Extended Graph 4-Manifolds, and Einstein Metrics
Differential Geometry
2021-09-28 v3 Geometric Topology
Abstract
We show that extended graph 4-manifolds (as defined by Frigerio-Lafont-Sisto in [FLS15]) do not support Einstein metrics.
Cite
@article{arxiv.2106.13279,
title = {Extended Graph 4-Manifolds, and Einstein Metrics},
author = {Luca F. Di Cerbo},
journal= {arXiv preprint arXiv:2106.13279},
year = {2021}
}
Comments
Some changes following referee's report. To appear in Ann. Math. Qu\'e., 12 pages