3 papers
math.AG2021
Moduli spaces of quasi-trivial sheaves
Douglas Guimarães, Marcos Jardim
A torsion-free sheaf on a projective variety is called quasi-trivial if . While such sheaves are always -semistable, they may no…
math.AG2017
A note on the ADHM description of Quot schemes of points on affine spaces
Abdelmoubine Amar Henni, Douglas M. Guimarães
We give an ADHM description of the Quot scheme of points of length and rank on affine spaces which naturally extends bo…
math.DG2017
The vectorial Ribaucour transformation for submanifolds of constant sectional curvature
Daniel Guimarães, Ruy Tojeiro
We obtain a reduction of the vectorial Ribaucour transformation that preserves the class of submanifolds of constant sectional curvature of space forms, which we call the -trans…