C. Galindo

collaborators

4 papers

math.AG2026

On $I^´$ -sequences and surfaces at infinity

C. Galindo, F. Monserrat, C. -J. Moreno-Ãvila +1

In most cases the semigroup at infinity $S$ of a curve $C$ with only one place at infinity is generated by a $I^´$ -sequence. This sequence provides geometrical information on $C$ su…

math.AG2026

Nef divisors of surfaces given by pencils at infinity

Carlos Galindo, Francisco Monserrat, Carlos-JesÃºs Moreno-Ãvila +1

We give generators for the nef cone and the cone of curves of rational surfaces obtained by blowing-up the complex projective plane at a set of points $\mathcal{B} \cup \mathcal{D}…

math.AG2025

The cone of curves and the Cox ring of rational surfaces over Hirzebruch surfaces

Carlos Galindo, Francisco Monserrat, Carlos-JesÃºs Moreno-Ãvila

Let $X$ be a rational surface obtained by blowing up at a configuration $C$ of infinitely near points over a Hirzebruch surface $F_{I^} ´$ . We prove that there exist…

math.AG2025

Linear weighted bounded negativity

We propose a linear version of the weighted bounded negativity conjecture. It considers a smooth projective surface $X$ over an algebraically closed field of characteristic zero an…

On I^´-sequences and surfaces at infinity

Nef divisors of surfaces given by pencils at infinity

The cone of curves and the Cox ring of rational surfaces over Hirzebruch surfaces

Linear weighted bounded negativity

On $I^´$ -sequences and surfaces at infinity