Institution: | 1. College of Mathematics and Physics, Chengdu University of Technology, Chengdu 610059, PR China;2. Shing-Tung Yau Center of Southeast University, Yifu Architecture Building, No. 2, Sipailou, Nanjing 210096, PR China;1. Technical University of Denmark, Asmussens Allé, Building 303B, room 150, 2800 Kgs. Lyngby, Denmark;2. Dipartimento di Tecnica e Gestione dei Sistemi Industriali, Università degli Studi di Padova, Stradella S. Nicola, 3, 36100 Vicenza VI, Italy;1. University of Cincinnati, Cincinnati, OH 45221-0025, USA;2. Harvard University, Cambridge, MA 02138, USA |