Counting function of characteristic values and magnetic resonances
Counting Nodal Lines Which Touch the Boundary of an Analytic Domain
Counting Schrödinger boundstates: semiclassics and beyond
Criteria for existence of Riesz bases consisting of root functions of Hill and 1D Dirac operators
Critical Lieb-Thirring bounds for one-dimensional Schrodinger operators and Jacobi matrices with regular ground states
Critical Lieb-Thirring Bounds in Gaps and the Generalized Nevai Conjecture for Finite Gap Jacobi Matrices