English

Lifting globally $F$-split surfaces to characteristic zero

Algebraic Geometry 2024-08-13 v3

Abstract

We prove that every globally FF-split surface admits an equisingular lifting over the ring of Witt vectors.

Cite

@article{arxiv.2205.01779,
  title  = {Lifting globally $F$-split surfaces to characteristic zero},
  author = {Fabio Bernasconi and Iacopo Brivio and Tatsuro Kawakami and Jakub Witaszek},
  journal= {arXiv preprint arXiv:2205.01779},
  year   = {2024}
}

Comments

v3: 53 pages, improved proofs and exposition. To appear in Crelle

R2 v1 2026-06-24T11:06:28.063Z