The Existence of Periodic Orbits and Invariant Tori for Some 3-Dimensional Quadratic Systems
oleh: Yanan Jiang, Maoan Han, Dongmei Xiao
| Format: | Article |
|---|---|
| Diterbitkan: | Wiley 2014-01-01 |
Deskripsi
We use the normal form theory, averaging method, and integral manifold theorem to study the existence of limit cycles in Lotka-Volterra systems and the existence of invariant tori in quadratic systems in ℝ3.