Funding for this research was provided by:
HKBU (startup Grand, G(R)- RC/17-18/02-MATH, a)
HKBU (G2/17-18/033)
National Natural Science Foundation of China (61702083, 11801200)
Key Projects of Applied Basic Research in Sichuan Province (2020YJ0216)
Article History
Received: 7 May 2019
Revised: 11 January 2021
Accepted: 28 February 2021
First Online: 13 May 2021