On the Whitney numbers of the second kind for the star poset

  • Authors:
  • Zhizhang Shen;Ke Qiu

  • Affiliations:
  • Department of Computer Science and Technology, Plymouth State University, Plymouth, NH 03264, USA;Department of Computer Science, Brock University, St. Catharines, Ontario L2S 3A1, Canada

  • Venue:
  • European Journal of Combinatorics
  • Year:
  • 2008

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Abstract

We provide a correct derivation of an explicit formula, based on a known generating function, to calculate the Whitney numbers of the second kind for the star poset.