| Institution: | 1. Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Mathematics and Statistics, Southwest University, Chongqing 400715, China;2. Department of Mathematics and Statistics, Memorial University of Newfoundland, St. John’s, NL A1C 5S7, Canada;1. Department of Math. and Stats., University of Calgary, 2500 University Drive N.W., Calgary, AB T2N 1N4, Canada;2. Department of Computer Science, City University of New York-College of Staten Island, The Graduate Center of City University of New York, 365 Fifth Avenue, New York 10314, United States;1. Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Mathematics and Statistics, Southwest University, Chongqing 400715, China;2. School of Mathematics and Statistics, Qiannan Normal University for Nationalities, Duyun 558000, China |
