OAI/Topology/ArtinGroups/ParabolicIntersections/InitialMinimum.lean

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5 declarations, 0 contain sorry, 0 declared as axioms

The initial singleton is a minimum of the full relative harmonic height.

  1. lemma OAI.HarmonicArtin.ParabolicIntersections.vector_eq_single_of_sum line 11
  2. lemma OAI.HarmonicArtin.ParabolicIntersections.initial_profile line 26
  3. lemma OAI.HarmonicArtin.ParabolicIntersections.pointedCosetVector_frame_of_relative line 34
  4. lemma OAI.HarmonicArtin.ParabolicIntersections.initial_block_le line 47
  5. theorem OAI.HarmonicArtin.ParabolicIntersections.initial_height_minimum line 97

    Source documentation

    The minimum-height assertion in the proof of the initial stabilizer, including the full vector and full sign mask.

    theorem initial_height_minimum (U : Set (S ⊕ Unit)) (cutoff : ℤ) (Y : Set S) (hf : f ∉ Y)
        (P : RelativeVertex M Y 1) :
        relativeHeight M f U cutoff (sourceCoset M ∅ (spherical_empty M) 1) ≤
          relativeHeight M f U cutoff P.val := by
    …

    Mentions: OAI.HarmonicArtin.ParabolicIntersections.RelativeVertex, OAI.HarmonicArtin.ParabolicIntersections.relativeHeight, OAI.HarmonicArtin.sourceCoset, OAI.HarmonicArtin.spherical_empty