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    DM
    2010
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    On the topological lower bound for the multichromatic number
    13 years 10 months ago
    On the topological lower bound for the multichromatic number
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    Péter Csorba, József Osztényi
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    DM
    2008
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    Characterizations of postman sets
    13 years 11 months ago
    Characterizations of postman sets
    Download  www.santafe-conicet.gov.ar
    Using results by McKee and Woodall on binary matroids, we prove that the set of postman sets has odd cardinality, generalizing a result by Toida on the cardinality of cycles in Eu...
    Néstor E. Aguilera, Valeria A. Leoni
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    DM
    2008
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    On s-hamiltonian-connected line graphs
    13 years 11 months ago
    On s-hamiltonian-connected line graphs
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    A graph G is hamiltonian-connected if any two of its vertices are connected by a Hamilton path (a path including every vertex of G); and G is s-hamiltonian-connected if the deleti...
    Hong-Jian Lai, Yanting Liang, Yehong Shao
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    DM
    2008
    82views more  DM 2008»
    The distribution of the domination number of class cover catch digraphs for non-uniform one-dimensional data
    13 years 11 months ago
    The distribution of the domination number of class cover catch digraphs for non-uniform one-dimensional data
    Download  portal.ku.edu.tr
    For two or more classes of points in Rd with d 1, the class cover catch digraphs (CCCDs) can be constructed using the relative positions of the points from one class with respect...
    Elvan Ceyhan
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    DM
    2008
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    Multicoloring and Mycielski construction
    13 years 11 months ago
    Multicoloring and Mycielski construction
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    Wensong Lin
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    DM
    2008
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    Chromatic coloring with a maximum color class
    13 years 11 months ago
    Chromatic coloring with a maximum color class
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    Bor-Liang Chen, Kuo-Ching Huang, Chih-Hung Yen
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    DM
    2008
    72views more  DM 2008»
    Paired bondage in trees
    13 years 11 months ago
    Paired bondage in trees
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    Joanna Raczek
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    DM
    2008
    116views more  DM 2008»
    Breaking the rhythm on graphs
    13 years 11 months ago
    Breaking the rhythm on graphs
    Download  www.cs.tau.ac.il
    We study graph colorings avoiding periodic sequences with large number of blocks on paths. The main problem is to decide, for a given class of graphs F, if there are absolute const...
    Noga Alon, Jaroslaw Grytczuk
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    DM
    2008
    82views more  DM 2008»
    Product action
    13 years 11 months ago
    Product action
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    This paper studies the cycle indices of products of permutation groups. The main focus is on the product action of the direct product of permutation groups. The number of orbits o...
    Peter J. Cameron, Daniele A. Gewurz, Francesca Mer...
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    DM
    2008
    65views more  DM 2008»
    Gaps in semigroups
    13 years 11 months ago
    Gaps in semigroups
    Download  www.math.univ-montp2.fr
    Jorge L. Ramírez Alfonsín
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