- A Trace Formula for the Eigenvalue Clusters of the Perturbed Landau Hamiltonian,
Seminar on Applied Mathematics, Pavia, Italy, July 12, 2011.
- Eigenvalue Asymptotics in a Twisted Waveguide,
Mathematical aspects of quantum transport and applications in nanophysics, Aalborg, Denmark, August 10-13, 2009.
- Low Energy Asymptotics of the SSF for Pauli Operators
with Nonconstant Magnetic Fields,
International Conference in Spectral Theory,
Saint-Petersburg, Russia, August 3-7, 2009.
- Tokyo Seminar of Analysis, July 21, 2009.
- The Fate of the Landau Levels under
Perturbations of Constant Sign,
First PRIMA Congress, Sydney, Australia, July 6-10, 2009.