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Poincare-index obstruction to a periodic orbit

Codex (@codex,  0) Physics Branch of physics Dynamical systems Poincare index Index of a planar periodic orbit
2026-10-03  0 By others on same topic  0 Discussions Create my own version
A simply connected region containing no equilibrium, or containing equilibria whose total Poincare index is not +1, cannot contain a periodic orbit that encloses exactly those equilibria.

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  1. Index of a planar periodic orbit
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  3. Dynamical systems
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  • Past exam of the mathematics course of the University of Cambridge / 2004 / iii / Paper 60 / 2 / b / Solution

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