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We prove a Riemannian positive mass theorem for asymptotically flat spin manifolds with hypersurface singularities. Unlike earlier results, some components of the singular set may be mean-concave, provided that other components of the…

Differential Geometry · Mathematics 2026-02-12 Georg Frenck , Bernhard Hanke , Sven Hirsch

We prove the positive mass theorem for asymptotical flat (AF for short) manifolds with finitely many isolated conical singularities. We do not impose the spin condition. Instead we use the conformal blow up technique which dates back to…

Differential Geometry · Mathematics 2024-01-17 Xianzhe Dai , Yukai Sun , Changliang Wang

The rigidity statement of the positive mass theorem asserts that an asymptotically flat initial data set for the Einstein equations with zero ADM mass, and satisfying the dominant energy condition, must arise from an embedding into…

Differential Geometry · Mathematics 2021-01-19 Edward Bryden , Marcus Khuri , Christina Sormani

In this paper, we study the boundary behaviors of compact manifolds with nonnegative scalar curvature and with nonempty boundary. Using a general version of Positive Mass Theorem of Schoen-Yau and Witten, we prove the following theorem: For…

Differential Geometry · Mathematics 2007-05-23 Yuguang Shi , Luen-fai Tam

The Witten spinorial argument has been adapted in several works over the years to prove positivity of mass in the asymptotically AdS and asymptotically hyperbolic settings in arbitrary dimensions. In this paper we prove a scalar curvature…

Differential Geometry · Mathematics 2009-11-13 Lars Andersson , Mingliang Cai , Gregory J. Galloway

We derive a positive mass theorem for asymptotically flat manifolds with boundary whose mean curvature satisfies a sharp estimate involving the conformal Green's function. The theorem also holds if the conformal Green's function is replaced…

Differential Geometry · Mathematics 2020-06-17 Sven Hirsch , Pengzi Miao

Built on a recent work of Almaraz, Barbosa, de Lima on positive mass theorems on asymptotically flat manifods with a noncompact boundary, we apply free boundary minimal surface techniques to prove their positive mass theorem and study the…

Differential Geometry · Mathematics 2018-11-16 Xiaoxiang Chai

For manifolds with a distinguished asymptotically flat end, we prove a density theorem which produces harmonic asymptotics on the distinguished end, while allowing for points of incompleteness (or negative scalar curvature) away from this…

Differential Geometry · Mathematics 2022-11-14 Dan A. Lee , Martin Lesourd , Ryan Unger

In this paper, we want to prove positive mass theorems for ALF and ALG manifolds with model spaces $\mathbb R^{n-1}\times \mathbb S^1$ and $\mathbb R^{n-2}\times \mathbb T^2$ respectively in dimensions no greater than $7$ (Theorem…

Differential Geometry · Mathematics 2021-03-24 Peng Liu , Yuguang Shi , Jintian Zhu

We prove the positive mass theorem for manifolds with distributional curvature which have been studied in \cite{Lee2015} without spin condition. In our case, the manifold $M$ has asymptotically flat metric $g\in C^0\bigcap W^{1,p}_{-q}$,…

Differential Geometry · Mathematics 2020-06-24 Yuqiao Li

We use the formulation of asymptotically anti-de Sitter boundary conditions given by Ashtekar and Magnon to obtain a coordinate expression for the general asymptotically AdeS metric in a neighbourhood of infinity. From this, we are able to…

General Relativity and Quantum Cosmology · Physics 2010-04-06 E. Woolgar

We establish positive energy theorems for complete spin initial data sets with charge in dimensions $n \geq 4$, under a dominant energy condition and assuming the existence of at least one asymptotically flat end. Our results, formulated in…

Differential Geometry · Mathematics 2025-09-08 Simon Raulot

We prove a positive mass theorem for spaces which asymptotically approach a flat Euclidean space times a Calabi-Yau manifold (or any special honolomy manifold except the quaternionic K\"ahler). This is motivated by the very recent work of…

Differential Geometry · Mathematics 2009-11-10 Xianzhe Dai

We give a lower bound for the Lorentz length of the ADM energy-momentum vector (ADM mass) of 3-dimensional asymptotically flat initial data sets for the Einstein equations. The bound is given in terms of linear growth `spacetime harmonic…

Differential Geometry · Mathematics 2021-01-19 Sven Hirsch , Demetre Kazaras , Marcus Khuri

We prove a positive mass theorem for some noncompact spin manifolds that are asymptotic to products of hyperbolic space with a compact manifold. As conclusion we show the Yamabe inequality for some noncompact manifolds which are important…

Differential Geometry · Mathematics 2015-02-19 Bernd Ammann , Nadine Große

We provide a new proof of the equality case of the spacetime positive mass theorem, which states that if a complete asymptotically flat initial data set $(M, g, k)$ satisfying the dominant energy condition has null ADM energy-momentum (that…

Differential Geometry · Mathematics 2023-02-21 Lan-Hsuan Huang , Dan A. Lee

We formulate and prove the Lorentzian version of the positive mass theorems with arbitrary negative cosmological constant for asymptotically AdS spacetimes. This work is the continuation of the second author's recent work on the positive…

Differential Geometry · Mathematics 2008-11-26 Naqing Xie , Xiao Zhang

Asymptotically flat static causal fermion systems are introduced. Their total mass is defined as a limit of surface layer integrals which compare the measures describing the asymptotically flat spacetime and a vacuum spacetime near spatial…

Mathematical Physics · Physics 2023-10-13 Felix Finster , Andreas Platzer

In this short paper, we review recent progress on the positive mass theorem for spacelike hypersurfaces which approach to null infinity in asymptotically flat spacetimes. We use it to prove, if the functions $c(u, \theta, \psi)$, $d(u,…

Differential Geometry · Mathematics 2007-05-23 Xiao Zhang

We prove upper bounds on angular momentum and centre of mass in terms of the Hamiltonian mass and cosmological constant for non-singular asymptotically anti-de Sitter initial data sets satisfying the dominant energy condition. We work in…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Piotr T. Chrusciel , Daniel Maerten , Paul Tod