Families of stable 3-folds in positive characteristic

We show that flat families of stable 3-folds do not lead to proper moduli spaces in any characteristic $p>0$. As a byproduct, we obtain log canonical 4-fold pairs, whose log canonical centers are not weakly normal.

Bibliographic Details
Main Author: János Kollár
Format: Article
Language:English
Published: Association Epiga 2023-02-01
Series:Épijournal de Géométrie Algébrique
Subjects:
Online Access:https://epiga.episciences.org/9730/pdf