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Deligne-Mumford compactification

Contents

Idea

A standard compactification due to (Deligne-Mumford 69) of a moduli stack of curves by including curves with singularities,in particular by including nodal curves.

References

The original article is

Reviews include

Discussion over the complex numbers showing that the DM-compactification here is equivalently the orbifold quotient of augmented Teichmüller space by the mapping class group is in