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Equivariant unirationality of del Pezzo surfaces of degree 3 and 4
Published 30 Oct 2014 in math.AG | (1410.8434v2)
Abstract: A variety X with an action of a finite group G is said to be G-unirational if there is a G-equivariant dominant rational map V -> X where V is a faithful linear representation of G. This generalizes the usual notion of unirationality. We determine when X is G-unirational for any complex del Pezzo surface X of degree at least 3.
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