OAI/Analysis/Mahler/WedgeEven.lean
7 declarations, 0 contain sorry, 0 declared as axioms
- lemma
OAI.Mahler.wedge_reindexline 13 - lemma
OAI.Mahler.two_block_swap_signline 33Source 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 …
- lemma
OAI.Mahler.wedge_two_commline 36 - lemma
OAI.Mahler.wedge_two_left_commline 43Source 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
- lemma
OAI.Mahler.wedge_add_leftline 48 - lemma
OAI.Mahler.wedge_add_rightline 53 - theorem
OAI.Mahler.wedgePowerVariation_succline 60Source 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