OAI/Analysis/CircleDomains/Topology/ShrinkingBallNeighborhoods.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

Compact source sets uniformly control the centers of late shrinking balls that meet a fixed neighborhood. Applied to a closed correspondence, this controls every scalar interval of such a ball, not just its center.

  1. theorem OAI.CircleDomainRigidity.nonnegative_square_summable_tendsto_zero line 15
  2. theorem OAI.CircleDomainRigidity.shrinking_balls_near_compact line 24
  3. theorem OAI.CircleDomainRigidity.closed_relation_shrinking_intervals line 39