Abstract
An integrable system, namely, a billiard in a domain bounded by confocal ellipses and hyperbolas is studied. Such system arises in description of the motion of a point inside this domain with a natural reflection rule at the boundary. The topological invariant of the Liouville equivalence of such systems, namely, the Fomenko-Zieschang molecule, is calculated using a new method developed by the author.
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Original Russian Text © V.V. Fokicheva. 2014, published in Vestnik Moskovskogo Universiteta. Matematika. Mekhanika. 2014, Vol. 69, No. 4, pp. 18–27.
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Fokicheva, V.V. Description of singularities for billiard systems bounded by confocal ellipses or hyperbolas. Moscow Univ. Math. Bull. 69, 148–158 (2014). https://doi.org/10.3103/S0027132214040020
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DOI: https://doi.org/10.3103/S0027132214040020