Funding for this research was provided by:
Verne M. William Professorship Fund from Penn State University
Research Grants Council, University Grants Committee (HKUST16301218)
China Scholarship Council
Penn State and Peking University Joint Center for Computational Mathematics and Applications
Penn State and Peking University Joint Center for Computational Mathematics and Applications
Article History
Received: 24 August 2019
First Online: 4 July 2020