Franz Rendl. Semidefinite Relaxations for Integer Programming. In Michael Jünger, Thomas M. Liebling, Denis Naddef, George L. Nemhauser, William R. Pulleyblank, Gerhard Reinelt, Giovanni Rinaldi, Laurence A. Wolsey, editors, 50 Years of Integer Programming 1958-2008 - From the Early Years to the State-of-the-Art. pages 687-726, Springer, 2010. [doi]