About the Authors

Mengqi He

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, 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, China

Sanyi Tang

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

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

Yanni Xiao

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

yxiao@mail.xjtu.edu.cn

Affiliation School of Mathematics and Statistics, Xi’an Jiaotong University, Xi’an, China

Competing Interests

The authors have declared that no competing interests exist.