{ "id": "2108.08402", "version": "v1", "published": "2021-08-18T22:12:25.000Z", "updated": "2021-08-18T22:12:25.000Z", "title": "A Green's function proof of the Positive Mass Theorem", "authors": [ "V. Agostiniani", "L. Mazzieri", "F. Oronzio" ], "categories": [ "math.DG", "math.AP" ], "abstract": "In this short note, a new proof of the Positive Mass Theorem is established through a newly discovered monotonicity formula, holding along the level sets of the Green's function of an asymptotically flat $3$-manifolds. In the same context and for $1