OAI/Analysis/CircleDomains/Topology/PuncturedSquareNeighborhood.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

Finite square mass admits a small punctured neighborhood of any point. This controls the entire hit vector, including any later countable restriction.

  1. theorem OAI.CircleDomainRigidity.punctured_square_norm_subtype_le line 17
  2. theorem OAI.CircleDomainRigidity.exists_open_punctured_square_norm line 31