Dynamical cocycles with values in the Artin braid group
classification
🧮 math.DS
keywords
artinbraidcocyclediffeomorphismdynamicalgrouppropertiesvalues
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By considering the way an n-tuple of points in the 2-disk are linked together under iteration of an orientation preserving diffeomorphism, we construct a dynamical cocycle with values in the Artin braid group. We study the asymptotic properties of this cocycle and derive a series of topological invariants for the diffeomorphism which enjoy rich properties.
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