Smoothed Analysis of the Simplex Method

Smoothed Analysis of the Simplex Method
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单纯形法的平滑分析

DOI:
10.1017/9781108637435.019
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发表时间:
2020
期刊:
影响因子:
2.4
通讯作者:
Sophie Huiberts
Sophie Huiberts
中科院分区:
数学3区
文献类型:
--
作者:
D. Dadush;Sophie Huiberts

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在本章中,我们给出了线性规划(LP)的阴影顶点单纯形方法的平滑分析的技术概述。我们首先回顾了阴影顶点单纯形法及其相关几何的性质。我们首先分析了目标扰动下最小代价最大流量问题的连续最短路径算法,这是阴影顶点单纯形法的一个经典实例。然后,我们转向一般线性规划,并分析了高斯约束摄动下基于阴影顶点的线性规划算法。
In this chapter, we give a technical overview of smoothed analyses of the shadow vertex simplex method for linear programming (LP). We first review the properties of the shadow vertex simplex method and its associated geometry. We begin the smoothed analysis discussion with an analysis of the successive shortest path algorithm for the minimum-cost maximum-flow problem under objective perturbations, a classical instantiation of the shadow vertex simplex method. Then we move to general linear programming and give an analysis of a shadow vertex based algorithm for linear programming under Gaussian constraint perturbations.
单纯形算法具有 NP 强大性
DOI: 10.1145/3280847
发表时间: 2018
期刊: ACM Transactions on Algorithms (TALG)
影响因子: --
作者:
Disser;Skutella;Martin
通讯作者: Martin