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Signed words and permutations, V; a

✍ Scribed by Dominique Foata; Guo-Niu Han


Publisher
Springer US
Year
2007
Tongue
English
Weight
477 KB
Volume
19
Category
Article
ISSN
1382-4090

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We define new Mahonian statistics, called MAD, MAK, and ENV, on words. Of these, ENV is shown to equal the classical INV, that is, the number of inversions, while for permutations MAK has been already defined by Foata and Zeilberger. It Ε½ . Ε½ . is shown that the triple statistics des, MAK, MAD and e