Publication

Singularities of general fibers and the LMMP

Zsolt Patakfalvi
2022
Journal Articles

Abstract

We use the theory of foliations to study the relative canonical divisor of a normalized inseparable base-change. Our main technical theorem states that it is linearly equivalent to a divisor with positive integer coefficients divisible by p - 1. We deduce many consequences about the fibrations of the minimal model program: for example the general fibers of terminal Mori fiber spaces of relative dimension 2 are normal in characteristic p >= 5 and smooth in characteristic p >= 11.

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Singularities of general fibers and the LMMP

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