On the fractional Dehn twist coefficients of branched coverings
classification
🧮 math.GT
keywords
brancheddehnfractionaltwistapplicationsbehavesbookbraids
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We discuss how the fractional Dehn twist coefficient behaves under a fully ramified branched covering of an open book, and give applications to both topological and contact 3-manifolds. Among them, we show that non-right-veering closed braids represent virtually loose transverse links.
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