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A sublinear tester for outerplanarity (and other forbidden minors) with one-sided error
Published in Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing
2018
Volume: 107
   
Abstract
We consider one-sided error property testing of F-minor freeness in bounded-degree graphs for any finite family of graphs F that contains a minor of K 2 ,k, the k-circus graph, or the (k × 2)-grid for any k ∈ N. This includes, for instance, testing whether a graph is outerplanar or a cactus graph. The query complexity of our algorithm in terms of the number of vertices in the graph, n, is O(n 2 / 3 / 5 ). Czumaj et al. (2014) showed that cycle-freeness and C k -minor freeness can be tested with query complexity O(n) by using random walks, and that testing H-minor freeness for any H that contains a cycles requires (n) queries. In contrast to these results, we analyze the structure of the graph and show that either we can find a subgraph of sublinear size that includes the forbidden minor H, or we can find a pair of disjoint subsets of vertices whose edge-cut is large, which induces an H-minor. © Hendrik Fichtenberger, Reut Levi, Yadu Vasudev, and Maximilian Wötzel;.
About the journal
JournalLeibniz International Proceedings in Informatics, LIPIcs
PublisherSchloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing
ISSN18688969
Open AccessNo
Concepts (11)
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    AUTOMATA THEORY
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    Computational complexity
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    BOUNDED DEGREE GRAPHS
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    CACTUS GRAPHS
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    DISJOINT SUBSETS
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    ERROR PROPERTIES
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    FREE GRAPHS
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    GRAPH PROPERTY TESTING
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    OUTERPLANARITY
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    Query complexity
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    Graph theory