theorem weighted_conservation_at_equal_weights
{J : ℕ} (hJ : 2 ≤ J) {ρ c w : ℝ} (hρ : ρ < 1) (hρne : ρ ≠ 0)
(hc : 0 < c) (hw : 0 < w) :
|cesEigenvaluePerp J ρ c| * |dualEigenvaluePerp J ρ w| =
1 / ((J : ℝ) * c * w) := by
exact curvature_conservation hJ hρ hρne hc hw## Theorem 2b.3: Weighted Curvature Conservation