Row-strict quasisymmetric Schur functions
International audience Haglund, Luoto, Mason, and van Willigenburg introduced a basis for quasisymmetric functions called the $\textit{quasisymmetric Schur function basis}$ which are generated combinatorially through fillings of composition diagrams in much the same way as Schur functions are genera...
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ftunivnantes:oai:HAL:hal-01215042v1 2023-05-15T16:52:01+02:00 Row-strict quasisymmetric Schur functions Mason, Sarah K Remmel, Jeffrey Department of Mathematics Wake Forest University Department of Mathematics Univ California San Diego (MATH - UC San Diego) University of California San Diego (UC San Diego) University of California (UC)-University of California (UC) Bousquet-Mélou Mireille and Wachs Michelle and Hultman Axel Reykjavik, Iceland 2011 https://hal.inria.fr/hal-01215042 https://hal.inria.fr/hal-01215042/document https://hal.inria.fr/hal-01215042/file/dmAO0158.pdf https://doi.org/10.46298/dmtcs.2942 en eng HAL CCSD Discrete Mathematics and Theoretical Computer Science DMTCS info:eu-repo/semantics/altIdentifier/doi/10.46298/dmtcs.2942 hal-01215042 https://hal.inria.fr/hal-01215042 https://hal.inria.fr/hal-01215042/document https://hal.inria.fr/hal-01215042/file/dmAO0158.pdf doi:10.46298/dmtcs.2942 info:eu-repo/semantics/OpenAccess ISSN: 1462-7264 EISSN: 1365-8050 Discrete Mathematics and Theoretical Computer Science 23rd International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2011) https://hal.inria.fr/hal-01215042 23rd International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2011), 2011, Reykjavik, Iceland. pp.657-668, ⟨10.46298/dmtcs.2942⟩ symmetric and quasisymmetric functions omega operator Schur functions [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO] [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM] info:eu-repo/semantics/conferenceObject Conference papers 2011 ftunivnantes https://doi.org/10.46298/dmtcs.2942 2022-12-07T02:36:11Z International audience Haglund, Luoto, Mason, and van Willigenburg introduced a basis for quasisymmetric functions called the $\textit{quasisymmetric Schur function basis}$ which are generated combinatorially through fillings of composition diagrams in much the same way as Schur functions are generated through reverse column-strict tableaux. We introduce a new basis for quasisymmetric functions called the $\textit{row-strict quasisymmetric Schur function basis}$ which are generated combinatorially through fillings of composition diagrams in much the same way as Schur functions are generated through row-strict tableaux. We describe the relationship between this new basis and other known bases for quasisymmetric functions, as well as its relationship to Schur polynomials. We obtain a refinement of the omega transform operator as a result of these relationships. Haglund, Luoto, Mason, et van Willigenburg ont introduit une base pour les fonctions quasi-symétriques appelée $\textit{base des fonctions de Schur quasi-symétriques}$, qui sont construites en remplissant des diagrammes de compositions, d'une manière très semblable à la construction des fonctions de Schur à partir des tableaux "column-strict'' (ordre strict sur les colonnes). Nous introduisons une nouvelle base pour les fonctions quasi-symétriques appelée $\textit{base des fonctions de Schur quasi-symétriques "row-strict''}$, qui sont construites en remplissant des diagrammes de compositions, d'une manière très semblable à la construction des fonctions de Schur à partir des tableaux "row-strict'' (ordre strict sur les lignes). Nous décrivons la relation entre cette nouvelle base et d'autres bases connues pour les fonctions quasi-symétriques, ainsi que ses relations avec les polynômes de Schur. Nous obtenons un raffinement de l'opérateur oméga comme conséquence de ces relations. Conference Object Iceland Université de Nantes: HAL-UNIV-NANTES Haglund ENVELOPE(12.180,12.180,65.320,65.320) Discrete Mathematics & Theoretical Computer Science DMTCS Proceeding Proceedings |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
symmetric and quasisymmetric functions omega operator Schur functions [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO] [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM] |
spellingShingle |
