prize in Mathematics in 2010 for "his contributions to algebraic topology and conformal dynamics".[2]

Selected publications


  1. ^ Phillips, Anthony (2005), "Dennis Sullivan", in Takhtadzhi͡a︡n, Leon Armenovich, Graphs and patterns in mathematics and theoretical physics, Providence: AMS Bookstore, p. xiii, ISBN 0821836668, .
  2. ^ Winners of Prestigious Wolf Prize Announced

External links

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  • Dennis Sullivan — im MSRI, 2007 Dennis Parnell Sullivan (* 12. Februar 1941 in Port Huron in Michigan) ist ein US amerikanischer Mathematiker, der sich mit Topologie und dynamischen Systemen beschäftigt. Sullivan wurde 1966 an der Princeton University bei William… …   Deutsch Wikipedia

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