Institution: | 1. School of Mathematics and Statistics, Wuhan University, Wuhan 430072, People’s Republic of China;2. Department of Mathematics, Florida State University, 1017 Academic Way, Tallahassee, FL-32306, USA;1. Department of Mathematical Sciences, University of Copenhagen, Universitetsparken 5, DK-2100, Copenhagen, Denmark;2. Université de Cergy-Pontoise, AGM UMR-CNRS 8088, 2 avenue Adolphe Chauvin, F-95302, Cergy-Pontoise Cedex, France;1. Department of Statistics and Actuarial Science, University of Waterloo, 200 University Avenue West, Waterloo, Canada;2. Department of Mathematics and Actuarial Science, The American University in Cairo, Cairo, Egypt |