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hep-th2024
End-of-the-World Branes and Inflationary Predictions for Rocky and Swampy Landscapes
Bjoern Hassfeld, Arthur Hebecker, Alexander Westphal
Making cosmological predictions in a multiverse is a fundamental theoretical challenge. Assuming that (quasi-)de Sitter vacua are quantum mechanically described by a finite-dimensi…
hep-th2024
The Boundary Proposal
Bjoern Hassfeld, Arthur Hebecker
One of the leading ideas for the beginning of the Universe is the Hartle-Hawking `No-Boundary Proposal.' Since the Cobordism Conjecture claims that any spacetime allows for a dynam…