2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/56922We prove Cwikel-Lieb-Rosenbljum and Lieb-Thirring type bounds on the discrete spectrum of a two-body pair operator and calculate spectral asymptotics for the eigenvalue moments and the local spectral density in the pseudo-relativistic limit.Mathematical PhysicsHigh Energy Physics - TheorySpectral TheoryQuantum Physics35P20On the Discrete Spectrum of a Pseudo-Relativistic Two-Body Pair Operatortext