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    COMBINATORICS
    1999
    100views more  COMBINATORICS 1999»
    Positivity for special cases of (q, t)-Kostka coefficients and standard tableaux statistics
    14 years 6 months ago
    Positivity for special cases of (q, t)-Kostka coefficients and standard tableaux statistics
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    We present two symmetric function operators Hqt 3 and Hqt 4 that have the property Hqt mH(2a1b)(X; q, t) = H(m2a1b)(X; q, t). These operators are generalizations of the analogous ...
    Mike Zabrocki
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    COMBINATORICS
    1999
    70views more  COMBINATORICS 1999»
    Perfect Factorisations of Bipartite Graphs and Latin Squares Without Proper Subrectangles
    14 years 6 months ago
    Perfect Factorisations of Bipartite Graphs and Latin Squares Without Proper Subrectangles
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    Ian M. Wanless
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    COMBINATORICS
    1999
    75views more  COMBINATORICS 1999»
    Stability of Kronecker Products of Irreducible Characters of the Symmetric Group
    14 years 6 months ago
    Stability of Kronecker Products of Irreducible Characters of the Symmetric Group
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    F. Murnaghan observed a long time ago that the computation of the decompositon of the Kronecker product (n-a,2,... ) (n-b,
    Ernesto Vallejo
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    COMBINATORICS
    1999
    77views more  COMBINATORICS 1999»
    A Multiple Integral Evaluation Inspired by the Multi-WZ Method
    14 years 6 months ago
    A Multiple Integral Evaluation Inspired by the Multi-WZ Method
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    We give an integral identity which was conjectured and proved by using the continuous version of the multi-WZ method. Submitted: May 25, 1999; Accepted: October 20, 1999. Mathemat...
    Akalu Tefera
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    COMBINATORICS
    1999
    98views more  COMBINATORICS 1999»
    On the Structure and Classification of SOMAs: Generalizations of Mutually Orthogonal Latin Squares
    14 years 6 months ago
    On the Structure and Classification of SOMAs: Generalizations of Mutually Orthogonal Latin Squares
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    Let k 0 and n 2 be integers. A SOMA, or more specifically a SOMA(k, n), is an n
    Leonard H. Soicher
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    COMBINATORICS
    1999
    77views more  COMBINATORICS 1999»
    Improved LP Lower Bounds for Difference Triangle Sets
    14 years 6 months ago
    Improved LP Lower Bounds for Difference Triangle Sets
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    James B. Shearer
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    COMBINATORICS
    1999
    85views more  COMBINATORICS 1999»
    On a Conjecture Concerning Dyadic Oriented Matroids
    14 years 6 months ago
    On a Conjecture Concerning Dyadic Oriented Matroids
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    A rational matrix is totally dyadic if all of its nonzero subdeterminants are in {
    Matt Scobee
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    COMBINATORICS
    1999
    85views more  COMBINATORICS 1999»
    Permutation Patterns and Continued Fractions
    14 years 6 months ago
    Permutation Patterns and Continued Fractions
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    We find, in the form of a continued fraction, the generating function for the number of (132)-avoiding permutations that have a given number of (123) patterns, and show how to ext...
    Aaron Robertson, Herbert S. Wilf, Doron Zeilberger
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    COMBINATORICS
    1999
    83views more  COMBINATORICS 1999»
    New Lower Bounds for Some Multicolored Ramsey Numbers
    14 years 6 months ago
    New Lower Bounds for Some Multicolored Ramsey Numbers
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    In this article we use two different methods to find new lower bounds for some multicolored Ramsey numbers. In the first part we use the finite field method used by Greenwood and ...
    Aaron Robertson
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    COMBINATORICS
    1999
    92views more  COMBINATORICS 1999»
    Nim-Regularity of Graphs
    14 years 6 months ago
    Nim-Regularity of Graphs
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    Abstract. Ehrenborg and Steingr
    Nathan Reading
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