Abstract
We show that extended graph 4-manifolds (as defined by Frigerio–Lafont–Sisto in [12]) do not support Einstein metrics.
Résumé
Nous montrons que les variétés grapheés généralisées de dimension 4 (définies par Frigerio–Lafont–Sisto dans [12]) n’admettent aucune métrique d’Einstein.
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Acknowledgements
The author would like to thank Professor Claude LeBrun for useful comments on an earlier version of this manuscript, and for generously sharing his knowledge of the subject over the years.
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Supported in part by NSF Grant DMS-2104662.
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Di Cerbo, L.F. Extended graph 4-manifolds, and Einstein metrics. Ann. Math. Québec 48, 269–276 (2024). https://doi.org/10.1007/s40316-021-00192-4
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DOI: https://doi.org/10.1007/s40316-021-00192-4