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math.DS2019
Periodic trajectories of ellipsoidal billiards in the 3-dimensional Minkowski space
Vladimir Dragovic, Milena Radnovic
In this paper, we give detailed analysis and description of periodic trajectories of the billiard system within an ellipsoid in the 3-dimensional Minkowski space, taking into accou…
math.DS2019
Periodic billiards within conics in the Minkowski plane and Akhiezer polynomials
Anani Komla Adabrah, Vladimir Dragovic, Milena Radnovic
We derive necessary and sufficient conditions for periodic and for elliptic periodic trajectories of billiards within an ellipse in the Minkowski plane in terms of an underlining e…