作者机构:[1]School of Mathematical Sciences, Dalian University of Technology, Dalian 116024, China, [2]School of Software, Dalian University of Technology, Dalian 116620, China, [3]Max Planck Institute for Mathematics in the Sciences, Leipzig 70569, Germany
相关基金:supported by the National Natural Science Foundation of China(Nos.61432003,61572105,11171052,and 61328206)