A unified study on the cyclicity of period annulus of the reversible quadratic Hamiltonian systems
In this interesting paper, the authors investigate the cyclicity of the period annulus of reversible quadratic Hamiltonian systems under quadratic perturbations. This interesting problem has been extensively studied by serval authors for different cases based on different methods. The authors of the paper under review study this problem in a unified way and present an easier proof of the main results.
reversible quadratic Hamiltonian systems
scientific article; zbMATH DE number 2145890