%0 Journal Article
%T Lower bounds for the counting function of integral operators
%A Yuri Safarov
%J Mathematics
%D 2013
%I arXiv
%X 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.
%U http://arxiv.org/abs/1308.4078v1