Research
Research interests:
Spectral theory of quasiperiodic Schrodinger operators
Global theory of quasiperiodic cocycles
Fractal properties of singular continuous measures
Transport theory in quantum physics
Statistical mechanics; Kac equation; and approach to thermodynamic equilibrium
Publications:
Continuity of the Lyapunov exponent for analytic multi-frequency quasiperiodic cocycles: available here
Positivity of the Lyapunov exponent for analytic quasiperiodic operators with arbitrary finite-valued background: available here
(With S. Jitomirskaya) Logarithmic quantum dynamical bounds for arithmetically defined ergodic Schrödinger operators with smooth potentials: available here
(with M. Landrigan) Fine dimensional properties of spectral measures: available here
Fractal dimensions of spectral measures of rank one perturbations of a positive self-adjoint operator: available here