2010 IEEE 51st Annual Symposium on Foundations of Computer Science最新文献

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Bounded Independence Fools Degree-2 Threshold Functions 有界独立愚弄2度阈值函数
2010 IEEE 51st Annual Symposium on Foundations of Computer Science Pub Date : 2009-11-17 DOI: 10.1109/FOCS.2010.8
Ilias Diakonikolas, D. Kane, Jelani Nelson
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引用次数: 102
Bounds on Monotone Switching Networks for Directed Connectivity 有向连通单调交换网络的界
2010 IEEE 51st Annual Symposium on Foundations of Computer Science Pub Date : 2009-11-03 DOI: 10.1145/3080520
Aaron Potechin
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引用次数: 33
Optimal Testing of Reed-Muller Codes Reed-Muller代码的最优测试
2010 IEEE 51st Annual Symposium on Foundations of Computer Science Pub Date : 2009-10-04 DOI: 10.1109/FOCS.2010.54
Arnab Bhattacharyya, Swastik Kopparty, G. Schoenebeck, M. Sudan, David Zuckerman
{"title":"Optimal Testing of Reed-Muller Codes","authors":"Arnab Bhattacharyya, Swastik Kopparty, G. Schoenebeck, M. Sudan, David Zuckerman","doi":"10.1109/FOCS.2010.54","DOIUrl":"https://doi.org/10.1109/FOCS.2010.54","url":null,"abstract":"We consider the problem of testing if a given function $f : F_2^n right arrow F_2$ is close to any degree $d$ polynomial in $n$ variables, also known as the Reed-Muller testing problem. %The Gowers norm is based on a natural $2^{d+1}$-query test for this property. Alon et al.~cite{AKKLR} proposed and analyzed a natural $2^{d+1}$-query test for this problem. This test turned out to be intimately related to the Gowers norm. Alon et. al. showed that this test accepts every degree $d$ polynomial with probability $1$, while it rejects functions that are $Omega(1)$-far with probability $Omega(1/(d 2^{d}))$. We give an asymptotically optimal analysis of this test, and show that it rejects functions that are (even only) $Omega(2^{-d})$-far with $Omega(1)$-probability (so the rejection probability is a universal constant independent of $d$ and $n$). This implies a tight relationship between the $(d+1)^{rm{st}}$-Gowers norm of a function and its maximal correlation with degree $d$ polynomials, when the correlation is close to 1. Our proof works by induction on $n$ and yields a new analysis of even the classical Blum-Luby-Rubinfeld~cite{BLR} linearity test, for the setting of functions mapping $F_2^n$ to $F_2$. The optimality follows from a tighter analysis of counterexamples to the ``inverse conjecture for the Gowers norm'' constructed by cite{GT07, LMS}. Our result has several implications. First, it shows that the Gowers norm test is tolerant, in that it also accepts close code words. Second, it improves the parameters of an XOR lemma for polynomials given by Viola and Wigderson~cite{VW}. Third, it implies a ``query hierarchy'' result for property testing of affine-invariant properties. That is, for every function $q(n)$, it gives an affine-invariant property that is testable with $O(q(n))$-queries, but not with $o(q(n))$-queries, complementing an analogous result of cite{GKNR08} for graph properties.","PeriodicalId":228365,"journal":{"name":"2010 IEEE 51st Annual Symposium on Foundations of Computer Science","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124367712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 88
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