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    COMBINATORICS
    2002
    99views more  COMBINATORICS 2002»
    A Generalization of Simion-Schmidt's Bijection for Restricted Permutations
    15 years 5 months ago
    A Generalization of Simion-Schmidt's Bijection for Restricted Permutations
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    We consider the two permutation statistics which count the distinct pairs obtained from the final two terms of occurrences of patterns 1
    Astrid Reifegerste
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    COMBINATORICS
    2002
    89views more  COMBINATORICS 2002»
    A Concise Proof of the Littlewood-Richardson Rule
    15 years 5 months ago
    A Concise Proof of the Littlewood-Richardson Rule
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    We give a short proof of the Littlewood-Richardson rule using a sign-reversing involution.
    John R. Stembridge
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    COMBINATORICS
    1998
    63views more  COMBINATORICS 1998»
    On Kissing Numbers in Dimensions 32 to 128
    15 years 5 months ago
    On Kissing Numbers in Dimensions 32 to 128
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    An elementary construction using binary codes gives new record kissing numbers in dimensions from 32 to 128.
    Yves Edel, Eric M. Rains, Neil J. A. Sloane
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    COMBINATORICS
    1998
    88views more  COMBINATORICS 1998»
    A Bijective Proof of Garsia's q-Lagrange Inversion Theorem
    15 years 5 months ago
    A Bijective Proof of Garsia's q-Lagrange Inversion Theorem
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    A q-Lagrange inversion theorem due to A. M. Garsia is proved by means of two sign-reversing, weight-preserving involutions on Catalan trees.
    Dan W. Singer
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    COMBINATORICS
    1999
    98views more  COMBINATORICS 1999»
    On the Structure and Classification of SOMAs: Generalizations of Mutually Orthogonal Latin Squares
    15 years 5 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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