About the Authors
- Xin Yang
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* E-mail: wing.lps@163.com (XY); xzeng@hebut.edu.cn (ZXZ)
Affiliations School of Economics and Management, Hebei University of Technology, Tianjin, China, ZhongHuan Information College Tianjin University of Technology, Tianjin, China
- Zhenxiang Zeng
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* E-mail: wing.lps@163.com (XY); xzeng@hebut.edu.cn (ZXZ)
Affiliation School of Economics and Management, Hebei University of Technology, Tianjin, China
- Ruidong Wang
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Affiliation Department of Mathematics, Tianjin University of Technology, Tianjin, China
- Xueshan Sun
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Affiliation ZhongHuan Information College Tianjin University of Technology, Tianjin, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceptualization: XY. Formal analysis: RDW. Funding acquisition: ZXZ. Investigation: XY. Methodology: XY. Software: RDW. Supervision: ZXZ XY. Validation: XSS. Writing – original draft: XY. Writing – review & editing: XY ZXZ RDW XSS.