Structure of transversal leaves in multidimensional semidispersing billiards (Q801431)
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scientific article; zbMATH DE number 3879212
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Structure of transversal leaves in multidimensional semidispersing billiards |
scientific article; zbMATH DE number 3879212 |
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Structure of transversal leaves in multidimensional semidispersing billiards (English)
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1983
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The paper contains a very strong result having the following two corollaries: 1. Entropy of a semi-dispersing billiard is positive. 2. The group of the unitary operators generated by a semi-dispersing billiard has a countable Lebesgue component in its spectrum.
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structure of transversal leaves in multidimensional semidispersing billiards
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Entropy of a semi-dispersing billiard is positive
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countable Lebesgue component
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