OAI/Analysis/RieszRectifiability/Foundations/SmoothAnnularTangentBounds.lean

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Smooth annular bounds on tangent measures

Local bounds near the blowup center pass to every support point of a tangent measure. Support approximants rescale into the original neighborhood, while their outer annular radii shrink below the prescribed cap, allowing the moving-center limit bound to apply.

  1. theorem OAI.RieszRectifiability.smoothAnnularTransform_bound_on_tangent line 21