Birational rigidity of del Pezzo fibrations with quotient singularities and its application

Published 25 Mar 2015 in math.AG | (1503.07411v2)

Abstract: In this paper we give a criterion for birational rigidity of del Pezzo fibrations of degree 1 and 2 with only quotient singularities. As an application, we prove birational rigidity of suitable del Pezzo fibrations admitting an action of the Klein simple group.

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Takuzo Okada

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