About the Authors
- Xiangrong Li
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Affiliation Guangxi Colleges and Universities Key Laboratory of Mathematics and Its Applications, College of Mathematics and Information Science, Guangxi University, Nanning, Guangxi, P.R. China
- Xupei Zhao
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Affiliation Mathematics and Physics Institute of Henan University of Urban Construction, Pingdingshan, Henan, P. R. China
- Xiabin Duan
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Affiliation Guangxi Colleges and Universities Key Laboratory of Mathematics and Its Applications, College of Mathematics and Information Science, Guangxi University, Nanning, Guangxi, P.R. China
- Xiaoliang Wang
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* E-mail: xliangwang@126.com
Affiliation Guangxi Colleges and Universities Key Laboratory of Mathematics and Its Applications, College of Mathematics and Information Science, Guangxi University, Nanning, Guangxi, P.R. China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: XZ XW XL. Performed the experiments: XZ XW. Analyzed the data: XW XD. Contributed reagents/materials/analysis tools: XL XZ XW. Wrote the paper: XW XZ.