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Gleason's Theorem

publication1 mentionslast seen Oct 14, 2026

A mathematical result used in derivations of the Born rule.

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Gleason's TheoremcitesBorn rule75% confidence1 source

Gleason's Theorem

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Gleason's TheoremcitesBorn rule

75% confidence1 supporting mentions

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preprintarXivMar 6, 2026Summing to Uncertainty: On the Necessity of Additivity in Deriving the Born Rule
These include Gleason's Theorem, Busch's extension of Gleason's Theorem, the Deutsch-Wallace Theorem, Zurek's envariance proof, and the Finkelstein-Hartle Theorem. We show that these derivations either depend heavily on the additivity assumption