Notes of talks
Oberwolfach meeting on Singular spaces, June/July 2010
Meeting for Werner Müller, Jerusalem, March 2010
Andras Vasy at Ecole Polytechnique, February 27, 2001
``Spectral and scattering theory for symbolic potentials of order zero''
``Smooth algebras, K-theory and invariants''
University of Lund, November 2, 1998
``Contact manifolds and the index of Heisenberg pseudodifferential operators''
Colloquium at Penn State, October 24, 1996
[October 23, 1996]