OAI/Analysis/CircleDomains/Topology/ProperBoundaryApproach.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

A homeomorphism between open subsets of compact ambient spaces is proper at the omitted boundary. The conclusion concerns the whole target frontier and does not presuppose a pointwise boundary extension.

  1. lemma OAI.CircleDomainRigidity.tendsto_frontier_of_inverse line 15
  2. lemma OAI.CircleDomainRigidity.tendsto_of_constant_on_set line 44
  3. lemma OAI.CircleDomainRigidity.tendsto_boundary_value_of_inverse line 56