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RINGS ON WATER AND THEIR ENTROPY

Published online by Cambridge University Press:  14 March 2013

MICHEL MENDÈS FRANCE*
Affiliation:
A2X Mathématiques, UMR 5465, Université de Bordeaux 1, 33405 Talence Cedex, France
TADASHI TOKIEDA
Affiliation:
Trinity Hall, Cambridge CB2 1TJ, UK email [email protected]
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Abstract

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We introduce the entropy of a family of planar curves in terms of the number of intersections of the family with a random line, calculate it for key examples, and discuss the entropy of a pattern of rings produced by an impulse on the surface of still water.

Type
Research Article
Copyright
Copyright ©2013 Australian Mathematical Publishing Association Inc.

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