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A sharp bound on eigenvalues of Schroedinger operators on the halfline with complex-valued potentials

arXiv:0903.2053

Abstract

We derive a sharp bound on the location of non-positive eigenvalues of Schroedinger operators on the halfline with complex-valued potentials.

AMSLaTeX, 5 pages, 1 figure; Final version, to appear in the proceedings of OTAMP2008