Some arithmetic properties of the CWL invariant (Q281703)
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scientific article; zbMATH DE number 6579164
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Some arithmetic properties of the CWL invariant |
scientific article; zbMATH DE number 6579164 |
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Some arithmetic properties of the CWL invariant (English)
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11 May 2016
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This paper shows that for homology lens spaces the fractional part of the Casson-Walker-Lescop invariant is determined by the mod \(\mathbb Z\) linking form. Tables are provided to illustrate this result, proved mostly by arithmetic, and the author observes that its converse does not hold.
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Casson-Walker-Lescop invariant
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Dedekind sum
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lens space
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homology lens space
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knot surgery
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linking form
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arithmetic
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