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Given a collection of independent events each of which has strictly positive probability, the probability that all of them occur is also strictly positive. The Lov\'asz local lemma (LLL) asserts that this remains true if the events are not…

概率论 · 数学 2021-11-18 Dimitris Achlioptas , Kostas Zampetakis

Moser and Tardos (2010) gave an algorithmic proof of the lopsided Lov\'asz local lemma (LLL) in the variable framework, where each of the undesirable events is assumed to depend on a subset of a collection of independent random variables.…

组合数学 · 数学 2020-06-16 Lefteris Kirousis , John Livieratos , Kostas I. Psaromiligkos

A tight criterion under which the abstract version Lov\'asz Local Lemma (abstract-LLL) holds was given by Shearer decades ago. However, little is known about that of the variable version LLL (variable-LLL) where events are generated by…

离散数学 · 计算机科学 2017-09-18 Kun He , Liang Li , Xingwu Liu , Yuyi Wang , Mingji Xia

The Lov\'{a}sz Local Lemma is a central tool in probabilistic combinatorics, providing a sufficient condition under which a finite collection of undesirable events with limited dependencies can be simultaneously avoided with positive…

组合数学 · 数学 2026-04-30 Igal Sason

The Lov\'{a}sz Local Lemma (LLL) is a keystone principle in probability theory, guaranteeing the existence of configurations which avoid a collection $\mathcal B$ of "bad" events which are mostly independent and have low probability. In its…

数据结构与算法 · 计算机科学 2023-10-13 David G. Harris

The Lopsided Lovasz Local Lemma (LLLL) is a cornerstone probabilistic tool for showing that it is possible to avoid a collection of "bad" events as long as their probabilities and interdependencies are sufficiently small. The strongest…

概率论 · 数学 2023-10-13 David G. Harris

The Lov\'{a}sz Local Lemma (LLL) says that, given a set of bad events that depend on the values of some random variables and where each event happens with probability at most $p$ and depends on at most $d$ other events, there is an…

数据结构与算法 · 计算机科学 2019-08-21 Sebastian Brandt , Yannic Maus , Jara Uitto

The Lov\'{a}sz Local Lemma (LLL) is a keystone principle in probability theory, guaranteeing the existence of configurations which avoid a collection $\mathcal B$ of "bad" events which are mostly independent and have low probability. In its…

数据结构与算法 · 计算机科学 2019-09-20 David G. Harris

The Lov\'asz Local Lemma is a seminal result in probabilistic combinatorics. It gives a sufficient condition on a probability space and a collection of events for the existence of an outcome that simultaneously avoids all of those events.…

组合数学 · 数学 2017-11-21 Nicholas J. A. Harvey , Jan Vondrák

The Lov\'{a}sz Local Lemma (LLL) states that the probability that none of a set of "bad" events happens is nonzero if the probability of each event is small compared to the number of bad events it depends on. A series of results have…

数据结构与算法 · 计算机科学 2011-10-04 Bernhard Haeupler , Barna Saha , Aravind Srinivasan

The probabilistic method is a technique for proving combinatorial existence results by means of showing that a randomly chosen object has the desired properties with positive probability. A particularly powerful probabilistic tool is the…

组合数学 · 数学 2022-02-08 Anton Bernshteyn

The lefthanded Lov\'asz local lemma (LLLL) is a generalization of the Lov\'asz local lemma (LLL), a powerful technique from the probabilistic method. We prove a computable version of the LLLL and use it to effectivize a collection of…

逻辑 · 数学 2024-06-19 Daniel Mourad

The Lov\'asz Local Lemma (the LLL for short) is a powerful tool in probabilistic combinatorics that is used to verify the existence of combinatorial objects with desirable properties. Recent years saw the development of various…

组合数学 · 数学 2026-05-29 Anton Bernshteyn , Jing Yu

The Lov\'asz Local Lemma is a versatile result in probability theory, characterizing circumstances in which a collection of $n$ `bad events', each occurring with probability at most $p$ and dependent on a set of underlying random variables,…

数据结构与算法 · 计算机科学 2025-02-18 Peter Davies-Peck

In a seminal paper (Moser and Tardos, JACM'10), Moser and Tardos developed a simple and powerful algorithm to find solutions to combinatorial problems in the variable Lov{\'a}sz Local Lemma (LLL) setting. Kolipaka and Szegedy (STOC'11)…

数据结构与算法 · 计算机科学 2021-11-15 Kun He , Qian Li , Xiaoming Sun

The Lov\'asz Local Lemma (LLL) is a very powerful tool in combinatorics and probability theory to show the possibility of avoiding all bad events under some weakly dependent conditions. In a seminal paper, Ambainis, Kempe, and Sattath (JACM…

计算复杂性 · 计算机科学 2024-09-30 Kun He , Qian Li , Xiaoming Sun , Jiapeng Zhang

The Lovasz Local Lemma (LLL) is a powerful result in probability theory that states that the probability that none of a set of bad events happens is nonzero if the probability of each event is small compared to the number of events that…

数据结构与算法 · 计算机科学 2019-08-07 Karthekeyan Chandrasekaran , Navin Goyal , Bernhard Haeupler

The Lopsided Lov\'{a}sz Local Lemma (LLLL) is a powerful probabilistic principle which has been used in a variety of combinatorial constructions. While originally a general statement about probability spaces, it has recently been…

数据结构与算法 · 计算机科学 2023-10-13 David G. Harris

The first author together with Jenssen, Perkins and Roberts (2017) recently showed how local properties of the hard-core model on triangle-free graphs guarantee the existence of large independent sets, of size matching the best-known…

组合数学 · 数学 2020-04-01 Ewan Davies , Ross J. Kang , François Pirot , Jean-Sébastien Sereni

Recently, Brandt, Maus and Uitto [PODC'19] showed that, in a restricted setting, the dependency of the complexity of the distributed Lov\'asz Local Lemma (LLL) on the chosen LLL criterion exhibits a sharp threshold phenomenon: They proved…

数据结构与算法 · 计算机科学 2020-06-09 Sebastian Brandt , Christoph Grunau , Václav Rozhoň
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