theorem effectiveCurvatureKeff_zero_friction (J : ℕ) (ρ Tstar : ℝ)
(_hTs : 0 < Tstar) :
effectiveCurvatureKeff J ρ 0 Tstar = curvatureK J ρ := by
simp only [effectiveCurvatureKeff, zero_div, sub_zero]
rw [max_eq_right (zero_le_one), mul_one]Core definitions for the Lean formalization of Paper 2: