Showing math.AGShow all
2 papers · 1 filter
math.AG2012
When the positivity of the h-vector implies the Cohen-Macaulay property
Francesca Cioffi, Roberta Di Gennaro
We study relations between the Cohen-Macaulay property and the positivity of -vectors, showing that these two conditions are equivalent for those locally Cohen-Macaulay equidime…
math.AG2005
The equations of space curves on a quadric
Roberta Di Gennaro, Uwe Nagel
The homogenous ideals of curves in a double plane have been studied by Chiarli, Greco, Nagel. Completing this work we describe the equations of any curve that is contained in some…