SHORT VERSION
Field of Research
Differential Geometry, Lie groups, dynamical systems and ergodic theory.
Nonpositive curvature, symmetric spaces; semi-simple groups, their discrete subgroups and actions of these on manifolds (Zimmer Program); Tits buildings; geodesic and horocycle flows, Anosov actions of R and R^k.
Professional experience
1995 – present: Full Professor, Department of Mathematics, University of Michigan
1990 – 1995: Associate Professor, Department of Mathematics, University of Michigan
1989 – 1991: Associate Professor, Department of Mathematics, SUNY Stony Brook
1984 – 1989: Assistant Professor, Department of Mathematics, SUNY Stony Brook
Honors and awards
AMS Fellow, 2013
AMS Centennial Research Fellowship, 1990 – 1992
Sloan Foundation Fellow, 1988
Education
Ph.D. in Mathematics, 1983, University of Warwick, Coventry, Great Britain
Long Version