1112.4986 (Alexander Grigor'yan et al.)

Negative eigenvalues of two-dimensional Schrödinger operators    [PDF]

Alexander Grigor'yan, Nikolai Nadirashvili

We prove a certain upper bound for the number of negative eigenvalues of the Schr\"{o}dinger operator on the plane.

View original: http://arxiv.org/abs/1112.4986