Cai, Xiaofeng
Guo, Wei
Qiu, Jing-Mei
Funding for this research was provided by:
Directorate for Mathematical and Physical Sciences (NSF-DMS-1620047)
Division of Mathematical Sciences (NSF-DMS-1522777)
Air Force Office of Scientific Research (FA9550-12-0318)
Article History
Received: 20 December 2016
Revised: 31 August 2017
Accepted: 4 September 2017
First Online: 18 September 2017