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Results tagged with perturbation
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user 11028
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Are periodic billiard trajectories stable on a manifold with strictly convex boundary?
The result in the paper Spectrum of the Poincare map for periodic reflecting rays in generic domains of Petkov--Stojanov may be related.
Setting: Let $X\subset \mathbb{R}^n$ be a closed $(n-1)$-dime …
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