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    JCT
    2008
    70views more  JCT 2008»
    Connectivity keeping edges in graphs with large minimum degree
    14 years 6 months ago
    Connectivity keeping edges in graphs with large minimum degree
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    The old well-known result of Chartrand, Kaugars and Lick [1] says that every k-connected graph G with minimum degree at least 3k/2 has a vertex v such that G - v is still k-connec...
    Shinya Fujita, Ken-ichi Kawarabayashi
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    JCT
    2008
    63views more  JCT 2008»
    On the chromatic number of an oriented matroid
    14 years 6 months ago
    On the chromatic number of an oriented matroid
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    Winfried Hochstättler, Robert Nickel
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    JCT
    2008
    86views more  JCT 2008»
    The maximum edit distance from hereditary graph properties
    14 years 6 months ago
    The maximum edit distance from hereditary graph properties
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    Noga Alon, Uri Stav
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    JCT
    2008
    65views more  JCT 2008»
    Random graphs on surfaces
    14 years 6 months ago
    Random graphs on surfaces
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    Counting labelled planar graphs, and typical properties of random labelled planar graphs, have received much attention recently. We start the process here of extending these invest...
    Colin McDiarmid
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    JCT
    2008
    109views more  JCT 2008»
    Spanning 3-colourable subgraphs of small bandwidth in dense graphs
    14 years 6 months ago
    Spanning 3-colourable subgraphs of small bandwidth in dense graphs
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    A conjecture by Bollob
    Julia Böttcher, Mathias Schacht, Anusch Taraz
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    JCT
    2008
    44views more  JCT 2008»
    No four subsets forming an N
    14 years 6 months ago
    No four subsets forming an N
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    Jerrold R. Griggs, Gyula O. H. Katona
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    JCT
    2008
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    Simple permutations and algebraic generating functions
    14 years 6 months ago
    Simple permutations and algebraic generating functions
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    Robert Brignall, Sophie Huczynska, Vincent Vatter
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    JCT
    2008
    59views more  JCT 2008»
    Partition identities and the coin exchange problem
    14 years 6 months ago
    Partition identities and the coin exchange problem
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    The number of partitions of n into parts divisible by a or b equals the number of partitions of n in which each part and each difference of two parts is expressible as a non-negati...
    Alexander E. Holroyd
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    JCT
    2008
    67views more  JCT 2008»
    On the number of directions determined by a pair of functions over a prime field
    14 years 6 months ago
    On the number of directions determined by a pair of functions over a prime field
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    A three-dimensional analogue of the classical direction problem is proposed and an asymptotically sharp bound for the number of directions determined by a nonplanar set in AG(3, p)...
    Simeon Ball, András Gács, Pét...
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    JCT
    2008
    64views more  JCT 2008»
    Alternating subgroups of Coxeter groups
    14 years 6 months ago
    Alternating subgroups of Coxeter groups
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    ing subgroups of Coxeter groups (Extended Abstract) Francesco Brenti, Victor Reiner, and Yuval Roichman Abstract. We explore combinatorial consequences of a simple presentation due...
    Francesco Brenti, Victor Reiner, Yuval Roichman
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