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math.RT2022
Specialization map for quiver Grassmannians
Giovanni Cerulli Irelli, Francesco Esposito, Xin Fang +1
We define a specialization map between cohomology algebras of quiver Grassmannians of Dynkin type and we prove that it is surjective in type A. This generalizes a result of Lanini…
math.RT2022★ 1 cited
PBW filtration and monomial bases for Demazure modules in types A and C
George Balla, Ghislain Fourier, Kunda Kambaso
We characterise the symplectic Weyl group elements such that the FFLV basis is compatible with the PBW filtration on symplectic Demazure modules, extending type A results by the se…