Yumei Zou

Jun 1, 2023 | mdpi.com | Yumei Zou |Yujun Cui

This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessArticlebyYumei Zou and Yujun Cui * College of Mathematics and Systems Science, Shandong University of Science and Technology, Qingdao 266590, China*Author to whom correspondence should be addressed. Fractal Fract.

Feb 8, 2023 | mdpi.com | Yujun Cui |Huiling Chen |Yumei Zou

This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessArticlebyYujun Cui, Huiling Chen and Yumei Zou * College of Mathematics and Systems Science, Shandong University of Science and Technology, Qingdao 266590, China*Author to whom correspondence should be addressed.