Affiliation: | a Department of Mathematics, College of William & Mary, Williamsburg, VA 23187-8795, USA b Research Center for Quantum Computing, Interdisciplinary Graduate School of Science and Engineering, and Department of Physics, Kinki University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan c Department of Mathematics, Iowa State University, Ames, IA 50011, USA d Department of Applied Mathematics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong e Research Center for Quantum Computing, Interdisciplinary Graduate School of Science and Engineering, Kinki University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan |