5 found
  1.  58
    Computability and Physical Theories.Robert Geroch & James B. Hartle - 1986 - Foundations of Physics 16 (6):533-550.
    The familiar theories of physics have the feature that the application of the theory to make predictions in specific circumstances can be done by means of an algorithm. We propose a more precise formulation of this feature—one based on the issue of whether or not the physically measurable numbers predicted by the theory are computable in the mathematical sense. Applying this formulation to one approach to a quantum theory of gravity, there are found indications that there may exist no such (...)
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  2.  36
    The Quasiclassical Realms of This Quantum Universe.James B. Hartle - 2011 - Foundations of Physics 41 (6):982-1006.
    The most striking observable feature of our indeterministic quantum universe is the wide range of time, place, and scale on which the deterministic laws of classical physics hold to an excellent approximation. This essay describes how this domain of classical predictability of every day experience emerges from a quantum theory of the universe’s state and dynamics.
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  3.  10
    Sources of Predictability.James B. Hartle - 1997 - Complexity 3 (1):22-25.
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  4. Symposium on the Foundations of Modern Physics 1994.James B. Hartle, K. V. Laurikainen, Henry J. Folse D'Espagnat Paris, Asher Peres, Abner Shimony, Henry Stapp & Stig Stenholm - 1994 - Foundations of Physics 24 (2).
  5.  7
    Time and Prediction in Quantum Cosmology.James B. Hartle - 1991 - In A. Ashtekar & J. Stachel (eds.), Conceptual Problems of Quantum Gravity. Birkhauser. pp. 1--172.
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