The automorphism group of separable states in quantum information theory Shmuel Friedland, a) Chi-Kwong Li, b) Yiu-Tung Poon, c) and Nung-Sing Sze d) Department of Mathematics, Statistics and Computer Science, University of Illinois at Chicago, Chicago, Illinois 60607-7045, USA Department of Mathematics, College of William & Mary, Williamsburg, VA 23187-8795, USA Department of Mathematics, Iowa...