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Three-coloring triangle-free graphs on surfaces I. Extending a coloring to a disk with one triangle

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F16%3A10329888" target="_blank" >RIV/00216208:11320/16:10329888 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.jctb.2016.04.003" target="_blank" >http://dx.doi.org/10.1016/j.jctb.2016.04.003</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.jctb.2016.04.003" target="_blank" >10.1016/j.jctb.2016.04.003</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Three-coloring triangle-free graphs on surfaces I. Extending a coloring to a disk with one triangle

  • Original language description

    Let G be a plane graph with exactly one triangle T and all other cycles of length at least 5, and let C be a facial cycle of G of length at most six. We prove that a 3-coloring of C does not extend to a 3-coloring of G if and only if C has length exactly six and there is a color x such that either G has an edge joining two vertices of C colored x, or T is disjoint from C and every vertex of T is adjacent to a vertex of C colored x. This is a lemma to be used in a future paper of this series.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BA - General mathematics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GBP202%2F12%2FG061" target="_blank" >GBP202/12/G061: Center of excellence - Institute for theoretical computer science (CE-ITI)</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Combinatorial Theory. Series B

  • ISSN

    0095-8956

  • e-ISSN

  • Volume of the periodical

    120

  • Issue of the periodical within the volume

    září

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    17

  • Pages from-to

    1-17

  • UT code for WoS article

    000377833100001

  • EID of the result in the Scopus database

    2-s2.0-84969504848