Elliptical Billiards in the Minkowski Plane and Extremal Polynomials
A. K. Adabraha, V. Dragovićba, M. Radnovićcb
a Department of Mathematical Sciences, The University of Texas at Dallas, 800 West Campbell Road, 75080 Richardson TX, USA
b Mathematical Institute SANU,
Kneza Mihaila 36, 11001, Belgrade, p.p. 367, Serbia
c School of Mathematics and Statistics, The University of Sydney, Carslaw F07, 2006 NSW, Australia
We derive necessary and sufficient conditions for periodic trajectories of billiards within an ellipse in the Minkowski plane in terms of an underlying elliptic curve. Equivalent conditions are derived in terms of polynomial-functional equations as well. The corresponding polynomials are related to the classical extremal polynomials. Similarities and differences with respect to the previously studied Euclidean case are indicated.
Minkowski plane, elliptical billiards, elliptic curve, Akhiezer polynomials
|Australian Research Council
|Serbian Ministry of Science and Technological Development
|The research of V.D. and M.R. was supported by the Discovery Project #DP190101838 Billiards within
confocal quadrics and beyond from the Australian Research Council and Project #174020 Geometry and
Topology of Manifolds, Classical Mechanics and Integrable Systems of the Serbian Ministry of Education,
Technological Development and Science.
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MSC: 14H70, 41A10, 70H06, 37J35, 26C05
A. K. Adabrah, V. Dragović, M. Radnović, “Elliptical Billiards in the Minkowski Plane and Extremal Polynomials”, Nelin. Dinam., 15:4 (2019), 397–407
Citation in format AMSBIB
\by A. K. Adabrah, V. Dragovi\'c, M. Radnovi\'c
\paper Elliptical Billiards in the Minkowski Plane and Extremal Polynomials
\jour Nelin. Dinam.
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