Abstract
In this paper, we show that the r-Stirling numbers of both kinds, the r-Whitney numbers of both kinds, the r-Lah numbers and the r-Whitney-Lah numbers form particular cases of a family of polynomials forming a generalization of the partial Bell polynomials. We deduce the generating functions of several restrictions of these numbers. In addition, a new combinatorial interpretations is presented for the r-Whitney numbers and the r-Whitney-Lah numbers.
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We are very grateful to the referees for pointing out some errors in the previous version, as well as their help in the revision of this manuscript.
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Mihoubi, M., Rahmani, M. The partial r-Bell polynomials. Afr. Mat. 28, 1167–1183 (2017). https://doi.org/10.1007/s13370-017-0510-z
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DOI: https://doi.org/10.1007/s13370-017-0510-z
Keywords
- The partial Bell and r-Bell polynomials
- Recurrence relations
- Stirling numbers
- Whitney numbers
- Probabilistic interpretation