Proof of conjecture of Ehrenborg and Steingrímsson on excedance statistic (Q1612764)
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scientific article; zbMATH DE number 1795953
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Proof of conjecture of Ehrenborg and Steingrímsson on excedance statistic |
scientific article; zbMATH DE number 1795953 |
Statements
Proof of conjecture of Ehrenborg and Steingrímsson on excedance statistic (English)
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6 May 2003
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This paper contains the proof of a conjecture of Ehrenborg and Steingrímsson, concerning inequalities for the numbers of permutations with prescribed excedance words. These inequalities may be viewed as general log-concavity properties of the excedance statistic.
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