2 papers
math.RT2026
Lattice structure of Weyl groups via representation theory of preprojective algebras
Osamu Iyama, Nathan Reading, Idun Reiten +1
This paper studies the combinatorics of lattice congruences of the weak order on a finite Weyl group , using representation theory of the corresponding preprojective algebra $Î…
math.CO2025
q-Whittaker functions, finite fields, and Jordan forms
Steven N. Karp, Hugh Thomas
The -Whittaker function associated to a partition is a -analogue of the Schur function , and is defined as the specialization o…