A remark on Khovanov homology and two-fold branched covers
classification
🧮 math.GT
keywords
branchedhomologykhovanovtwo-foldcoverscoverdistinguishedexamples
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Examples of knots and links distinguished by the total rank of their Khovanov homology but sharing the same two-fold branched cover are given. As a result, Khovanov homology does not yield an invariant of two-fold branched covers.
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