def escortPartitionZn (x : Fin J → ℝ) (ρ : ℝ) (n : ℕ) : ℝ := ∑ j : Fin J, x j ^ ρ * (Real.log (x j)) ^ n
thesis/CESProofs/Foundations/CumulantTower.lean:70
The Cumulant Tower: Higher-Order Bridges Between CES and Escort Statistics