Papers and preprints
Papers and preprints
Extremality in semidistributive lattices. https://arxiv.org/abs/2511.18540
Rowmotion and Echelonmotion. (with C. Defant, Y. Jiang, R. Marczinzik, D. Speyer, H. Thomas, N. Williams) https://arxiv.org/abs/2507.18230 (extended abstract accepted at FPSAC 2026 as a talk)
Dimension of unicycle posets. (with A. Abram) https://arxiv.org/abs/2505.16837
(P,phi)-Tamari lattices. https://arxiv.org/abs/2510.06088 (extended abstract accepted at FPSAC 2025 as a talk)
The free and parking quasi-symmetrizing actions. https://arxiv.org/abs/2502.07926
Proof of a conjecture of Matherne, Morales, and Selover on encodings of unit interval orders. (with F. Gélinas and H. Thomas) arxiv.org/abs/2212.12171 (Accepted in The Electronic Journal of Combinatorics)
Research talks
February, 2026. Waterloo Combinatorics Seminar (Canada). Dimension of semidistributive extremal lattices.
Fabruary, 2026. Séminaire du LACIM, Montréal. La dimension des treillis semi-distributifs extrémaux.
July, 2025. FPSAC 2025 at Sapporo (Japan). (P,phi)-Tamari lattices.
December, 2024. Applied algebraic seminar at York (Canada). The free and parking quasi-symmetrizing actions.
September, 2024. Séminaire lotharingien de combinatoire at Strobl (Austria). (P,phi)-Tamari.
April, 2024. Maurice Auslander distinguished lectures at Falmouth (US). Combinatorics of the lattice of d-torsion classes of the higher Auslander algebras of type A.
December, 2023. Groupe de travail de l'équipe de combinatoire algébrique, LIGM, France. Le treillis des d-classes de torsions de l'agèbre d'Auslander supérieure de type A.
June, 2023. Séminaire du LACIM, Montréal. The free and parking quasi-symmetrizing actions.
September, 2022. Groupe de travail de l'équipe de combinatoire algébrique, LIGM, France. Preuve d'une conjecture sur les (3+1) et (2+2) poset libres et d'une autre sur le plethysm de fonctions de Schur. [working group]
May, 2022. Colloque panquébécois de l'ISM, Université de Laval, Québec, Canada. Combinatoire algébrique: fonctions de parking, algèbres de Hopf combinatoires. [conference with math's students of Québec]
November, 2021. Groupe de travail de l'équipe de combinatoire algébrique, LIGM, France. The parking quasi-symmetrizing actions. [working group]
October, 2020. Groupe de travail de l'équipe de combinatoire algébrique, LIGM, France. Dissections de polygones et compatibilités. [working group]
Posters
January, 2024. Banff workshop on lattice theory & CAAC in Toronto. (P,phi)-Tamari lattices. [pdf ]
January, 2023. Poster presented by my coauthor Félix Gélinas at CAAC in Waterloo (Canada). Proof of a conjecture of Matherne, Morales, and Selover on encodings of unit interval orders.
June, 2022. AlCoVE: an Algebraic Combinatorics Virtual Expedition . Parking quasi-symmetrizing actions. [pdf ]