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    DMTCS
    2008
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    Counting Descents, Rises, and Levels, with Prescribed First Element, in Words
    13 years 9 months ago
    Counting Descents, Rises, and Levels, with Prescribed First Element, in Words
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    Recently, Kitaev and Remmel [8] refined the well-known permutation statistic "descent" by fixing parity of one of the descent's numbers. Results in [8] were extende...
    Sergey Kitaev, Toufik Mansour, Jeffrey B. Remmel
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    DM
    2008
    70views more  DM 2008»
    Enumeration of (k, 2)-noncrossing partitions
    13 years 11 months ago
    Enumeration of (k, 2)-noncrossing partitions
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    A set partition is said to be (k, d)-noncrossing if it avoids the pattern 12
    Toufik Mansour, Simone Severini
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