Positive braid knots of maximal topological 4-genus
classification
🧮 math.GT
keywords
braidgenusmaximalpositivetopologicalknotsapplicationcompute
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We show that a positive braid knot has maximal topological 4-genus exactly if it has maximal signature invariant. As an application, we determine all positive braid knots with maximal topological 4-genus and compute the topological 4-genus for all positive braid knots with up to 12 crossings.
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