English

Fano Shimura varieties with mostly branched cusps

Algebraic Geometry 2024-03-06 v2 Number Theory

Abstract

We prove that the Satake-Baily-Borel compactification of certain Shimura varieties are Fano varieties, Calabi-Yau varieties or have ample canonical divisors with mild singularities. We also prove some variants statements, give applications and discuss various examples including new ones, for instance, the moduli spaces of unpolarized (log) Enriques surfaces.

Keywords

Cite

@article{arxiv.2105.08254,
  title  = {Fano Shimura varieties with mostly branched cusps},
  author = {Yota Maeda and Yuji Odaka},
  journal= {arXiv preprint arXiv:2105.08254},
  year   = {2024}
}

Comments

33 pages

R2 v1 2026-06-24T02:12:27.372Z