Funding for this research was provided by:
National Natural Science Foundation of China (11371041, 11671372, 11431014, 11401557, 11801032)
Key Laboratory of Random Complex Structures and Data Science, Academy of Mathematics and Systems Science, Chinese Academy of Sciences (No. 2008DP173182)
Postdoctoral Research Foundation of China (2018M641204)
Key Laboratory of Random Complex Structures and Data Science, Academy of Mathematics and Systems Science, Chinese Academy of Sciences (2008DP173182)
Article History
Received: 17 September 2017
Accepted: 15 January 2019
First Online: 2 February 2019