![]() | Distinguished Professor (Emeritus) Ph.D. in 1971 from Cambridge University, England Arrived at Stony Brook in 1978 Mathematics Genealogy Email: dusa@math.columbia.edu Home Page Research Interests: Geometry; Symplectic topology Awards: 1991 Satter Prize, American Mathematical Society; 1991 UUP excellence award; 1994 Fellow, Royal Society; 1995 Member, American Academy of Arts & Sciences; 1999 National Academy of Sciences; 2012 Fellow of the American Mathematical Society; 2017 AMS Steele Prize for Exposition; 2018 Sylvester Medal |