Local structure of Deligne-Mumford stacks

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700c528eb21feb221b7b427d28202ca380861a9c 7

Solve the above attached question.

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This is Lemma 2.2.3 of the paper

Abramovich-Vistoli: Compactifying the space of stable maps;

see also section 5.4 of the “Guide to the stacks literature” by Jarod Alper.

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