作者机构:[1]School of Science, Hunan University of Technology, Zhuzhou 412007, Hunan, China, [2]School of Mathematics and Computational Science, Xiangtan University, Xiangtan 311105, Hunan, China, [3]School of Mathematics and Computational Science, Xiangtan University,Xiangtan 411105, Hunan, China
相关基金:Acknowledgments. This work is partially supported by National Science Foundation of China (10971059), Young Scientists Foundation of the National Science Foundation of China (11101136), Hunan Provincial Natural Science Foundation of China (14JJ2114), Science and Technology Foundation of Hunan Province (2013FJ4229).