Talk:Hawking energy

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It would be nice to add the recent results: [1] — Preceding unsigned comment added by 195.249.127.231 (talk) 10:33, 18 March 2014 (UTC)[reply]

Definition of mean curvature

I think it is important to point out that the definition of mean curvature for the Hawking mass should be $H=g^{ij}h_{ij}$ where $h$ is the second fundamental form of $\Sigma$ . In the linked Wikipedia article the mean curvature is defined as $H={\frac {1}{2}}g^{ij}h_{ij}$ . Only with the former definiton one obtains that the Hawking mass of a sphere of Radius $r$ has Hawking mass equal to $m$ in the Schwarzschild metric. Panagiotis Konstantis (talk) 12:04, 13 February 2023 (UTC)[reply]