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K-stability of Fano varieties via admissible flags

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posted on 2022-07-20, 10:31 authored by Hamid Abban, Ziquan Zhuang
We develop a general approach to prove K-stability of Fano varieties. The new theory is used to (a) prove the existence of Kähler-Einstein metrics on all smooth Fano hypersurfaces of Fano index two, (b) compute the stability thresholds for hypersurfaces at generalised Eckardt points and for cubic surfaces at all points, and (c) provide a new algebraic proof of Tian's criterion for K-stability, amongst other applications.

Funding

Birational Models of Singular Fano 3-folds

Engineering and Physical Sciences Research Council

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Kähler-Einstein metrics on Fano manifolds

Engineering and Physical Sciences Research Council

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NSF Grant DMS-2055531

History

School

  • Science

Department

  • Mathematics Education Centre

Published in

Forum of Mathematics, Pi

Volume

10

Publisher

Cambridge University Press

Version

  • VoR (Version of Record)

Rights holder

© The Author(s)

Publisher statement

This is an Open Access article published by Cambridge University Press and distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

Acceptance date

2022-06-01

Publication date

2022-06-30

Copyright date

2022

eISSN

2050-5094

Language

  • en

Depositor

Dr Hamid Abban. Deposit date: 18 July 2022

Article number

e15

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