正在加载图片...
mutually independent random variables:XE bad events:A defined on variables in vbl(A):set of variables on which A is defined neighborhood:T(A)={B∈A|B≠A and vbl((A)nvbl(B)≠O} inclusive neighborhood:I+(A)=D(AUA "events that are dependent with A, excluding/including A itself" Lovasz Local Lemma (general) 3a:A→0,1) VA∈A: >AaⅡa-a Pr[A]≤QA Π(1-aB) A∈A B∈T(A) >0mutually independent random variables: X ∈ X bad events: A ∈ A defined on variables in X vbl(A)⊆ X: set of variables on which A is defined neighborhood: Γ(A) = { B ∈ A | B≠A and vbl(A)∩vbl(B) ≠∅ } inclusive neighborhood: Γ+(A) = Γ(A)∪{ A } “events that are dependent with A, excluding/including A itself” 8A 2 A : Lovász Local Lemma (general) 9↵ : A ! [0, 1) Pr[A]  ↵A Y B2￾(A) (1 ￾ ↵B) Pr " ^ A2A A # ￾ Y A2A (1 ￾ ↵A) > 0
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有