3 papers
math.RT2025
On the modular generalized Springer correspondence for disconnected groups
Kostas I. Psaromiligkos, Simon Riche
We study the construction of a modular generalized Springer correspondence for a possibly disconnected complex reductive algebraic group.
math.RT2024
Character sheaves in characteristic have nilpotent singular support
Kostas I. Psaromiligkos
We prove that character sheaves have nilpotent singular support in any characteristic, partially extending the work of Mirkovic, Vilonen and independently Ginzburg to positive char…
math.RT2024
The Lafforgue variety and irreducibility of induced representations
Kostas I. Psaromiligkos
We construct the Lafforgue variety, an affine scheme equipped with an open dense subscheme parametrizing the simple modules of a non-commutative unital algebra over any field $…