112
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DMTCS
2008
15 years 1 months ago
2008
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...
112
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DM
2008
15 years 2 months ago
2008
A set partition is said to be (k, d)-noncrossing if it avoids the pattern 12