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Madeleine Birchfield (Jun 04 2025 at 04:43):Nima Arkani-Hamed has another hedron for the theory: the Cosmohedron: https://arxiv.org/abs/2412.19881.
John Baez (Jun 04 2025 at 07:02):He makes you go back to 2017 to begin figuring out what he means by "cosmological wavefunction" and what it might have to do with the theory. The story is not very clear.
Notification Bot (Jun 04 2025 at 10:59):This topic was moved here from #theory: category theory > Amplituhedron, associahedron, and related approaches by Matteo Capucci (he/him).