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<p>In this article, we investigate certain geometric inequalities on quasi-Einstein manifolds. We use the generalized Reilly’s formulas by Qiu-Xia and Li-Xia to establish new boundary estimates and an isoperimetric type inequality for compact quasi-Einstein manifolds with boundary. Boundary estimates in terms of the first eigenvalue of the Jacobi operator and the Hawking mass are also established. In particular, we present a Heintze-Karcher type inequality for compact domains in quasi-Einstein manifolds.</p>

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Geometric inequalities for quasi-Einstein manifolds

  • 期刊论文

  • 发表日期：

    2025年7月15日

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  • Rafael Diógenes,
  • Jaciane Gonçalves,
  • Ernani Ribeiro Jr

摘要

In this article, we investigate certain geometric inequalities on quasi-Einstein manifolds. We use the generalized Reilly’s formulas by Qiu-Xia and Li-Xia to establish new boundary estimates and an isoperimetric type inequality for compact quasi-Einstein manifolds with boundary. Boundary estimates in terms of the first eigenvalue of the Jacobi operator and the Hawking mass are also established. In particular, we present a Heintze-Karcher type inequality for compact domains in quasi-Einstein manifolds.