Beijing Journal of Pure and Applied Mathematics

The Bartnik quasi-local mass conjectures

An overview of Bartnik’s quasi-local mass

Estimates of the Bartnik mass

Past stability of FLRW solutions to the Einstein-Euler-scalar field equations and their big bang singularities

The Riemannian Penrose inequality with matter density

Attaching faces of positive scalar curvature manifolds with corners

Characteristic gluing with $\Lambda$: 1. Linearised Einstein equations on four-dimensional spacetimes

Abstract null geometry, energy-momentum map and applications to the constraint tensor

Spacelike CMC surfaces near null infinity of the Schwarzschild spacetime