Completely inapproximable monotone and antimonotone parameterized problems

被引：14
|
作者：
Marx, Daniel [1 ]
机构：
[1] Hungarian Acad Sci MTA SZTAKI, Comp & Automat Res Inst, Budapest, Hungary
来源：
JOURNAL OF COMPUTER AND SYSTEM SCIENCES | 2013年 / 79卷 / 01期
基金：
欧洲研究理事会;
关键词：
Inapproximability; Fixed-parameter tractability; Circuits; Circuit satisfiability; APPROXIMATION; APPROXIMABILITY;
D O I：
10.1016/j.jcss.2012.09.001
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
We prove that weighted circuit satisfiability for monotone or antimonotone circuits has no fixed-parameter tractable approximation algorithm with any approximation ratio function rho, unless FPT not equal W[1]. In particular, not having such an fpt-approximation algorithm implies that these problems have no polynomial-time approximation algorithms with ratio rho(OPT) for any nontrivial function rho. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码：144 / 151
页数：8
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