I'm reading the Poincaré-Bendixson Theorem's proof in the book I've mentioned. I feel kind of curious about the concept shown there: the transversal, and how they used it. I would like to know if there are other uses of this concept in other proofs, specially if they are oriented to study properties in ODE's. Thank you.
2026-03-26 08:02:25.1774512145
There are more uses of the concept: Transversal, given in Coddington-Levinson book of Theory of ODE?
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