Direct summands of klt singularities
Algebraic Geometry
2024-10-23 v3 Commutative Algebra
Abstract
We show that direct summands (or more generally, pure images) of klt type singularities are of klt type. As a consequence, we give a different proof of a recent result of Braun, Greb, Langlois and Moraga that reductive quotients of klt type singularities are of klt type.
Cite
@article{arxiv.2208.12418,
title = {Direct summands of klt singularities},
author = {Ziquan Zhuang},
journal= {arXiv preprint arXiv:2208.12418},
year = {2024}
}
Comments
12 pages. With an appendix by Shiji Lyu. Final version in Invent. Math