2016
DOI: 10.4007/annals.2016.184.2.5
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An integrable deformation of an ellipse of small eccentricity is an ellipse

Abstract: The classical Birkhoff conjecture claims that the boundary of a strictly convex integrable billiard table is necessarily an ellipse (or a circle as a special case). In the paper we show that a version of this conjecture is true for tables bounded by small perturbations of ellipses of small eccentricity.

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Cited by 69 publications
(120 citation statements)
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References 25 publications
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“…This lemma is proven for periodic orbits in [2], but the same proof applies to orbits glancing only at a part of the boundary of a C 5 strictly convex domain.…”
Section: Consider Now the Billiard Map In Lazutkin Coordinatesmentioning
confidence: 93%
See 1 more Smart Citation
“…This lemma is proven for periodic orbits in [2], but the same proof applies to orbits glancing only at a part of the boundary of a C 5 strictly convex domain.…”
Section: Consider Now the Billiard Map In Lazutkin Coordinatesmentioning
confidence: 93%
“…Generically, equality holds in (2). More precisely, if no two distinct orbits have the same length and the Poincaré map of any periodic orbit is non-degenerate, then the singular support of the wave trace coincides with ±L(Ω) ∪ {0} (see e.g.…”
mentioning
confidence: 99%
“…Recently, substantial progress toward Birkhoff's conjecture was made by V. Kaloshin and his co-authors [5,127,117]: they proved the Birkhoff conjecture for small perturbations of ellipses. The general case remains open, and it is one of the foremost problems in this field.…”
Section: Around the Birkhoff Conjecturementioning
confidence: 99%
“…Now, by noting that ε/v = 1/ √ 2E where E is the non-rescaled energy, we immediately obtain the statement of the theorem from estimates (55),(56). Now we proceed to obtain a first order expression in perturbation parameters ε, δ for S Γ in terms of E and t. Let (Ē 0 ,t 0 ) ∈Λ and (Ẽ 0 ,t 0 ) ∈Λ be two points in the domain of S Γ given by (2). We will obtain a perturbative expression up to εO(ε + |δ|) for the scattering map S Γ :Λ →Λ:…”
Section: T)mentioning
confidence: 99%