5 papers
Linkage on arithmetically Cohen-Macaulay schemes with application to the classification of curves of maximal genus
Rita Ferraro
In this paper the author provides a generalization of classical linkage, i.e. linkage by a complete intersection of dim. 0 or 1 on arithmetically Cohen-Macaulay schemes of any dime…
Curves of maximal genus in P^5
Rita Ferraro
Let C be a reduced, irreducible, not degenerate curve, not contained on surfaces of degree <s; when d=deg(C) is large with respect to s, the arithmetic genus p_a(c) is bounded by a…
Linkage on singular rational normal surfaces and three-folds with application to the classification of curves of maximal genus
Rita Ferraro
In this paper the author provides a generalization of classical linkage, i.e. linkage by a complete intersection, in a different context. Namely she looks at residuals in the schem…
Weil divisors on rational normal scrolls
Rita Ferraro
The aim of this paper is to study Weil divisors on a singular rational normal scroll X. In particular the author describes explicitly the group of divisorial sheaves associated to…
Explicit Resolutions of Double Point Singularities of Surfaces
Alberto Calabri, Rita Ferraro
Locally analytically, any isolated double point occurs as a double covering of a smooth surface. It can be desingularized via the canonical resolution, as it is well-known. In this…