作者机构:[1]School of ManagementUniversity of Shanghai for Science and Technology Shanghai 200093, P. R. China, [2]College of ScienceUniversity of Shanghai for Science and Technology Shanghai 200093, P. R. China, [3]Department of Mathematics and StatisticsYork University, Toronto M3J 1P3, Canada
相关基金:This research is supported by the National Natural Science Foundation of China (11271260), Innovation Program of Shanghai Municipal Education Committee (13ZZ116), Shanghai Leading Academic Discipline Project (XTKX2012), Hujiang Foundation of China (B14005) and China Scholarship Council.