Wang, Jheng-Yu http://orcid.org/0000-0001-6031-0711
Kuo, Ting-Chun http://orcid.org/0000-0003-2462-5729
Hsieh, Chih-hao http://orcid.org/0000-0001-5935-7272
Funding for this research was provided by:
Ministry of Science and Technology, Taiwan
NCTS | Mathematics Division, National Center for Theoretical Sciences
Foundation for the Advancement of Outstanding Scholarship
Article History
Received: 17 May 2019
Accepted: 5 May 2020
First Online: 26 May 2020
Competing interests
: The authors declare no competing interests.