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  1. Home > Articles & Issues >
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  3. Coxeter-biCatalan co ...
Conference paper

Coxeter-biCatalan combinatorics

Emily Barnard (1), Nathan Reading ORCID (1)
(1) Department of mathematics [North Carolina]
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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.2519
License
Attribution 4.0 International (CC BY 4.0)
EMSW21-MCTP: Institute for Mathematics at North Carolina State University. (I'M at State)
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Coxeter-biCatalan combinatorics

Emily Barnard (1), Nathan Reading ORCID (1)
(1) Department of mathematics [North Carolina]
Abstract
English
We consider several counting problems related to Coxeter-Catalan combinatorics and conjecture that the problems all have the same answer, which we call the $W$ -biCatalan number. We prove the conjecture in many cases.
French
Nous considérons des problèmes énumératifs liés à la combinatoire de Coxeter-Catalan et conjecturons que tous les problèmes ont la même solution, que nous appelons le nombre $W$ -biCatalan. Nous prouvons la conjecture dans de nombreux cas.
Keywords
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • alternating arc diagram
  • doubled root poset
  • twin nonnesting partitions
  • twin sortable element
Cited by

Source: OpenCitations

  • Doppelgängers: Bijections of Plane Partitions

    International Mathematics Research Notices

    Authors : Zachary Hamaker, Rebecca Patrias, Oliver Pechenik, Nathan Williams

    Journal reference : Volume 2020, 2018, pp. 487-540

    DOI : 10.1093/imrn/rny018
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