Singular Kähler-Ricci Shrinkers are Complex Analytic

Fuente: arXiv
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Main Authors: Hallgren, Max, Zhang, Junsheng
Format: Preprint
Published: 2026
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author Hallgren, Max
Zhang, Junsheng
author_facet Hallgren, Max
Zhang, Junsheng
contents We prove that any singular Kähler--Ricci shrinker $X$ arising as a noncollapsed limit of Kähler--Ricci flows admits a natural structure of a locally algebraic complex-analytic variety with log terminal singularities. We then derive several geometric consequences: $X$ is simply connected, has a unique end, has unique tangent cones at every point, and is a smooth orbifold outside a subset of complex codimension at least three. As a further application, we prove a new long-time pseudolocality theorem for almost-selfsimilar Kähler--Ricci flows.
format Preprint
id arxiv_https___arxiv_org_abs_2605_25213
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Singular Kähler-Ricci Shrinkers are Complex Analytic
Hallgren, Max
Zhang, Junsheng
Differential Geometry
Complex Variables
We prove that any singular Kähler--Ricci shrinker $X$ arising as a noncollapsed limit of Kähler--Ricci flows admits a natural structure of a locally algebraic complex-analytic variety with log terminal singularities. We then derive several geometric consequences: $X$ is simply connected, has a unique end, has unique tangent cones at every point, and is a smooth orbifold outside a subset of complex codimension at least three. As a further application, we prove a new long-time pseudolocality theorem for almost-selfsimilar Kähler--Ricci flows.
title Singular Kähler-Ricci Shrinkers are Complex Analytic
topic Differential Geometry
Complex Variables
url https://arxiv.org/abs/2605.25213