theorem ces_partition_identity_restated [NeZero J] {ρ : ℝ} (hρ : ρ ≠ 0)
(x : Fin J → ℝ) (hx : ∀ j, 0 < x j) :
ρ * Real.log (powerMean J ρ hρ x) =
Real.log (escortPartitionZ x ρ) - Real.log ↑J :=
logCES_eq_logPartition hρ x hxThe Cumulant Tower: Higher-Order Bridges Between CES and Escort Statistics