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.
Moduli of Varieties of General Type; Financeur: National Science Foundation; Code: 1901855
Références bibliographiques
2 Documents citant cet article
Emelie Arvidsson;Fabio Bernasconi;Zsolt Patakfalvi, 2024, On the properness of the moduli space of stable surfaces over $\mathbb{Z}$[1/30], Moduli, 1, 10.1112/mod.2024.1, http://doi.org/10.1112/mod.2024.1.
Fabio Bernasconi;Iacopo Brivio;Liam Stigant, 2022, Abundance theorem for threefolds in mixed characteristic, IRIS Research product catalog (Sapienza University of Rome), 388, 1, pp. 141-166, 10.1007/s00208-022-02514-5, https://hdl.handle.net/11573/1718133.