text: 382,91,1227512201579257857,1196494921,Steve McCormick,"Woo!! Slipped one through with the ol' cross-list switcharoo: <LINK> (New paper on arXiv today, with Po-Ning Chen: Quasi-local Penrose inequalities with electric charge) <LINK> @gregeganSF I'm so glad I'm not the only one 😂 And all dates are (yy)yymmdd in Sweden, so I should really be used to it by now... @CreeepyJoe Oh yeh, I forgot there was a big UCR contingency here on mathtwitter! :)",https://arxiv.org/abs/2002.04557,"The Riemannian Penrose inequality is a remarkable geometric inequality between the ADM mass of an asymptotically flat manifold with non-negative scalar curvature and the area of its outermost minimal surface. A version of the Riemannian Penrose inequality has also been established for the Einstein-Maxwell equations, where the lower bound on the mass also depends on the electric charge. In the context of quasi-local mass, one is interested in determining if, and for which quasi-local mass definitions, a quasi-local version of these inequalities also holds. It is known that the Brown-York quasi-local mass satisfies a quasi-local Riemannian Penrose inequality, however in the context of the Einstein-Maxwell equations, one expects that a quasi-local Riemannian Penrose inequality should also include a contribution from the electric charge. This article builds on ideas of Lu and Miao and of the first-named author to prove some charged quasi-local Penrose inequalities for a class of compact manifolds with boundary. In particular, we impose that the boundary is isometric to a closed surface in a suitable Reissner-Nordstr\""om manifold, which serves as a reference manifold for the quasi-local mass that we work with. In the case where the reference manifold has zero mass and non-zero electric charge, the lower bound on quasi-local mass is exactly the lower bound on the ADM mass given by the charged Riemannian Penrose inequality. ",Quasi-local Penrose inequalities with electric charge,3,"[""Woo!! Slipped one through with the ol' cross-list switcharoo: <LINK>\n\n(New paper on arXiv today, with Po-Ning Chen: Quasi-local Penrose inequalities with electric charge) <LINK>"", ""@gregeganSF I'm so glad I'm not the only one 😂\n\nAnd all dates are (yy)yymmdd in Sweden, so I should really be used to it by now..."", '@CreeepyJoe Oh yeh, I forgot there was a big UCR contingency here on mathtwitter! :)']",20,02,391