About the Authors

Zeyu Feng

Roles Conceptualization, Data curation, Formal analysis, Methodology, Resources, Validation, Visualization, Writing – original draft, Writing – review & editing

sxjl3496@vip.qq.com

Affiliation School of Mathematics, Southwestern University of Finance and Economics, Chengdu, Sichuan, China

Competing Interests

The authors declare that they have no conflict of interest.