def unnormCES (J : ℕ) (ρ : ℝ) : (Fin J → ℝ) → ℝ := fun x => (∑ j : Fin J, (x j) ^ ρ) ^ (1 / ρ)
thesis/CESProofs/Foundations/Defs.lean:51
Core definitions for the Lean formalization of Paper 1: