: the pulled cell flux C⁰_k of normie3⁺ is the cell flux
cellFluxCell (whose fast mean is the flux, cellFluxCell_mean) composed with
the inverse flow Y_{l_k}.
theorem
AVenhance.Infra.Section5.LeftJacobian.cellFlux_eq_cellFluxCell_comp
{β : ℝ}
(I : Ingredients β)
{Φ : ℕ → ℝ → Homogenization.Vec 2 → ℝ}
(hΦ : IsStreamSeq I Φ)
(m : ℕ)
(κm : ℝ)
(k : ℤ)
(t : ℝ)
(x : Homogenization.Vec 2)
:
C⁰_k(x) = cellFluxCell (Y_{l_k} x).