Topological Rigidity of Contractible 3-Manifolds and Handlebody Interiors under Nonnegative Scalar Curvature
Year: 2026
Type: preprint
Abstract: We prove that a contractible $3$-manifold admitting a complete Riemannian metric of nonnegative scalar curvature is diffeomorphic to $\R^3$. We also prove that, if the interior $M_γ$ of a compact handlebody of genus $γ$ admits such a metric, then $γ\leq1$. This answers two open questions posed by Wang and Gromov, respectively.
Source: arXiv (Cornell University)
Authors: You, Jiangcheng, Zhang, Heng
Language: English
Subfield: Applied Mathematics
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7171693132