2 papers
gr-qc2026
Sharp Tangential NEC Minimization and Israel Surface Layers in Schwarzschild Mass Interpolations
Changsun Choi, Ryan E. Grady
We study static, spherically symmetric metrics in Schwarzschild gauge whose mass function increases smoothly from to across an annulus outside the large…
math-ph2025
Adjoint L-Infinity Actions and Conserved Charges in GR
Changsun Choi, Ryan E. Grady
In this work we compute the conserved currents and charges associated to the action of an infinitesimal isometry (Killing field) in Einstein--Cartan--Palatini gravity. We offer a n…