Hochster's type formulae
We give an elementary proof and generalize some Hochsters's type formulae on local cohomology and Ext's of squarefree modules
math.AC↗
arXiv subjects
Alejandro Torres Sancho
Publications and source records attributed to Alejandro Torres Sancho.
A geometrization of Stanley--Reisner theory
We give a geometric interpretation of the Stanley--Reisner correspondence, extend it to schemes, and interpret it in terms of the field of one element.
math.AG↗
Dualizing and canonical complexes on finite posets
We develop Grothendieck's theory of dualizing complexes on finite posets, and its subsequent theory of Cohen-Macaulayness.
math.CO↗