Descent Numbers and Major Indices for the Hyperoctahedral Group
classification
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keywords
descentgrouphyperoctahedralmajoranswerscarlitzfoatageneralizations
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We introduce and study three new statistics on the hyperoctahedral group $B_{n}$, and show that they give two generalizations of Carlitz's identity for the descent number and major index over $S_{n}$. This answers a question posed by Foata.
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