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math.AG2019
On the base point free theorem for klt threefolds in large characteristic
Fabio Bernasconi
In this article we present a refinement of the base point free theorem for threefolds in positive characteristic. If is a nef Cartier divisor of numerical dimension at least on…
math.AG2019★ 30 cited
On del Pezzo fibrations in positive characteristic
Fabio Bernasconi, Hiromu Tanaka
We establish two results on three-dimensional del Pezzo fibrations in positive characteristic. First, we give an explicit bound for torsion index of relatively torsion line bundles…