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Anagram-free chromatic number is not pathwidth-bounded

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    1 Scopus citations

    Abstract

    The anagram-free chromatic number is a new graph parameter introduced independently by Kamčev, Łuczak, and Sudakov [1] and Wilson and Wood [5]. In this note, we show that there are planar graphs of pathwidth 3 with arbitrarily large anagram-free chromatic number. More specifically, we describe 2n-vertex planar graphs of pathwidth 3 with anagram-free chromatic number Ω(log n). We also describe kn vertex graphs with pathwidth 2 k- 1 having anagram-free chromatic number in Ω(klog n).

    Original languageEnglish
    Title of host publicationGraph-Theoretic Concepts in Computer Science - 44th International Workshop, WG 2018, Proceedings
    EditorsAndreas Brandstädt, Ekkehard Köhler, Klaus Meer
    PublisherSpringer Verlag
    Pages91-99
    Number of pages9
    ISBN (Print)9783030002558
    DOIs
    StatePublished - 1 Jan 2018
    Event44th International Workshop on Graph-Theoretic Concepts in Computer Science, WG 2018 - Cottbus, Germany
    Duration: 27 Jun 201829 Jun 2018

    Publication series

    NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
    Volume11159 LNCS
    ISSN (Print)0302-9743
    ISSN (Electronic)1611-3349

    Conference

    Conference44th International Workshop on Graph-Theoretic Concepts in Computer Science, WG 2018
    Country/TerritoryGermany
    CityCottbus
    Period27/06/1829/06/18

    ASJC Scopus subject areas

    • Theoretical Computer Science
    • General Computer Science

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