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We give an algorithmic local lemma by establishing a sufficient condition for the uniform random walk on a directed graph to reach a sink quickly. Our work is inspired by Moser's entropic method proof of the Lov\'{a}sz Local Lemma (LLL) for…

组合数学 · 数学 2015-04-10 Dimitris Achlioptas , Fotis Iliopoulos

We propose a new algorithmic framework, called "partial rejection sampling", to draw samples exactly from a product distribution, conditioned on none of a number of bad events occurring. Our framework builds (perhaps surprising) new…

数据结构与算法 · 计算机科学 2019-01-16 Heng Guo , Mark Jerrum , Jingcheng Liu

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

In 20th century mathematics, the field of topology, which concerns the properties of geometric objects under continuous transformation, has proved surprisingly useful in application to the study of discrete mathematics, such as…

历史与综述 · 数学 2024-05-10 Jingsi Hou , Guangyan Huang , Sammy Suliman , Haoran Yan

The resampling algorithm of Moser \& Tardos is a powerful approach to develop constructive versions of the Lov\'{a}sz Local Lemma (LLL). We generalize this to partial resampling: when a bad event holds, we resample an appropriately-random…

组合数学 · 数学 2023-10-13 David G. Harris , Aravind Srinivasan

In this paper we develop tools for studying limit theorems by means of convexity. We establish bounds for the discrepancy in total variation between probability measures $\mu$ and $\nu$ such that $\nu$ is log-concave with respect to $\mu$.…

概率论 · 数学 2022-10-24 Arturo Jaramillo , James Melbourne

This note is purely expository and is in Russian. We show how to prove interesting combinatorial results using the local Lovasz lemma. The note is accessible for students having basic knowledge of combinatorics; the notion of independence…

历史与综述 · 数学 2015-01-26 D. Ilyinskiy , A. Raigorodskiy , A. Skopenkov

In this work, we study the Lov\'asz local lemma (LLL) problem in the area of distributed quantum computing, which has been the focus of attention of recent advances in quantum computing [STOC'24, STOC'25, STOC'25]. We prove a lower bound of…

分布式、并行与集群计算 · 计算机科学 2025-10-20 Sebastian Brandt , Tim Göttlicher

The Lov\'{a}sz Local Lemma (LLL) is a probabilistic tool which shows that, if a collection of "bad" events $\mathcal B$ in a probability space are not too likely and not too interdependent, then there is a positive probability that no…

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

A fundamental tool in network information theory is the covering lemma, which lower bounds the probability that there exists a pair of random variables, among a give number of independently generated candidates, falling within a given set.…

信息论 · 计算机科学 2019-04-18 Jingbo Liu , Mohammad H. Yassaee , Sergio Verdú

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

An old result by Shearer relates the Lov\'asz Local Lemma with the independent set polynomial on graphs, and consequently, as observed by Scott and Sokal, with the partition function of the hard core lattice gas on graphs. We use this…

组合数学 · 数学 2010-03-29 Rodrigo Bissacot , Roberto Fernández , Aldo Procacci , Benedetto Scoppola

We consider the task of designing Local Computation Algorithms (LCA) for applications of the Lov\'{a}sz Local Lemma (LLL). LCA is a class of sublinear algorithms proposed by Rubinfeld et al.~\cite{Ronitt} that have received a lot of…

数据结构与算法 · 计算机科学 2020-07-08 Dimitris Achlioptas , Themis Gouleakis , Fotis Iliopoulos

The Local Computation Algorithm (LCA) model is a popular model in the field of sublinear-time algorithms that measures the complexity of an algorithm by the number of probes the algorithm makes in the neighborhood of one node to determine…

数据结构与算法 · 计算机科学 2021-12-06 Sebastian Brandt , Christoph Grunau , Václav Rozhoň

Shearer gave a general theorem characterizing the family $\LLL$ of dependency graphs labeled with probabilities $p_v$ which have the property that for any family of events with a dependency graph from $\LLL$ (whose vertex-labels are upper…

组合数学 · 数学 2012-04-27 Wesley Pegden

The Lov\'{a}sz Local Lemma (LLL) is a powerful tool in probabilistic combinatorics which can be used to establish the existence of objects that satisfy certain properties. The breakthrough paper of Moser and Tardos and follow-up works…

数据结构与算法 · 计算机科学 2025-09-09 David G. Harris , Fotis Iliopoulos , Vladimir Kolmogorov

In this article we demonstrate how algorithmic probability theory is applied to situations that involve uncertainty. When people are unsure of their model of reality, then the outcome they observe will cause them to update their beliefs. We…

人工智能 · 计算机科学 2014-05-26 Phil Maguire , Philippe Moser , Rebecca Maguire , Mark Keane

Covering arrays find important application in software and hardware interaction testing. For practical applications it is useful to determine or bound the minimum number of rows, CAN$(t,k,v)$, in a covering array for given values of the…

组合数学 · 数学 2016-03-28 Kaushik Sarkar , Charles J. Colbourn

The Lovasz Local Lemma [EL75] is a powerful tool to prove the existence of combinatorial objects meeting a prescribed collection of criteria. The technique can directly be applied to the satisfiability problem, yielding that a k-CNF formula…

数据结构与算法 · 计算机科学 2008-10-29 Robin A. Moser

We outline how modern likelihood theory, which provides essentially exact inferences in a variety of parametric statistical problems, may routinely be applied in practice. Although the likelihood procedures are based on analytical…

统计方法学 · 统计学 2009-06-23 Alessandra R. Brazzale , Anthony C. Davison