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math.AG2024
On a conjecture on aCM and Ulrich sheaves on degeneracy loci
Vladimiro Benedetti, Fabio Tanturri
In this paper we address a conjecture by Kleppe and Miró-Roig stating that suitable twists by line bundles (on the smooth locus) of the exterior powers of the normal sheaf of a sta…
math.AG2024
Quantum K-theory of IG(2, 2n)
Vladimiro Benedetti, Nicolas Perrin, Weihong Xu
We prove that the Schubert structure constants of the quantum K-theory rings of symplectic Grassmannians of lines have signs that alternate with codimension and vanish for degrees…