OAI/Probability/DilutedSpin/ProductComparison.lean
1 declarations, 0 contain sorry, 0 declared as axioms
- lemma
OAI.DilutedSpinGlass.FiniteLaw.expect_pi_comparisonline 11Source documentation
Replacing each independent coordinate with a law that decreases every conditional expectation decreases the full product expectation.
lemma expect_pi_comparison {α : Type} [Fintype α] [Nonempty α] (k : ℕ) (P Q : Fin k → FiniteLaw α) (F : (Fin k → α) → ℝ) (h : ∀ (i : Fin k) (x : Fin k → α), (P i).expect (fun a => F (Function.update x i a)) ≤ (Q i).expect (fun a => F (Function.update x i a))) : (pi P).expect F ≤ (pi Q).expect F := by …Mentions: OAI.DilutedSpinGlass.FiniteLaw, OAI.DilutedSpinGlass.FiniteLaw.expect, OAI.DilutedSpinGlass.FiniteLaw.pi