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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.SP2009★ 2 cited
Lower bound on the spectrum of the Schrödinger operator in the plane with delta-potential supported by a curve
Igor Lobanov, Vladimir Lotoreichik, Igor Popov
We consider the Schrödinger operator in the plane with delta-potential supported by a curve. For the cases of an infinite curve and a finite loop we give estimates on the lower bou…