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math.AG2022
Birational Reparametrizations of Surfaces
Jorge Caravantes, Sonia Pérez-Díaz, J. Rafael Sendra
Given a unirational parameterization of a surface, we present a general algorithm to determine a birational parameterization without using parameterization algorithms. Additionally…
math.AG2022
A note about rational surfaces as unions of affine planes
Jorge Caravantes, J. Rafael Sendra, David Sevilla +1
We prove that any smooth rational projective surface over the field of complex numbers has an open covering consisting of 3 subsets isomorphic to affine planes.