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JCT
2008
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13 years 3 months ago
Counting descent pairs with prescribed tops and bottoms
Given sets X and Y of positive integers and a permutation = 12
John T. Hall, Jeffrey B. Remmel
COMBINATORICS
2006
116views more  COMBINATORICS 2006»
13 years 3 months ago
Classifying Descents According to Equivalence mod k
In [5] the authors refine the well-known permutation statistic "descent" by fixing parity of one of the descent's numbers. In this paper, we generalize the results o...
Sergey Kitaev, Jeffrey B. Remmel