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Independence of singularity type for numerically effective Kähler–Ricci flows

Hosea Wondo and Zhou Zhang

Geometry & Topology 29 (2025) 479–494
Abstract

We show that the singularity type of solutions to the Kähler–Ricci flow on a numerically effective manifold does not depend on the initial metric. More precisely, if there exists a type-III solution to the Kähler–Ricci flow, then any other solution starting from a different initial metric will also be type III. This generalizes a previous result by Yuguang Zhang for the semiample case, and confirms a conjecture by V Tosatti.

Keywords
Kähler–Ricci flow, Kähler geometry, minimal model program, curvature estimates
Mathematical Subject Classification
Primary: 53C55
Secondary: 32Q15
References
Publication
Received: 9 November 2023
Revised: 7 February 2024
Accepted: 9 March 2024
Published: 22 January 2025
Proposed: Gang Tian
Seconded: John Lott, Tobias H Colding
Authors
Hosea Wondo
School of Mathematics and Statistics
The University of Sydney
Sydney, NSW
Australia
Zhou Zhang
School of Mathematics and Statistics
The University of Sydney
Sydney, NSW
Australia

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