Incomplete descriptions and relevant entropies

@article{Balian1999IncompleteDA,
  title={Incomplete descriptions and relevant entropies},
  author={Roger Balian},
  journal={American Journal of Physics},
  year={1999},
  volume={67},
  pages={1078-1090}
}
  • R. Balian
  • Published 1 July 1999
  • Mathematics, Physics
  • American Journal of Physics
Statistical mechanics relies on the complete although probabilistic description of a system in terms of all its microscopic variables. Its object is to derive from this microscopic description the static and dynamic properties for some reduced set of variables. The elimination of the irrelevant variables is guided by the maximum entropy criterion, which produces the least biased probability law consistent with the available information about the relevant variables. This approach defines… 
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