theorem K_decreasing_in_herfindahl
{J : ℕ} {ρ : ℝ} (hρ : ρ < 1)
{a₁ a₂ : Fin J → ℝ}
(hH : herfindahlIndex J a₁ < herfindahlIndex J a₂) :
generalCurvatureK J ρ a₂ < generalCurvatureK J ρ a₁ := by
unfold generalCurvatureK herfindahlIndex at *
have hρ_pos : 0 < 1 - ρ := by linarith
nlinarith## General-Weight Effective Curvature Theorems