Higher mixed flow bounds from actual transport and primitive jets.
theorem
AVenhance.Infra.Section4.amnr_flow_mixed_abs_le_of_primitive_jets
{b : AmnrSpace → Homogenization.Vec 2}
(hb : ContDiff ℝ (↑⊤) b)
(G : Fin 2 → AmnrSpace → ℝ)
(hG : ∀ (p : Fin 2), ContDiff ℝ (↑⊤) (G p))
(heq : ∀ (p : Fin 2) (z : AmnrSpace), amnrOp b none (G p) z = ∑ q : Fin 2, G q z * amnrVelocityGradient b p q z)
{N : ℕ}
{S H Cg Cb : ℝ}
(hS : 0 ≤ S)
(hH : 0 ≤ H)
(hCg : 0 ≤ Cg)
(hCb : 0 ≤ Cb)
(z : AmnrSpace)
(hGb : ∀ (p : Fin 2) (η : List (Fin 2)), η.length ≤ N → |amnrWord b (List.map some η) (G p) z| ≤ Cg * S ^ η.length)
(hBb :
∀ (i p : Fin 2) (w : List (Option (Fin 2))),
IsAmnrMixedWord w →
amnrBudget w + 2 ≤ N → |amnrWord b w (amnrVelocityGradient b i p) z| ≤ Cb * H * amnrWeight S H w)
(α : List (Fin 2))
(n : ℕ)
(hbudget : α.length + 2 * n ≤ N)
(p : Fin 2)
:
Exact flow transport and lower gradient jets control every canonical mixed flow word. This helper estimates the actual differentiated products.