Ib Madsen
From Wikipedia, the free encyclopedia
Ib Henning Madsen (born 12 April 1942, in Copenhagen)[1] is a Danish mathematician, a professor of mathematics at the University of Copenhagen. He is known for (with Michael Weiss) proving the Mumford conjecture on the cohomology of the stable mapping class group, and for developing topological cyclic homology theory.[2]
Madsen earned a candidate degree from the University of Copenhagen in 1965, and a Ph.D. from the University of Chicago in 1970 under the supervision of J. Peter May.[1][2][3] In 1971 he took a faculty position at Aarhus University, and he remained there until 2008, when he moved to Copenhagen.[1][2]
His doctoral students have included Søren Galatius and Lars Hesselholt.[3]
