منابع مشابه
Dumont's Statistic on Words
We define Dumont’s statistic on the symmetric group Sn to be the function dmc: Sn → N which maps a permutation σ to the number of distinct nonzero letters in code(σ). Dumont showed that this statistic is Eulerian. Naturally extending Dumont’s statistic to the rearrangement classes of arbitrary words, we create a generalized statistic which is again Eulerian. As a consequence, we show that for e...
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ژورنال
عنوان ژورنال: Advances in Applied Mathematics
سال: 2019
ISSN: 0196-8858
DOI: 10.1016/j.aam.2019.02.005