OAI/Geometry/SurfaceImmersion/Atlas/PhaseFrameMargins.lean

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4 declarations, 0 contain sorry, 0 declared as axioms

Explicit reciprocal margins after the linear phase change. They depend only polynomially on the phase covector and the original geometric margins.

  1. lemma OAI.ClosedSurfaceR4.RealModes.phase_length_sq_le line 15
  2. lemma OAI.ClosedSurfaceR4.RealModes.gramDet_phase line 26
  3. theorem OAI.ClosedSurfaceR4.RealModes.inverse_gram_phase_bound line 44
  4. theorem OAI.ClosedSurfaceR4.RealModes.inverse_normal_phase_bound line 58