OAI/Analysis/CircleDomains/Topology/PuncturedPhysicalCollar.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Punctured disk collars for a continuous physical coordinate, including coordinates pulled back through the component quotient. Boundary avoidance suffices: compactness supplies one common inward width.
- theorem
OAI.CircleDomainRigidity.exists_punctured_physical_collarline 15