Non-normal purely log terminal centres in characteristic p ≥ 3

2018/02/13 by Bernasconi, Fabio
#Algebraic Geometry (math.AG) #FOS: Mathematics

paper · doi:10.48550/arxiv.1802.04896

Abstract

In this note we show, building on a recent work of Totaro, that for every prime number p ≥ 3 there exists a purely log terminal pair (Z,S) of dimension 2p+2 whose plt centre S is not normal.

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