Proof of a conjecture of Ehrenborg and Steingrímsson on excedance statistic

  • Authors:

  • Yi Wang

  • Affiliations:

  • Department of Applied Mathematics, Dalian University of Technology, Dalian 116024, People's Republic of China

  • Venue:
  • European Journal of Combinatorics
  • Year:
  • 2002

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Abstract

We give an affirmative answer to a conjecture of Ehrenborg and Steingrímsson on the general log-concavity of the excedance statistic.