Absence of eigenvalues of non-selfadjoint Schrödinger operators on the boundary of their numerical range
arXiv:1108.1279
Abstract
We use a classical result of Hildebrandt to establish simple conditions for the absence of eigenvalues of non-selfadjoint discrete and continuous Schrödinger operators on the boundary of their numerical range.
Some changes in Section 4. To appear in Proc.Amer.Math.Soc
References in corpus (5)
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