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Automorphisms of fine curve graphs of planar surfaces
Published 6 Jun 2025 in math.GT | (2506.06142v1)
Abstract: The fine curve graph of a surface is the graph whose vertices are simple closed essential curves in the surface and whose edges connect disjoint curves. In this paper, we prove that the automorphism group of the fine curve graph of a surface is naturally isomorphic to the homeomorphism group of the surface for boundaryless planar surfaces with at least 7 punctures.
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