Sabine Burgdorf, Monique Laurent, Teresa Piovesan. On the Closure of the Completely Positive Semidefinite Cone and Linear Approximations to Quantum Colorings. In Salman Beigi, Robert König, editors, 10th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2015, May 20-22, 2015, Brussels, Belgium. Volume 44 of LIPIcs, pages 127-146, Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2015. [doi]
Abstract is missing.