4 papers
math.RT2025
Generalized permutation matrices and non-weight modules over
Ivan Dimitrov, Khoa Nguyen, Charles Paquette +1
We study the category of -modules of rank in each parity (rank $(k…
math.RT2024
Galois Coverings, -Rigidity and Mutations
Charles Paquette, Deepanshu Prasad, David Wehlau
For an algebraically closed field , we consider a Galois -covering between locally bounded -categories given by bound quive…
math.GR2023
Idempotents in the group algebra of the infinite dihedral group
Ivan Dimitrov, Charles Paquette, David Wehlau +1
We prove that over an algebraically closed field of characteristic different from , the group algebra of the infinite dihedral group $D_\inf…
math.CO2023
Inversion Sets and Quotient Root Systems
Ivan Dimitrov, Cole Gigliotti, Etan Ossip +2
The main result of this paper is a recursive description of all decompositions \[ Δ^+ = Φ_1 \sqcup Φ_2 \sqcup \dots \sqcup Φ_k \] of the positive roots of an arbitrary root s…