Martinez-Garcia, Jesus (2021) Constant scalar curvature Kähler metrics on rational surfaces. Mathematische Nachrichten, 294 (8). pp. 1547-1558. DOI https://doi.org/10.1002/mana.201900382
Martinez-Garcia, Jesus (2021) Constant scalar curvature Kähler metrics on rational surfaces. Mathematische Nachrichten, 294 (8). pp. 1547-1558. DOI https://doi.org/10.1002/mana.201900382
Martinez-Garcia, Jesus (2021) Constant scalar curvature Kähler metrics on rational surfaces. Mathematische Nachrichten, 294 (8). pp. 1547-1558. DOI https://doi.org/10.1002/mana.201900382
Abstract
We consider projective rational strong Calabi dream surfaces: projective smooth rational surfaces which admit a constant scalar curvature Kähler metric for every Kähler class. We show that there are only two such rational surfaces, namely the projective plane and the quadric surface. In particular, we show that all rational surfaces other than those two admit a destabilising slope test configuration for some polarisation, as introduced by Ross and Thomas. We further show that all Hirzebruch surfaces other than the quadric surface and all rational surfaces with Picard rank 3 do not admit a constant scalar curvature Kähler metric in any Kähler class.
Item Type: | Article |
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Additional Information: | 12 pages. v2: New introduction reflecting new notation on Calabi dream manifolds (implicitly considered in the 1st version) introduced by Chen and Cheng after this manuscript appeared on the ArXiv. All proofs remain the same. v3: final version. Accepted for publication in Math. Nachr |
Uncontrolled Keywords: | automorphism groups, Calabi dream manifolds, constant scalar curvature, K-stability, Kähler metrics, rational surfaces, slope stability; K-stability; constant scalar curvature Kähler metrics; rational surfaces; slope stability; Calabi dream manifolds; automorphism groups |
Divisions: | Faculty of Science and Health Faculty of Science and Health > Mathematics, Statistics and Actuarial Science, School of |
SWORD Depositor: | Unnamed user with email elements@essex.ac.uk |
Depositing User: | Unnamed user with email elements@essex.ac.uk |
Date Deposited: | 26 Nov 2021 15:18 |
Last Modified: | 16 May 2024 19:54 |
URI: | http://repository.essex.ac.uk/id/eprint/30652 |
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