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    COMBINATORICS
    2000
    85views more  COMBINATORICS 2000»
    Parity Systems and the Delta-Matroid Intersection Problem
    14 years 6 months ago
    Parity Systems and the Delta-Matroid Intersection Problem
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    We consider the problem of determining when two delta-matroids on the same ground-set have a common base. Our approach is to adapt the theory of matchings in 2-polymatroids develo...
    André Bouchet, Bill Jackson
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    COMBINATORICS
    2000
    142views more  COMBINATORICS 2000»
    Harmonic Functions on Multiplicative Graphs and Interpolation Polynomials
    14 years 6 months ago
    Harmonic Functions on Multiplicative Graphs and Interpolation Polynomials
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    We construct examples of nonnegative harmonic functions on certain graded graphs: the Young lattice and its generalizations. Such functions first emerged in harmonic analysis on th...
    Alexei Borodin, Grigori Olshanski
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    COMBINATORICS
    2000
    58views more  COMBINATORICS 2000»
    Constrained Graph Processes
    14 years 6 months ago
    Constrained Graph Processes
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    Béla Bollobás, Oliver Riordan
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    COMBINATORICS
    2000
    95views more  COMBINATORICS 2000»
    Improving Dense Packings of Equal Disks in a Square
    14 years 6 months ago
    Improving Dense Packings of Equal Disks in a Square
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    We describe a new numerical procedure for generating dense packings of disks and spheres inside various geometric shapes. We believe that in some of the smaller cases, these packi...
    David W. Boll, Jerry Donovan, Ronald L. Graham, Bo...
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    COMBINATORICS
    2000
    88views more  COMBINATORICS 2000»
    Note on Sparse Random Graphs and Cover Graphs
    14 years 6 months ago
    Note on Sparse Random Graphs and Cover Graphs
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    It is shown in this note that with high probability it is enough to destroy all triangles in order to get a cover graph from a random graph Gn,p with p log n/n for any constant ...
    Tom Bohman, Alan M. Frieze, Miklós Ruszink&...
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    COMBINATORICS
    2000
    62views more  COMBINATORICS 2000»
    Min-Wise Independent Linear Permutations
    14 years 6 months ago
    Min-Wise Independent Linear Permutations
    Download  www.math.cmu.edu
    Tom Bohman, Colin Cooper, Alan M. Frieze
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