2 papers
math-ph2013
Absence of absolutely continuous spectrum for random scattering zippers
Hakim Boumaza, Laurent Marin
A scattering zipper is a system obtained by concatenation of scattering events with equal even number of incoming and out going channels. The associated scattering zipper operator…
math.DS2009
Hyperbolicity of the Trace Map for a Strongly Coupled Quasiperiodic Schrodinger Operator
Emiliano De Simone, Laurent Marin
We consider the trace map associated with the silver ratio Schrodinger operator as a diffeomorphism on the invariant surface associated with a given coupling constant and prove tha…