On the spectral estimates for the Schrödinger operator on $\Z^d,\ d\ge3$

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/229258For the discrete Schrödinger operator we obtain sharp estimates for the number of negative eigenvalues.Spectral Theory47B39; 39A70On the spectral estimates for the Schrödinger operator on $\Z^d,\ d\ge3$text