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What Do Black Holes Teach Us About Wigner's Friend?

Adlam, Emily (2026) What Do Black Holes Teach Us About Wigner's Friend? [Preprint]

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Abstract

Recently, Hausmann and Renner have pointed out that several famous paradoxes relating to black holes have a similar character to various Extended Wigner's Friend paradoxes. In this paper I consider what the connection between these things could teach us about the Wigner's Friend scenarios. I argue that if we take the analogy between these cases seriously, the black hole paradoxes appear to favour a certain class of response to the Wigner's Friend scenario - specifically, those which posit intrinsic relationality, rather than effective and emergent relationality, and also those which posit some kind of retrocausality.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Adlam, Emilyeadlam90@gmail.com
Additional Information: Forthcoming in European Journal for Philosophy of Science
Keywords: Wigner's Friend; black holes; relational approaches to quantum mechanics
Subjects: Specific Sciences > Physics
Specific Sciences > Physics > Quantum Mechanics
Specific Sciences > Physics > Relativity Theory
Depositing User: Dr Emily Adlam
Date Deposited: 20 Apr 2026 12:53
Last Modified: 20 Apr 2026 12:53
Item ID: 29261
Subjects: Specific Sciences > Physics
Specific Sciences > Physics > Quantum Mechanics
Specific Sciences > Physics > Relativity Theory
Date: 19 April 2026
URI: https://philsci-archive.pitt.edu/id/eprint/29261

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