Efficient testing of bipartite graphs for forbidden induced subgraphs

Noga Alon; Eldar Fischer; Ilan Newman

doi:10.1137/050627915

Efficient testing of bipartite graphs for forbidden induced subgraphs

Noga Alon, Eldar Fischer, Ilan Newman

Research output: Contribution to journal › Article › peer-review

39 Scopus citations

Abstract

Alon et. al. [N. Alon, E. Fischer, M. Krivelevich, and M. Szegedy, Combinatorica, 20 (2000), pp. 451-476] showed that every property that is characterized by a finite collection of forbidden induced subgraphs is ε-testable. However, the complexity of the test is double-tower with respect to 1/ε, as the only tool known to construct such tests uses a variant of Szemerédi's regularity lemma. Here we show that any property of bipartite graphs that is characterized by a finite collection of forbidden induced subgraphs is ε-testable, with a number of queries that is polynomial in 1/ε. Our main tool is a new "conditional" version of the regularity lemma for binary matrices, which may be interesting on its own.

Original language	English (US)
Pages (from-to)	959-976
Number of pages	18
Journal	SIAM Journal on Computing
Volume	37
Issue number	3
DOIs	https://doi.org/10.1137/050627915
State	Published - 2007
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Computer Science
General Mathematics

Keywords

Approximation
Graph algorithms
Property testing
Regularity lemma

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10.1137/050627915

Cite this

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T1 - Efficient testing of bipartite graphs for forbidden induced subgraphs

AU - Alon, Noga

AU - Fischer, Eldar

AU - Newman, Ilan

PY - 2007

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AB - Alon et. al. [N. Alon, E. Fischer, M. Krivelevich, and M. Szegedy, Combinatorica, 20 (2000), pp. 451-476] showed that every property that is characterized by a finite collection of forbidden induced subgraphs is ε-testable. However, the complexity of the test is double-tower with respect to 1/ε, as the only tool known to construct such tests uses a variant of Szemerédi's regularity lemma. Here we show that any property of bipartite graphs that is characterized by a finite collection of forbidden induced subgraphs is ε-testable, with a number of queries that is polynomial in 1/ε. Our main tool is a new "conditional" version of the regularity lemma for binary matrices, which may be interesting on its own.

KW - Approximation

KW - Graph algorithms

KW - Property testing

KW - Regularity lemma

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Efficient testing of bipartite graphs for forbidden induced subgraphs

Abstract

All Science Journal Classification (ASJC) codes

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