#### Vol. 297, No. 1, 2018

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Remarks on critical metrics of the scalar curvature and volume functionals on compact manifolds with boundary

### Halyson Baltazar and Ernani Ribeiro, Jr.

Vol. 297 (2018), No. 1, 29–45
##### Abstract

We provide a general Bochner type formula which enables us to prove some rigidity results for $V$-static spaces. In particular, we show that an $n$-dimensional positive static triple with connected boundary and positive scalar curvature must be isometric to the standard hemisphere, provided that the metric has zero radial Weyl curvature and satisfies a suitable pinching condition. Moreover, we classify $V$-static spaces with nonnegative sectional curvature.

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