An obstruction to lifting to characteristic $0$

Autor:	Esnault, Hélène, Srinivas, Vasudevan, Stix, Jakob
Rok vydání:	2021
Předmět:	Mathematics - Algebraic Geometry Mathematics - Number Theory
Druh dokumentu:	Working Paper
Popis:	We introduce a new obstruction to lifting smooth proper varieties in characteristic $p>0$ to characteristic $0$. It is based on Grothendieck's specialization homomorphism and the resulting discrete finiteness properties of \'etale fundamental groups. Comment: 18 pages
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2106.08381 Zobrazit plný text záznamu View this record from Arxiv