# Programme

## FRIDAY

 09:00-09:45 Sergio Albeverio, Universität Bonn: Feynman path integrals, Schrödinger operators, trace formulae, thin tubes and graphs 10:00-10:45 Dieter Mayer, Technische Universität Clausthal: Symmetries of the transfer operator for Hecke congruence subgroups and a character deformation of the Selberg zeta function for $\Gamma_0(4)$ 10:45-11:15 Break 11:15-12:00 Nils Elander, Stockholm University: Resonances their relations to spectral densities and scattering cross sections 12:00-14:00 Lunch 14:00-14:45 Ira Herbst, University of Virginia: Smoothness and analyticity of perturbation theory in non-relativistic QED 15:00-15:45 Masao Hirokawa, Okayama University: A Chirality in the Ground State Energy of the Fully Coupled Model in Circuit QED 15:45-16.15 Break 16:15-17:00 Gheorghe Nenciu, Romanian Academy: Decay laws for resonances produced by perturbation of unstable eigenvalues 18:00-  ? DINNER IN HONOUR OF THE 75th BIRTHDAY OF ERIK BALSLEV

## SATURDAY

 10:00-11:00 Ricardo Weder, National Autonomous University of Mexico: Topological Effects in Quantum Mechanics and High-Velocity Estimates 11:00-11:30 Break 11:30-12.15 Thierry Paul, École Polytechnique, Paris: Recent results in semiclassical analysis inside and outside Quantum Mechanics 12:15-13:15 Lunch 13.15-14:00 Werner Müller, Universität Bonn: Locally Symmetric Spaces and Geometric Scattering Theory 14:15-15:00 Morten Risager, University of Copenhagen: Dissolving Cusp Forms