2 papers
math.AG2026
Stratification of moduli spaces of instantons on the Segre product of three lines via 't Hooft bundles
Vincenzo Antonelli, Francesco Malaspina
Let be the Segre product of three projective lines. For a fixed effective divisor on , we introduce the notions of -'t Hooft, -special and -sectional sp…
math.AG2025
Ulrich Bundles on decomposable threefold scrolls over
Maria Lucia Fania, Flaminio Flamini, Francesco Malaspina +1
Ulrich bundles provide profound insights into the underlying geometry and derived categories of projective varieties supporting them, yet their existence and modular properties rem…