Laura Facchini

collaborators

2 papers

math.AG2015

Cox rings of du Val singularities

Laura Facchini, Víctor González-Alonso, Michał Lasoń

In this note we introduce Cox rings of singularities and explicitly compute them in the case of du Val singularities $D_{n}, E_{6}, E_{7}$ and $E_{8}$ .

math.AG2010

On tropical Clifford's Theorem

Laura Facchini

We prove an analogue of Clifford's inequality for tropical curves. Next we focus on the hyperelliptic case and we characterize divisors attaining equality. Finally we speculate whe…