Andrés Rojas

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math.AG2025

Projective models for Hilbert squares of $K 3$ surfaces

Ángel David Ríos Ortiz, Andrés Rojas, Jieao Song

For a very general polarized $K 3$ surface $S \subset P^{g}$ of genus $g \geq 5$ , we study the linear system on the Hilbert square $S^{[2]}$ parametrizing quadrics in $\mathbb{P…

math.AG2024

On the degree of irrationality of low genus $K 3$ surfaces

Federico Moretti, Andrés Rojas

Given a general polarized $K 3$ surface $S \subset P^{g}$ of genus $g \leq 14$ , we study projections $S ↪ P^{g} ⇢ P^{2}$ of minimal degree a…

Projective models for Hilbert squares of K3 surfaces

On the degree of irrationality of low genus K3 surfaces

Projective models for Hilbert squares of $K 3$ surfaces

On the degree of irrationality of low genus $K 3$ surfaces