OAI/Topology/CoarseAssembly/SeparatedFamilyNearby.lean

GitHub source file

1 declarations, 0 contain sorry, 0 declared as axioms

A uniform small perturbation preserves the whole-union boundary

The difference need not be compact. The argument uses the short invertible path in the actual Roe unitization, with no componentwise K-theory inference.

  1. theorem OAI.CoarseAssembly.DiscreteRoe.separatedFamilyBoundary_eq_of_nearby line 21