The hypertree poset and the \(\ell^2\)-Betti numbers of the motion group of the trivial link. (Q1434166)
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scientific article; zbMATH DE number 2078033
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The hypertree poset and the \(\ell^2\)-Betti numbers of the motion group of the trivial link. |
scientific article; zbMATH DE number 2078033 |
Statements
The hypertree poset and the \(\ell^2\)-Betti numbers of the motion group of the trivial link. (English)
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1 July 2004
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Euler characteristics
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\(\ell^2\)-cohomology
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groups of motions
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free group automorphisms
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Möbius functions
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posets of hypertrees
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