papers
Publications (3)
math.FA2010
Intrinsic metrics for non-local symmetric Dirichlet forms and applications to spectral theory
Rupert L. Frank, Daniel Lenz, Daniel Wingert
math.SP2010
Compactness of Schrödinger semigroups
Daniel Lenz, Peter Stollmann, Daniel Wingert
math.FA2013
On the perturbation of positive semigroups
Christian Seifert, Daniel Wingert