Lovász-Schrijver SDP-operator and a superclass of near-perfect graphs

Silvia M. Bianchi, Mariana S. Escalante, Graciela L. Nasini, Levent Tunçel. Lovász-Schrijver SDP-operator and a superclass of near-perfect graphs. Electronic Notes in Discrete Mathematics, 44:339-344, 2013. [doi]

Abstract

Abstract is missing.