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Abstract: In a recent paper, Deutsch [1] claims to derive the "probabilistic predictions of quantum theory" from the "non-probabilistic axioms of quantum theory" and the "on-probabilistic part of classical decision theory." We show that his derivation includes a crucial hidden assumption that vitiates the force of his argument. Furthermore, we point out that in classical decision theory a standard set of nonprobabilistic axioms is already sufficient to endow possible outcomes with a natural probability... (Update)
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BibTeX entry: (Update)
H. Barnum, C. M. Caves, J. Finkelstein, C. A. Fuchs, and R. Schack, "Quantum Probability from Decision Theory?," Proc. Roy. Soc. Lond. A 456, 1175--1182 (2000). http://citeseer.ist.psu.edu/article/barnum00quantum.html More
@article{ barnum00quantum,
author = "H. Barnum and C. M. Caves and J. Finkelstein and C. A. Fuchs and R. Schack",
title = "Quantum probability from decision theory?",
journal = "Proceedings of the Royal Society of London A",
volume = "456",
number = "5",
pages = "1175--1182",
year = "2000",
url = "citeseer.ist.psu.edu/article/barnum00quantum.html" }
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