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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.RT2024
A uniqueness property of Ï exceptional sequences
Eric J. Hanson, Hugh Thomas
Recently, Buan and Marsh showed that if two complete -exceptional sequences agree in all but at most one term, then they must agree everywhere, provided the algebra is -til…