Symmetry in RLT-type relaxations for the quadratic assignment and standard quadratic optimization problems. - Etienne de Klerk; Marianna E.-Nagy; Renata Sotirov; Uwe Truetsch (Eur. J. Oper. Res., 2014)

A New Semidefinite Programming Relaxation for the Quadratic Assignment Problem and Its Computational Perspectives. - Etienne de Klerk; Renata Sotirov; Uwe Truetsch (INFORMS J. Comput., 2015)