\(QS5_{1}^{(1?)}\)
Description
Phase Portrait
Topological Invariants
| TCSP | Fin Sep | Inf Sep |
|---|---|---|
| \(5\) | \(4210\) | \(311011\) |
Example
The quadratic differential system
\[\begin{cases} \dot{x} = ? \\ \dot{y} = ? \end{cases}\]
This phase portrait is conjectured not to exist. If you have an example of this please report to contact.
The phase portrait appears in the following papers
- With name \(U^1_{D30a}\) 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.
Comments
conjectured empty