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math.RA2024
Topological Koszulity for Category Algebras
David Favero, Pouya Layeghi
We give a topological description of Ext groups between simple representations of categories via a nerve type construction. We use it to show that the Koszulity of indiscretely bas…
math.AG2024
Line Bundle Resolutions via the Coherent-Constructible Correspondence
David Favero, Mykola Sapronov
We consider a finite collection of line bundles introduced by Bondal on a smooth, projective toric variety . For any coherent sheaf on , we construct minimal resoluti…