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math.CA2023
New sufficient condition for the two-dimensional real Jacobian conjecture through the Newton diagram
Yuzhou Tian, Xiuli Cen
The present paper is devoted to investigating the two-dimensional real Jacobian conjecture. This conjecture claims that if …
math.CA2016
On the number of limit cycles for a class of discontinuous quadratic differential systems
Xiuli Cen, Shimin Li, Yulin Zhao
The present paper is devoted to the study of the maximum number of limit cycles bifurcated from the periodic orbits of the quadratic isochronous center $\dot{x}=-y+\frac{16}{3}x^{2…