symmetric and quasisymmetric functions omega operator Schur functions [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO] [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM] Mason, Sarah K Remmel, Jeffrey Row-strict quasisymmetric Schur functions |
topic_facet |
symmetric and quasisymmetric functions omega operator Schur functions [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO] [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM] |
description |
International audience Haglund, Luoto, Mason, and van Willigenburg introduced a basis for quasisymmetric functions called the $\textit{quasisymmetric Schur function basis}$ which are generated combinatorially through fillings of composition diagrams in much the same way as Schur functions are generated through reverse column-strict tableaux. We introduce a new basis for quasisymmetric functions called the $\textit{row-strict quasisymmetric Schur function basis}$ which are generated combinatorially through fillings of composition diagrams in much the same way as Schur functions are generated through row-strict tableaux. We describe the relationship between this new basis and other known bases for quasisymmetric functions, as well as its relationship to Schur polynomials. We obtain a refinement of the omega transform operator as a result of these relationships. Haglund, Luoto, Mason, et van Willigenburg ont introduit une base pour les fonctions quasi-symétriques appelée $\textit{base des fonctions de Schur quasi-symétriques}$, qui sont construites en remplissant des diagrammes de compositions, d'une manière très semblable à la construction des fonctions de Schur à partir des tableaux "column-strict'' (ordre strict sur les colonnes). Nous introduisons une nouvelle base pour les fonctions quasi-symétriques appelée $\textit{base des fonctions de Schur quasi-symétriques "row-strict''}$, qui sont construites en remplissant des diagrammes de compositions, d'une manière très semblable à la construction des fonctions de Schur à partir des tableaux "row-strict'' (ordre strict sur les lignes). Nous décrivons la relation entre cette nouvelle base et d'autres bases connues pour les fonctions quasi-symétriques, ainsi que ses relations avec les polynômes de Schur. Nous obtenons un raffinement de l'opérateur oméga comme conséquence de ces relations. |
author2 |
Department of Mathematics Wake Forest University Department of Mathematics Univ California San Diego (MATH - UC San Diego) University of California San Diego (UC San Diego) University of California (UC)-University of California (UC) Bousquet-Mélou Mireille and Wachs Michelle and Hultman Axel |
format |
Conference Object |
author |
Mason, Sarah K Remmel, Jeffrey |
author_facet |
Mason, Sarah K Remmel, Jeffrey |
author_sort |
Mason, Sarah K |
title |
Row-strict quasisymmetric Schur functions |
title_short |
Row-strict quasisymmetric Schur functions |
title_full |
Row-strict quasisymmetric Schur functions |
title_fullStr |
Row-strict quasisymmetric Schur functions |
title_full_unstemmed |
Row-strict quasisymmetric Schur functions |
title_sort |
row-strict quasisymmetric schur functions |
publisher |
HAL CCSD |
publishDate |
2011 |
url |
https://hal.inria.fr/hal-01215042 https://hal.inria.fr/hal-01215042/document https://hal.inria.fr/hal-01215042/file/dmAO0158.pdf https://doi.org/10.46298/dmtcs.2942 |
op_coverage |
Reykjavik, Iceland |
long_lat |
ENVELOPE(12.180,12.180,65.320,65.320) |
geographic |
Haglund |
geographic_facet |
Haglund |
genre |
Iceland |
genre_facet |
Iceland |
op_source |
ISSN: 1462-7264 EISSN: 1365-8050 Discrete Mathematics and Theoretical Computer Science 23rd International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2011) https://hal.inria.fr/hal-01215042 23rd International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2011), 2011, Reykjavik, Iceland. pp.657-668, ⟨10.46298/dmtcs.2942⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.46298/dmtcs.2942 hal-01215042 https://hal.inria.fr/hal-01215042 https://hal.inria.fr/hal-01215042/document https://hal.inria.fr/hal-01215042/file/dmAO0158.pdf doi:10.46298/dmtcs.2942 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.46298/dmtcs.2942 |
container_title |
Discrete Mathematics & Theoretical Computer Science |
container_volume |
DMTCS Proceeding |
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Proceedings |
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1766042153610379264 |