Corner Structure of Four-Dimensional General Relativity in the Coframe Formalism

Córdova, Ohmori, https://arxiv.org/abs/2205.06243

Bashmakov, Del Zotto, Hasan, https://arxiv.org/abs/2206.07073

Thorngren and Wang. https://arxiv.org/abs/2106.12577

Del Zotto, García Etxebarria, https://arxiv.org/abs/2204.06495