A. Lopez

collaborators

2 papers

math.AG2026

A remark by Daniel Ferrand on bundles on Fano threefolds

Gianfranco Casnati, Angelo Felice Lopez

Let $X$ be a Fano threefold with index $i_{X}$ and fundamental line bundle $O_{X} (h)$ . We classify $I^¼$ -semistable rank two bundles $E$ on $X$ with $c_1(\mathcal E)=0…

math.AG2025

On the classification of non-big Ulrich vector bundles on fourfolds

We give an almost complete classification of non-big Ulrich vector bundles on fourfolds. This allows to classify them in the case of Picard rank one fourfolds, of Mukai fourfolds a…