On a relative existence problem of invariant contact forms in three dimensions (Q1203391)
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scientific article; zbMATH DE number 118286
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On a relative existence problem of invariant contact forms in three dimensions |
scientific article; zbMATH DE number 118286 |
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On a relative existence problem of invariant contact forms in three dimensions (English)
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8 February 1993
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On montre que sur toute variété \(M\) de dimension 3 compact orientable munie d'une action libre de \(\mathbb{S}^ 1\), il existe une forme de contact invariante induisant une 1-forme invariante \(\eta\) donnée sur une surface invariante de \(M\), si et seulement si \(\eta\) et \(d\eta\) ne s'annulent pas simultanément.
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fibre bundle
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group action
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