In April 1998, Alain Connes of the Institut des Hautes Études Scientifiques delivered the Emil Groswald Lectures.

April 27, 1998: Trace formulae in noncommutative geometry and the Riemann zeta function

April 28, 1998: The Hopf algebra of n-dimensional non-commutative geometry and Gelfand-Fuchs cohomology

April 29, 1998: Noncommutative geometry and physics