Using integrability to produce chaos: Billiards with positive entropy
Using integrability to produce chaos: Billiards with positive entropy
复制标题
利用可积性产生混沌:正熵台球
DOI:
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发表时间:
1991
期刊:
影响因子:
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通讯作者:
V. Donnay
中科院分区:
文献类型:
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作者:
V. Donnay
A new open class of convex 2 dimensional planar billiards with positive Lyapunov exponent almost everywhere is constructed. We introduce the notion of a focusing arc and show that such arcs can be used to build billiard systems with positive Lyapunov exponents. We prove that under smallC6 perturbations, focusing arcs remain focusing and thereby show that perturbations of the Bunimovich stadium billiard have positive Lyapunov exponents.