• ETH Zürich, PhD in mathematics
  • University of St. Gallen, Master in economics


  • Visiting positions at the Mathematics Department of the University of California at Berkeley, University of Pennsylvania, Brandeis University, Brown University
  • Professor of Mathematics, Ohio State University, 1990-1996
  • Professor of Mathematics, University of Zurich, 1996 - present

Professional Activities

  • Monographs in Mathematics, EMS Publishing House, Editor
  • Zurich Lectures in Advanced Mathematics, EMS Publishing House, Editor

Research Interest

  • Global Analysis
  • Dynamical systems (of infinite dimension)