About the Authors

Mengze Zhang

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

Affiliation School of Mathematics and Statistics, Shaanxi Normal University, Xi’an, People’s Republic of China

Xia Wang

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

xiawang@snnu.edu.cn

Affiliation School of Mathematics and Statistics, Shaanxi Normal University, Xi’an, People’s Republic of China

Sanyi Tang

Roles Conceptualization, Funding acquisition, Supervision, Validation, Writing – original draft, Writing – review & editing

Affiliation School of Mathematics and Statistics, Shanxi University, Taiyuan, People’s Republic of China

Competing Interests

The authors declare no competing interests.