Wu, Yusen; Li, Peiluan; Chen, Haibo - In: Mathematics and Computers in Simulation (MATCOM) 109 (2015) C, pp. 153-173
The center problem at infinity is far to be solved in general. In this paper we develop a procedure to resolve it for a particular type of polynomial differential systems. The problem is solved by writing its concomitant differential equation in the complex coordinates introduced by Yirong Liu...