OAI/Analysis/Mahler/WedgeEven.lean

GitHub source file

7 declarations, 0 contain sorry, 0 declared as axioms

  1. lemma OAI.Mahler.wedge_reindex line 13
  2. lemma OAI.Mahler.two_block_swap_sign line 33

    Source documentation

    The swap of two two-slot blocks has positive sign.

    lemma two_block_swap_sign : Equiv.Perm.sign (Equiv.sumComm (Fin 2) (Fin 2)) = 1 := by
    …
  3. lemma OAI.Mahler.wedge_two_comm line 36
  4. lemma OAI.Mahler.wedge_two_left_comm line 43

    Source documentation

    Two degree-two factors commute in their original nested slot order.

    lemma wedge_two_left_comm (basis : Module.Basis J ℝ T)
        (a b : T [⋀^Fin 2]→ₗ[ℝ] ℂ) (c : T [⋀^ν]→ₗ[ℝ] ℂ) :
        wedge a (wedge b c) = wedge b (wedge a c) := by
    …

    Mentions: OAI.Mahler.wedge

  5. lemma OAI.Mahler.wedge_add_left line 48
  6. lemma OAI.Mahler.wedge_add_right line 53
  7. theorem OAI.Mahler.wedgePowerVariation_succ line 60

    Source documentation

    The k+1 genuine variation placements are equal, with no suppressed signs or reassociations. This is the multiplicity in homogeneous transgression.

    theorem wedgePowerVariation_succ (basis : Module.Basis J ℝ T)
        (a da : T [⋀^Fin 2]→ₗ[ℝ] ℂ) (k : ℕ) :
        wedgePowerVariation a da (k+1) =
          ((k+1 : ℕ) : ℂ) • wedge da (wedgePower a k) := by
    …

    Mentions: OAI.Mahler.wedgePowerVariation, OAI.Mahler.wedge, OAI.Mahler.wedgePower