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math.SP2009
A remark on Schatten-von Neumann properties of resolvent differences of generalized Robin Laplacians on bounded domains
Jussi Behrndt, Matthias Langer, Igor Lobanov +2
In this note we investigate the asymptotic behaviour of the -numbers of the resolvent difference of two generalized self-adjoint, maximal dissipative or maximal accumulative Rob…
math-ph2009
Finite Rank Perturbations, Scattering Matrices and Inverse Problems
Jussi Behrndt, Mark M. Malamud, Hagen Neidhardt
In this paper the scattering matrix of a scattering system consisting of two selfadjoint operators with finite dimensional resolvent difference is expressed in terms of a matrix Ne…