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Regular version of the site

Article

Entropy and complexity of polygonal billiards with spy mirrors

Nonlinearity. 2015. Vol. 28. No. 9. P. 3443-3456.
Skripchenko A., Troubetzkoy S.

We prove that a polygonal billiard with one-sided mirrors has zero topological entropy. In certain cases we show sub exponential and for others polynomial estimates on the complexity.