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  1. Home > Articles & Issues >
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  3. Some combinatorial i ...
Conference paper

Some combinatorial identities involving noncommuting variables

Michael Schlosser ORCID (1), Meesue Yoo (1)
(1) Fakultät für Mathematik [Wien]
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Imported on
November 21, 2016
Published on
December 31, 2014
Last modified on
March 31, 2025
Volume
DMTCS Proceedings, 27th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2015)
Proceedings
DOI
10.46298/dmtcs.2467
License
Attribution 4.0 International (CC BY 4.0)
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Some combinatorial identities involving noncommuting variables

Michael Schlosser ORCID (1), Meesue Yoo (1)
(1) Fakultät für Mathematik [Wien]
Abstract
English
We derive combinatorial identities for variables satisfying specific sets of commutation relations. The identities thus obtained extend corresponding ones for $q$-commuting variables $x$ and $y$ satisfying $yx=qxy$. In particular, we obtain weight-dependent binomial theorems, functional equations for generalized exponential functions, we propose a derivative of noncommuting variables, and finally utilize one of the considered weight functions to extend rook theory. This leads us to an extension of the $q$-Stirling numbers of the second kind, and of the $q$-Lah numbers.
French
Nous obtenons des identités combinatoires pour des variables satisfaisant des ensembles spécifiques de relations de commutation. Ces identités ainsi obtenues généralisent leurs analogues pour des variables $q$-commutantes $x$ et $y$ satisfaisant $yx=qxy$. En particulier, nous obtenons des théorèmes binomiaux dépendant du poids, des équations fonctionnelles pour les fonctions exponentielles généralisées, nous proposons une dérivée des variables non-commutatives, et finalement nous utilisons l’une des fonctions de poids considérées pour étendre la théorie des tours. Nous en déduisons une généralisation des $q$-nombres de Stirling de seconde espèce et des $q$-nombres de Lah.
Keywords
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • noncommuting variables
  • weight dependent binomial theorem
  • combinatorial identities
Cited by

Source: OpenCitations

  • A weighted extension of Fibonacci numbers

    The Journal of Difference Equations and Applications

    Authors : Gaurav Bhatnagar ORCID, Archna Kumari, Michael J. Schlosser ORCID

    Journal reference : Volume 29, 2023, pp. 733-747

    DOI : 10.1080/10236198.2023.2251594
  • Weight-dependent commutation relations and combinatorial identities

    arXiv (Cornell University)

    Authors : Michael J. Schlosser ORCID, Meesue Yoo

    Journal reference : Volume 341, 2018, pp. 2308-2325

    DOI : 10.1016/j.disc.2018.05.007
  • An esoteric identity with many parameters and other elliptic extensions of elementary identities

    New Zealand journal of mathematics

    Authors : Gaurav Bhatnagar ORCID, Archna Kumari, Michael Schlosser ORCID

    Journal reference : Volume 56, 2025, pp. 15-32

    DOI : 10.53733/436
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