About the Authors

Qihang Zhou

Roles Project administration

Affiliation College of Mathematics and Computer Science, Zhejiang Normal University, Jinhua, China

Changjun Zhou

Roles Validation

zhou-chang231@163.com

Affiliation College of Mathematics and Computer Science, Zhejiang Normal University, Jinhua, China

Xiao Wang

Roles Validation

Affiliation Xingzhi College Zhejiang Normal University, Jinhua, China

Competing Interests

The authors have declared that no competing interests exist.