Almost non-negative scalar curvature on Riemannian manifolds conformal to tori

Abstract

In this article we reduce the geometric stability conjecture for the scalar torus rigidity theorem to the conformal case via the Yamabe problem. Then we are able to prove the case where a sequence of Riemannian manifolds is conformal to a uniformly controlled sequence of flat tori and satisfies the geometric stability conjecture. We are also able to handle the case where a sequence of Riemannian manifolds is conformal to a sequence of constant negative scalar curvature Riemannian manifolds which converge to a flat torus in $C^1$. The full conjecture from the conformal perspective is also discussed as a possible approach to resolving the conjecture.

arXiv comment22 pages, comments welcome. v2: Adjustments made to the introduction and background. To appear in the Journal of Geometric Analysis

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• Sobolev Inequalities and Convergence For Riemannian Metrics and Distance Functions