Eigenvalue inequalities for Schrödinger operators on unbounded Lipschitz domains

  • Jussi Behrndt

    TU Graz, Austria
  • Jonathan Rohleder

    Stockholm University, Sweden
  • Simon Stadler

    TU Graz, Austria
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Abstract

Given a Schrödinger differential expression on an exterior Lipschitz domain we prove strict inequalities between the eigenvalues of the corresponding selfadjoint operators subject toDirichlet andNeumann orDirichlet andmixed boundary conditions, respectively. Moreover, we prove a strict inequality between the eigenvalues of two different elliptic differential operators on the same domain with Dirichlet boundary conditions.

Cite this article

Jussi Behrndt, Jonathan Rohleder, Simon Stadler, Eigenvalue inequalities for Schrödinger operators on unbounded Lipschitz domains. J. Spectr. Theory 8 (2018), no. 2, pp. 493–508

DOI 10.4171/JST/203