Separatrix Cycles and Multiple Limit Cyc
โ
A. Zegeling
๐
Article
๐
1994
๐
Elsevier Science
๐
English
โ 994 KB
In this paper a class of quadratic systems is studied. By quadratic systems we mean autonomous quadratic vector fields in the plane. The class under consideration is class \(\mathrm{II}_{n=0}\) in the Chinese classification of quadratic systems. Bifurcation sets \(\delta=\delta^{*}(l, m)(m>2, l>0)\)