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Edwin Thompson Jaynes

From Wikipedia, the free encyclopedia

E. T. Jaynes
Edwin Thompson Jaynes, circa 1960.
Born(1922-07-05)July 5, 1922
DiedApril 30, 1998(1998-04-30) (aged 75)
EducationCornell College
Princeton University
Known forMaximum entropy thermodynamics
Bayesian theory
Jaynes–Cummings model
Scientific career
FieldsPhysicist
InstitutionsWashington University in St. Louis
ThesisAn electronic theory of ferroelectricity (1948)
Doctoral advisorEugene Wigner
Jaynes around 1982

Edwin Thompson Jaynes (July 5, 1922 – April 30,[1] 1998) was the Wayman Crow Distinguished Professor of Physics at Washington University in St. Louis. He wrote extensively on statistical mechanics and on foundations of probability and statistical inference, initiating in 1957 the maximum entropy interpretation of thermodynamics[2][3] as being a particular application of more general Bayesian/information theory techniques (although he argued this was already implicit in the works of Josiah Willard Gibbs). Jaynes strongly promoted the interpretation of probability theory as an extension of logic.

In 1963, together with Fred Cummings, he modeled the evolution of a two-level atom in an electromagnetic field, in a fully quantized way. This model is known as the Jaynes–Cummings model.

A particular focus of his work was the construction of logical principles for assigning prior probability distributions; see the principle of maximum entropy, the principle of maximum caliber, the principle of transformation groups[4][5] and Laplace's principle of indifference. Other contributions include the mind projection fallacy.

Jaynes' book, Probability Theory: The Logic of Science (2003) gathers various threads of modern thinking about Bayesian probability and statistical inference, develops the notion of probability theory as extended logic, and contrasts the advantages of Bayesian techniques with the results of other approaches. This book, which he dedicated to Harold Jeffreys, was published posthumously in 2003 (from an incomplete manuscript that was edited by Larry Bretthorst).

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Transcription

See also

References

  1. ^ Clark J.W.; Norberg R.E.; Bretthorst G.L. (January 2000). "Edwin Thompson Jaynes". Physics Today. 53 (1): 71. Bibcode:2000PhT....53a..71.. doi:10.1063/1.882948. Archived from the original on 2007-08-06.
  2. ^ Jaynes, E.T. (1957). "Information theory and statistical mechanics" (PDF). Physical Review. 106 (4): 620–630. Bibcode:1957PhRv..106..620J. doi:10.1103/PhysRev.106.620. S2CID 17870175.
  3. ^ — (1957). "Information theory and statistical mechanics II" (PDF). Physical Review. 108 (2): 171–190. Bibcode:1957PhRv..108..171J. doi:10.1103/PhysRev.108.171.
  4. ^ — (September 1968). "Prior Probabilities" (PDF). IEEE Transactions on Systems Science and Cybernetics. 4 (3): 227–241. doi:10.1109/TSSC.1968.300117.
  5. ^ — (December 1973). "The Well-Posed Problem" (PDF). Found. Phys. 3 (4): 477–492. Bibcode:1973FoPh....3..477J. doi:10.1007/BF00709116. S2CID 2380040.

External links

This page was last edited on 5 February 2024, at 23:10
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