On Elliptic Lower Dimensional Tori in Hamiltonian Systems.
Quasi-periodic solutions for a nonlinear wave equation.
Nekhoroshev estimates for quasi-convex hamiltonian systems.
On the Fröhlich-Spencer-Estimate in the theory of anderson localization.
A KAM-theorem for some nonlinear partial differential equations
An extension of a result by Dinaburg and Sinai on quasi-periodic potentials.
On the periodic KdV equation in weighted Sobolev spaces
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