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On open manifolds admitting no complete metric with positive scalar curvature

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arxiv 2404.01660 v2 pith:6JFNWSU5 submitted 2024-04-02 math.DG

On open manifolds admitting no complete metric with positive scalar curvature

classification math.DG
keywords curvaturemanifoldspositivescalarcompleteopenmetricuniformly
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In this paper, we investigate the topological obstruction problem for positive scalar curvature and uniformly positive scalar curvature on open manifolds. We present a definition for open Schoen-Yau-Schick manifolds and prove that there is no complete metric with positive scalar curvature on these manifolds. Similarly, we define weak Schoen-Yau-Shick manifolds by analogy, which are expected to admit no complete metrics with uniformly positive scalar curvature.

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