3 papers
math.QA2025
Interpolating Feigin-Frenkel Duality at the Critical Level to Matrices of Complex Size
Andrew Riesen
In this paper, we extend Feigin-Frenkel duality at the critical level to complex rank by identifying two seemingly unrelated constructions in complex rank. On the affine side, we i…
math.QA2024
Orbifolds of Pointed Vertex Operator Algebras I
Terry Gannon, Andrew Riesen
By a pointed vertex operator algebra (VOA) we mean one whose modules are all simple currents (i.e. invertible), e.g. lattice VOAs. This paper systematically explores the interplay…
math.RT2023
Rational Schur Superalgebras
Andrew Riesen
We develop and study the generalization of rational Schur algebras to the super setting. Similar to the classical case, this provides a new method for studying rational supermodule…