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arxiv: 1706.07940 · v3 · pith:EPTPRPEBnew · submitted 2017-06-24 · 🧮 math.GT

Linking forms of amphichiral knots

classification 🧮 math.GT
keywords amphichiralknotsamphichiralitybranchedcoverfoldformsgive
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We give a simple obstruction for a knot to be amphichiral, in terms of the homology of the 2-fold branched cover. We work with unoriented knots, and so obstruct both positive and negative amphichirality.

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