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math.CO2024
Fundamental quasisymmetric functions in superspace
Susanna Fishel, Jessica Gatica, Luc Lapointe +1
The fundamental quasisymmetric functions in superspace are a generalization of the fundamental quasisymmetric functions involving anticommuting variables. We obtain the action of t…
math.CO2024
Maximal chains in lattices from graph associahedra: Tamari to the weak order
Samantha Dahlberg, Susanna Fishel
In this paper, we study the maximal chains of lattices which generalizes both the weak order and the Tamari lattice: certain lattices of maximal tubings. A maximal tubing poset $\m…