\(QS5_{2}^{(0I)}\)
Description
Phase Portrait
Topological Invariants
| TCSP | Fin Sep | Inf Sep |
|---|---|---|
| \(5\) | \(4321\) | \(211011\) |
Example
The quadratic differential system
\[\begin{cases} \dot{x} = ? \\ \dot{y} = ? \end{cases}\]
This phase portrait has already been proved not to exist. Anyway, if you have an example of this please report to contact.
The phase portrait appears in the following papers
- With name \(I_{12,2}\) in {J. C. Artés, J. Llibre and A. C. Rezende}, Structurally unstable quadratic vector fields of codimension one, Birkhäuser/Springer, Cham, 2018, vi+267 pp.
- With name \(Fig 5.56 5\) in {J. C. Artés, R. E. Kooij and J. Llibre}, Structurally stable quadratic vector fields, Mem. Amer. Math. Soc. { bf 134} (1998), no.~639, viii+108 pp.; MR1432139
Comments
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