1 citations · 1 across the 2 of their papers we have counts for
2 papers
math.AG2012★ 1 cited
On the singularities of surfaces ruled by conics
Michela Brundu, Gianni Sacchiero
We classify the singularities of a surface ruled by conics: they are rational double points of type or . This is proved by showing that they arise from a precise series…
math.AG2002
Non Weierstrass Numerical Semigroups of Genus g >= 10
V. Beorchia, G. Sacchiero
This paper has been withdrawn by the authors, due a gap in the proof of the main Theorem.