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---
title: "Lovász Local Lemma"
created: 2026-05-11
updated: 2026-05-11
type: concept
tags: [combinatorics, probability, placeholder]
sources: [[ramsey-numbers-survey]]
---
# Lovász Local Lemma
## 定义
Lovász 局部引理László Lovász, 1975是[[probabilistic-method|概率方法]]的强力推广,处理大量相关事件同时不发生的情形。
> 此页面为占位符。
## 在 Ramsey 理论中的应用
用于证明更强的存在性结果——在局部引理的框架下,即使事件之间存在依赖关系,只要每个事件依赖于较少其他事件,仍可保证所有坏事件不发生的概率为正。
## 相关概念
- [[probabilistic-method|概率方法]]
- [[ramsey-theory|拉姆齐理论]]