Siddhartha Gadgil

  1. A triangulation of a homotopy-Deligne-Mumford compactification of the Moduli of curves.

    Authors: Siddhartha Gadgil
    Subjects: Geometric Topology
    Abstract

    We construct a triangulation of a compactification of the Moduli space of a
    surface with at least one puncture that is closely related to the
    Deligne-Mumford compactification. Specifically, there is a surjective map from
    the compactification we construct to the Deligne-Mumford compactification so
    that the inverse image of each point is contractible. In particular our
    compactification is homotopy equivalent to the Deligne-Mumford
    compactification.

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