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    COLOGNETWENTE
    2009
    125views Optimization» more  COLOGNETWENTE 2009»
    The Anonymous Subgraph Problem
    14 years 11 months ago
    The Anonymous Subgraph Problem
    Download  www.eis.mdx.ac.uk
    Andrea Bettinelli, Leo Liberti, Franco Raimondi, D...
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    COLOGNETWENTE
    2009
    107views Optimization» more  COLOGNETWENTE 2009»
    Integer Programming with 2-Variable Equations and 1-Variable Inequalities
    14 years 11 months ago
    Integer Programming with 2-Variable Equations and 1-Variable Inequalities
    Download  www.ida.liu.se
    We present an efficient algorithm to find an optimal integer solution of a given system of 2-variable equalities and 1-variable inequalities with respect to a given linear objectiv...
    Manuel Bodirsky, Gustav Nordh, Timo von Oertzen
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    COLOGNETWENTE
    2009
    97views Optimization» more  COLOGNETWENTE 2009»
    On Self-Duality of Branchwidth in Graphs of Bounded Genus
    14 years 11 months ago
    On Self-Duality of Branchwidth in Graphs of Bounded Genus
    Download  www.cs.technion.ac.il
    A graph parameter is self-dual in some class of graphs embeddable in some surface if its value does not change in the dual graph more than a constant factor. Self-duality has been...
    Ignasi Sau, Dimitrios M. Thilikos
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    97
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    COLOGNETWENTE
    2009
    165views Optimization» more  COLOGNETWENTE 2009»
    Colored Trees in Edge-Colored Graphs
    14 years 11 months ago
    Colored Trees in Edge-Colored Graphs
    Download  www.lri.fr
    We consider maximum properly edge-colored trees in edge-colored graphs Gc . We also consider the problem where, given a vertex r, determine whether the graph has a spanning tree r...
    A. Abouelaoualim, V. Borozan, Yannis Manoussakis, ...
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    83
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    COLOGNETWENTE
    2009
    123views Optimization» more  COLOGNETWENTE 2009»
    A Simple Linear-Time Recognition Algorithm for Weakly Quasi-Threshold Graphs
    14 years 11 months ago
    A Simple Linear-Time Recognition Algorithm for Weakly Quasi-Threshold Graphs
    Download  www.cs.uoi.gr
    : Weakly quasi-threshold graphs form a proper subclass of the well-known class of cographs by restricting the join operation. In this paper we characterize weakly quasi-threshold g...
    Stavros D. Nikolopoulos, Charis Papadopoulos
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