3 papers
math.AG2024
Nested Hilbert Schemes on Hirzebruch surfaces and quiver varieties
Ugo Bruzzo, Valeriano Lanza, Pedro H. Dos Santos
For we show that the length 1 nested Hilbert scheme of the total space of the line bundle , parameterizing pairs of nested 0-cycles in…
math.AG2021
Obstruction theory for moduli spaces of framed flags of sheaves on the projective plane
Rodrigo A. Von Flach, Marcos Jardim, Valeriano Lanza
In a previous paper, the first two named authors established an isomorphism between the moduli space of framed flags of sheaves on the projective plane and the moduli space of stab…
math.AG2018
On the codimension of Noether-Lefshetz loci for toric threefolds
Valeriano Lanza, Ivan Martino
In this manuscript we sharpen the lower bound on the codimension of the irreducible components of the Noether-Lefschetz locus of surfaces in projective toric threefolds given in [B…