OAI/Analysis/CircleDomains/Topology/SymmetricCircleAnnulus.lean

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6 declarations, 0 contain sorry, 0 declared as axioms

Fixed two-sided annuli subordinate to neighborhoods of the unit circle. Their reflection symmetry is exact.

  1. def OAI.CircleDomainRigidity.symmetricCircleAnnulus line 14
  2. lemma OAI.CircleDomainRigidity.isOpen_symmetricCircleAnnulus line 16
  3. lemma OAI.CircleDomainRigidity.symmetricCircleAnnulus_ne_zero line 19
  4. lemma OAI.CircleDomainRigidity.symmetricCircleAnnulus_reflection line 23
  5. lemma OAI.CircleDomainRigidity.unit_circle_subset_symmetricCircleAnnulus line 30
  6. lemma OAI.CircleDomainRigidity.exists_symmetricCircleAnnulus_subset line 38