CAT(0) 4-manifolds are Euclidean

Abstract

We prove that a topological 4-manifold of globally non-positive curvature is homeomorphic to Euclidean space.

References in corpus (2)

• The Bing-Borsuk and the Busemann Conjectures
• Link Obstruction to Riemannian smoothings of locally CAT(0) 4-manifolds