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• An Example of Piecewise Linear Systems with Infinitely Many Limit Cycles Separated by a Piecewise Linear Curve and Its Perturbations

  Qing Zhang, Zhengdong Du

  2024-08-29

  10032 961 Pages:759-774 Open-access

• Existence Results for the Higher-Order Weighted Caputo-Fabrizio Fractional Derivative

  Chunshuo Li, Qing Zhang, Qiaoluan Li

  2024-04-10

  16134 1577 Pages:763-781 Open-access