An Elementary Fact About Unlinked Braid Closures
| Autor: | Stephan M. Wehrli, J. Elisenda Grigsby |
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| Rok vydání: | 2016 |
| Předmět: | |
| Zdroj: | Association for Women in Mathematics Series ISBN: 9783319341378 |
| DOI: | 10.1007/978-3-319-34139-2_2 |
| Popis: | Let \(n \in \mathbb {Z}^+\). We provide two short proofs of the following classical fact, one using Khovanov homology and one using Heegaard–Floer homology: if the closure of an n-strand braid \(\sigma \) is the n-component unlink, then \(\sigma \) is the trivial braid. |
| Databáze: | OpenAIRE |
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