Abstract:Permutation statistics wm and rlm are both arising from permutation tableaux. wm was introduced by Chen and Zhou, which was proved equally distributed with the number of unrestricted rows of a permutation tableau. While rlm is shown by Nadeau equally distributed with the number of 1's in the first row of a permutation tableau.In this paper, we investigate the joint distribution of wm and rlm. Statistic (rlm, wm, rlmin, des, (321)) is shown equally distributed with (rlm, rlmin, wm, des, (321)) on S n . Then the… Show more
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