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