Wang, Cheng
Sun, Pengtao
Funding for this research was provided by:
National Science Foundation (DMS-1418806)
University of Nevada, Las Vegas (Faculty Opportunity Award 2013-2015)
Article History
Received: 12 February 2016
Revised: 17 May 2016
Accepted: 3 August 2016
First Online: 13 August 2016