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How to cut a graph into many pieces

  • G.R.J. Zwaan, van der
  • , A. Berger
  • , A. Grigoriev

    Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademicpeer review

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    Samenvatting

    In this paper we consider the problem of finding a graph separator of a given size that decomposes the graph into the maximum number of connected components. We present the picture of the computational complexity and the approximability of this problem for several natural classes of graphs. We first provide an overview of the hardness of approximation of this problem, which stems mainly from its close relation to the Independent Set and to the Maximum Clique problem. Next, we show that the problem is solvable in polynomial time for interval graphs and graphs of bounded treewidth. We also show that MaxiNum Components is fixed-parameter tractable on planar graphs with the size of the separator as the parameter. Our main contribution is the derivation of an efficient polynomial-time approximation scheme for the problem on planar graphs.
    Originele taal-2Engels
    TitelTheory and Applications of Models of Computation : 8th Annual Conference, TAMC 2011, Tokyo, Japan, May 23-25, 2011. Proceedings
    RedacteurenM. Ogihara, J. Tarui
    Plaats van productieBerlin
    UitgeverijSpringer
    Pagina's184-194
    ISBN van geprinte versie978-3-642-20876-8
    DOI's
    StatusGepubliceerd - 2011

    Publicatie series

    NaamLecture Notes in Computer Science
    Volume6648
    ISSN van geprinte versie0302-9743

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