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Synopsis
A lively, varied and topical presentation of this branch of theoretical physics.
Booknews
The 35 papers explain how many of the fundamental theories of modern physics can be considered descriptions of dynamical systems subjected to constraints, and explore how formulating the problems as quantum systems reveals profound links with geometry. The topics include exponentially localized instantons in a hierarchy of Higgs models, an example of loop quantization, spherically symmetric gravity and the notion of time in general relativity, and classical and quantum aspects of degenerate metric fields. No index. Annotation c. Book News, Inc., Portland, OR (booknews.com)