摘要
This paper is concerned with the quadratic perturbations of a one-parameter family of quadratic reversible system, having a center of genus one. The exact upper bound of the number of limit cycles emerging from the period annulus surrounding the center of the unperturbed system is given.
This paper is concerned with the quadratic perturbations of a one-parameter family of quadratic reversible system, having a center of genus one. The exact upper bound of the number of limit cycles emerging from the period annulus surrounding the center of the unperturbed system is given.
基金
supported by National Natural Science Foundation of China (Grant Nos.11126318, 11201086 and 11171355)
the Ph.D. Programs Foundation of Ministry of Education of China (GrantNo. 20100171110040)
