Coverings of 3-manifolds by open balls and two open solid tori (Q1041661)
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scientific article; zbMATH DE number 5641759
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Coverings of 3-manifolds by open balls and two open solid tori |
scientific article; zbMATH DE number 5641759 |
Statements
Coverings of 3-manifolds by open balls and two open solid tori (English)
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3 December 2009
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Lusternik-Schnirelmann category
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coverings of 3-manifolds by open subsets
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