Quantitative material/spatial commutation for arbitrary outer words.
theorem
AVenhance.Infra.Section4.amnr_word_material_spatial_abs_le_of_bounds
{b : AmnrSpace → Homogenization.Vec 2}
{f : AmnrSpace → ℝ}
(hb : ContDiff ℝ (↑⊤) b)
(hf : ContDiff ℝ (↑⊤) f)
(w : List (Option (Fin 2)))
(i : Fin 2)
(z : AmnrSpace)
{S H F B G : ℝ}
(hS : 0 ≤ S)
(hH : 0 ≤ H)
(hB : 0 ≤ B)
(hG : 0 ≤ G)
(hF : |amnrWord b (w ++ [some i, none]) f z| ≤ F)
(hBb :
∀ (p : Fin 2) (v : List (Option (Fin 2))),
v.Sublist w → |amnrWord b v (amnrVelocityGradient b p i) z| ≤ B * amnrWeight S H v)
(hGb :
∀ (p : Fin 2) (v : List (Option (Fin 2))),
v.Sublist w → |amnrWord b v (amnrOp b (some p) f) z| ≤ G * amnrWeight S H v)
:
Every outer word can be applied to the actual material/spatial commutator; complementary subwords control each product factor.