Institution: | 1. Institut de Mathématiques de Bordeaux, Université de Bordeaux, Bordeaux, France;2. São Paulo State University (UNESP), Institute of Biosciences, Department of Biostatistics, Botucatu, Brazil;1. Academy of Romanian Scientists, Splaiul Independen?ei 54, 050094 Bucharest, Romania;2. Faculty of Mathematics and Computer Science, Babe?-Bolyai University, 1 M. Kog?lniceanu Str., 400084 Cluj-Napoca, Romania;3. Department of Applied Mathematics, University of Craiova, 13 A.I. Cuza Str., 200585 Craiova, Romania;1. School of Mathematics and Statistics, Zhengzhou University, Zhengzhou 450001, China;2. College of Science, Henan University of Technology, Zhengzhou 450001, China;3. Henan Key Laboratory of Financial Engineering, Zhengzhou 450001, China |