OAI/NumberTheory/JointDickman/Probability/TwoSiteSplitProduct.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Conditional products of the two independent fair splits
- def
OAI.JointDickman.sitePairSplitAverageline 10 - theorem
OAI.JointDickman.twoSiteSplit_productline 16Source documentation
Given the two sites, the two fair splits are independent.
theorem twoSiteSplit_product (P : Finset ℕ) (F G : Finset ℕ → Finset ℕ → Finset ℕ → Finset ℕ → ℝ) : (∑ x : TwoSiteSplit P, twoSiteSplitMass P x * F x.site₁.val x.site₂.val x.first₁.val x.first₂.val * G x.site₁.val x.site₂.val x.second₁.val x.second₂.val) = ∑ S ∈ P.powerset, bernoulliSubsetMass P (fun p => 1 / (p : ℝ)) S * ∑ T ∈ P.powerset, bernoulliSubsetMass P (fun p => 1 / (p : ℝ)) T * (sitePairSplitAverage P S T (F S T) * sitePairSplitAverage P S T (G S T)) := by …Mentions: OAI.JointDickman.TwoSiteSplit, OAI.JointDickman.twoSiteSplitMass, OAI.JointDickman.bernoulliSubsetMass, OAI.JointDickman.sitePairSplitAverage