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    106
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    COMBINATORICS
    2002
    60views more  COMBINATORICS 2002»
    Parking Functions, Stack-Sortable Permutations, and Spaces of Paths in the Johnson Graph
    15 years 19 days ago
    Parking Functions, Stack-Sortable Permutations, and Spaces of Paths in the Johnson Graph
    Download  www.math.umb.edu
    We prove that the space of possible final configurations for a parking problem is parameterized by the vertices of a regular Bruhat graph associated to a 231-avoiding permutation,...
    Catalin Zara
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    94
    Voted
    COMBINATORICS
    2002
    81views more  COMBINATORICS 2002»
    A Generalisation of Transversals for Latin Squares
    15 years 19 days ago
    A Generalisation of Transversals for Latin Squares
    Download  www.combinatorics.org
    Ian M. Wanless
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    124
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    COMBINATORICS
    2002
    92views more  COMBINATORICS 2002»
    Pattern Avoidance in Permutations: Linear and Cyclic Orders
    15 years 19 days ago
    Pattern Avoidance in Permutations: Linear and Cyclic Orders
    Download  www.combinatorics.org
    : We generalize the notion of pattern avoidance to arbitrary functions on ordered sets, and consider specifically three scenarios for permutations: linear, cyclic and hybrid, the f...
    Antoine Vella
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    91
    Voted
    COMBINATORICS
    2002
    74views more  COMBINATORICS 2002»
    Permutations Avoiding Two Patterns of Length Three
    15 years 19 days ago
    Permutations Avoiding Two Patterns of Length Three
    Download  www.combinatorics.org
    Vincent R. Vatter
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    89
    Voted
    COMBINATORICS
    2002
    83views more  COMBINATORICS 2002»
    Irreducible Coverings by Cliques and Sperner's Theorem
    15 years 19 days ago
    Irreducible Coverings by Cliques and Sperner's Theorem
    Download  www.combinatorics.org
    Ioan Tomescu
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    90
    Voted
    COMBINATORICS
    2002
    73views more  COMBINATORICS 2002»
    A Note on Odd Cycle-Complete Graph Ramsey Numbers
    15 years 19 days ago
    A Note on Odd Cycle-Complete Graph Ramsey Numbers
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    Benny Sudakov
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    COMBINATORICS
    2002
    82views more  COMBINATORICS 2002»
    The Directed Anti-Oberwolfach Solution: Pancyclic 2-Factorizations of Complete Directed Graphs of Odd Order
    15 years 19 days ago
    The Directed Anti-Oberwolfach Solution: Pancyclic 2-Factorizations of Complete Directed Graphs of Odd Order
    Download  emis.kaist.ac.kr
    The directed anti-Oberwolfach problem asks for a 2-factorization (each factor has in-degree 1 and out-degree 1 for a total degree of two) of K2n+1, not with consistent cycle compo...
    Brett Stevens
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    100
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    COMBINATORICS
    2002
    89views more  COMBINATORICS 2002»
    A Concise Proof of the Littlewood-Richardson Rule
    15 years 19 days ago
    A Concise Proof of the Littlewood-Richardson Rule
    Download  www.combinatorics.org
    We give a short proof of the Littlewood-Richardson rule using a sign-reversing involution.
    John R. Stembridge
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    102
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    COMBINATORICS
    2002
    79views more  COMBINATORICS 2002»
    A 'Nice' Bijection for a Content Formula for Skew Semistandard Young Tableaux
    15 years 19 days ago
    A 'Nice' Bijection for a Content Formula for Skew Semistandard Young Tableaux
    Download  www.emis.de
    Based on Sch
    Martin Rubey
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    119
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    COMBINATORICS
    2002
    92views more  COMBINATORICS 2002»
    New Lower Bound Formulas for Multicolored Ramsey Numbers
    15 years 19 days ago
    New Lower Bound Formulas for Multicolored Ramsey Numbers
    Download  www.maths.tcd.ie
    We give two lower bound formulas for multicolored Ramsey numbers. These formulas improve the bounds for several small multicolored Ramsey numbers.
    Aaron Robertson
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