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

Del Zotto, Heckman, Meynet, Moscrop, Zhang, https://arxiv.org/abs/2201.08372

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

Ohmori, Tizzano, https://arxiv.org/abs/2112.13445

Kaidi, Ohmori, Zheng, https://arxiv.org/abs/2111.01141