Connecting extended Wigner's friend arguments and noncontextuality

The Local Friendliness argument is an extended Wigner's friend no-go theorem that provides strong constraints on the nature of reality – stronger even than those imposed by Bell's theorem or by noncontextuality arguments. In this work, we prove a variety of connections between Local Friend...

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Bibliographic Details
Main Authors: Laurens Walleghem, Yìlè Yīng, Rafael Wagner, David Schmid
Format: Article
Language:English
Published: Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften 2025-07-01
Series:Quantum
Online Access:https://quantum-journal.org/papers/q-2025-07-31-1819/pdf/
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