Abstract
With help of inversion numbers, we obtain sharp upper bounds of the number of collisions in some special billiard systems.
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Chen, L. Inversion Number and Collisions in Some Billiard Systems. J Stat Phys 137, 331 (2009). https://doi.org/10.1007/s10955-009-9846-6
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DOI: https://doi.org/10.1007/s10955-009-9846-6