94-88 Maciej P. Wojtkowski
THE SYSTEM OF TWO SPINNING DISKS IN THE TORUS (28K, AMSTeX) Apr 8, 94
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Abstract. We study the system of two spinning disks in the torus. We show how to reduce this nonhamiltonian system to a 3 dimensional measure preserving reversible map. We establish that, in contrast to the case of elastic collisions, this system may have periodic orbits with all Floquet exponents on the unit circle.

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