Elliott H. Lieb and Jakob Yngvason
Entropy is a measure of the irreversibility of energy-preserving processes in classical thermodynamics, but its exact definition often founders in imprecision. The authors sketch a recent rigorous development of entropy in terms of physically reasonable axioms.
(pp. 571)
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Allyn Jackson
The MPI in Bonn is one of the world's premier centers for mathematics research. Its upcoming move to a new building in the center of Bonn's old town provides an occasion for examining the MPI's history and future.
(pp. 582)
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Hyman Bass
The chair of the AMS Committee on Education offers reflections on his experiences in working on specifications for the Voluntary National Mathematics Test.
(pp. 589)
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