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math.RT2024
Diagram categories of Brauer type
Sigiswald Barbier
This paper introduces monoidal (super)categories resembling the Brauer category. For all categories, we can construct bases of the hom-spaces using Brauer diagrams. These categorie…
math.RT2023
A general approach to constructing minimal representations of Lie supergroups
Sigiswald Barbier, Sam Claerebout
In this paper we describe an approach to generalise minimal representations to the super setting for Lie superalgebras obtained from Jordan superalgebras using the TKK construction…
math.RT2023
A superunitary Fock model of the exceptional Lie supergroup
Sigiswald Barbier, Sam Claerebout
We construct a Fock model of the minimal representation of the exceptional Lie supergroup . Explicit expressions for the action are given by integrating to grou…