Raquel Perales (IMATE-UNAM)

December 3, 2021

Intrinsic flat stability of the positive mass theorem for graphical manifolds

The rigidity of the Riemannian positive mass theorem for asymptotically flat manifolds states that the total mass of such a manifold is zero if and only if the manifold is isometric to the Euclidean space. This leads us to ask us if an asymptotically flat manifold that has total mass almost zero is close, in some sense, to the Euclidean space.  I will review Huang-Lee-Sormani, Allen-Perales and Huang-Lee-Perales’s PMT stability result for asymptotically flat graphical manifolds where intrinsic flat distance was used. Motivated by these, and as a part of an ongoing project with A. Cabrera Pacheco and M. Graf, I will also discuss an analogous result for asymptotically hyperbolic graphical manifolds.

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