def tsallisEntropy (J : ℕ) (q : ℝ) (p : Fin J → ℝ) : ℝ := if q = 1 then -∑ j : Fin J, p j * Real.log (p j) else (1 - ∑ j : Fin J, (p j) ^ q) / (q - 1)
thesis/CESProofs/Potential/Defs.lean:80
Core definitions for the Lean formalization of Paper 2: