Speaker:
Christoph Marx
Institution:
Caltech
Time:
Friday, December 13, 2013 - 2:00pm
Location:
RH 340P
We prove that the resolvent set of any (possibly singular)
almost periodic Jacobi operator is characterized as the set of all
energies whose associated Jacobi cocycles induce a dominated splitting.
This extends a well-known result by Johnson for Schrödinger operators.