CAT(0) 4-manifolds are Euclidean
Differential Geometry
2021-09-21 v1 Geometric Topology
Metric Geometry
Abstract
We prove that a topological 4-manifold of globally non-positive curvature is homeomorphic to Euclidean space.
Keywords
Cite
@article{arxiv.2109.09438,
title = {CAT(0) 4-manifolds are Euclidean},
author = {Alexander Lytchak and Koichi Nagano and Stephan Stadler},
journal= {arXiv preprint arXiv:2109.09438},
year = {2021}
}