37 citations · 202 across the 38 of their papers we have counts for
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math.SP2009★ 12 cited
Generalized eigenfunctions and spectral theory for strongly local Dirichlet forms
Daniel Lenz, Peter Stollmann, Ivan Veselic
We present an introduction to the framework of strongly local Dirichlet forms and discuss connections between the existence of certain generalized eigenfunctions and spectral prope…
math.SP2009
Compactness of Schrödinger semigroups
Daniel Lenz, Peter Stollmann, Daniel Wingert
This paper is concerned with emptyness of the essential spectrum, or equivalently compactness of the semigroup, for perturbations of selfadjoint operators that are bounded below (o…