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

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Córdova, Ohmori, Rudelius, https://arxiv.org/abs/2202.05866

Bah, Bonetti, Leung, Weck, https://arxiv.org/abs/2111.01790

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