Lower bounds for the counting function of integral operators
Spectral Theory
2013-08-20 v1
Abstract
The paper presents a lower bound for the number of negative eigenvalues of an integral operator with continuous kernel K lying below a nonpositive number t. The estimate is given in terms of some integrals of K.
Cite
@article{arxiv.1308.4078,
title = {Lower bounds for the counting function of integral operators},
author = {Yuri Safarov},
journal= {arXiv preprint arXiv:1308.4078},
year = {2013}
}