OAI/NumberTheory/JointDickman/Probability/FrozenSiteLaw.lean
6 declarations, 0 contain sorry, 0 declared as axioms
Conditioning on a fixed collection of sampled sites
- def
OAI.JointDickman.frozenSiteMassline 13Source documentation
Sampled coordinates are fixed; every other coordinate keeps its law.
noncomputable def frozenSiteMass (p : ι → A → ℝ) (J : Finset ι) (t : ι → A) (i : ι) (a : A) : ℝ := … - theorem
OAI.JointDickman.frozenSiteMass_nonnegline 18 - theorem
OAI.JointDickman.frozenSiteMass_sumline 25 - theorem
OAI.JointDickman.frozenSiteMass_averageline 30 - theorem
OAI.JointDickman.frozenSiteMass_supportline 45 - theorem
OAI.JointDickman.frozenSiteMass_disintegrateline 56Source documentation
Averaging the conditional law recovers the original law. The test may depend on the fixed types, provided only their sampled coordinates matter.
theorem frozenSiteMass_disintegrate (p : ι → A → ℝ) (hpone : ∀ i, ∑ a, p i a = 1) (J : Finset ι) (F : (ι → A) → (ι → A) → ℝ) (hF : ∀ t x, (∀ i ∈ J, x i = t i) → F t x = F x x) : finiteExpectation (siteProductMass p) (fun x => F x x) = finiteExpectation (siteProductMass p) (fun t => finiteExpectation (siteProductMass (frozenSiteMass p J t)) (F t)) := by …Mentions: OAI.JointDickman.finiteExpectation, OAI.JointDickman.frozenSiteMass