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    ECCC
    2011
    205views ECommerce» more  ECCC 2011»
    Graphs of Bounded Treewidth can be Canonized in AC1
    13 years 8 months ago
    Graphs of Bounded Treewidth can be Canonized in AC1
    Download  www.uni-ulm.de
    In recent results the complexity of isomorphism testing on graphs of bounded treewidth is improved to TC1 [GV06] and further to LogCFL [DTW10]. The computation of canonical forms ...
    Fabian Wagner
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    MFCS
    2009
    Springer
    140views Theoretical Computer Science» more  MFCS 2009»
    The Isomorphism Problem for k-Trees Is Complete for Logspace
    14 years 8 months ago
    The Isomorphism Problem for k-Trees Is Complete for Logspace
    Download  www.informatik.hu-berlin.de
    Abstract. We show that k-tree isomorphism can be decided in logarithmic space by giving a logspace canonical labeling algorithm. This improves over the previous StUL upper bound an...
    Johannes Köbler, Sebastian Kuhnert
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