Xiong, Tao
Russo, Giovanni
Qiu, Jing-Mei
Funding for this research was provided by:
National Natural Science Foundation of China (11601455)
NSAF (U1630247)
NSF grant of Fujian (2016J05022)
Fundamental Research Funds for the Central Universities (20720160009)
Marie Sklodowska-Curie Individual Fellowships (H2020-MSCA-IF-2014)
Division of Mathematical Sciences (NSF-DMS-1522777)
Air Force Office of Scientific Research (FA9550-12-0318)
Article History
Received: 4 October 2017
Revised: 19 March 2018
Accepted: 27 March 2018
First Online: 12 April 2018