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arxiv: 1006.4831 · v1 · submitted 2010-06-24 · 🧮 math.DS · math-ph· math.MP

Knudsen's law and random billiards in irrational triangles

classification 🧮 math.DS math-phmath.MP
keywords irrationalknudsenrandomtrianglesbilliardsbouncingconsistingcorresponding
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We prove Knudsen's law for a gas of particles bouncing freely in a two dimensional pipeline with serrated walls consisting of irrational triangles. Dynamics are randomly perturbed and the corresponding random map studied under a skew-type deterministic representation which is shown to be ergodic and exact.

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