Bifurcation of a class of extended quasi-homogeneous polynomial differential systems

Abstract

Q 1 (λ α1 x 1 , λ α2 x 2) = λ α1−1+δ Q 1 (x 1 , x 2), Q 2 (λ α1 x 1 , λ α2 x 2) = λ α2−1+δ Q 2 (x 1 , x 2),