The general formalism for path integrals expressed in terms of an arbitrary continuous representation (generalized coherent states) is applied to give c-number formulations for the canonical algebra and for the spin algebra, and is used to derive meaningful stationary-phase approximations for these two cases. Some clarification of a recent discussion by Jevicki and Papanicolaou for the spin case is given.
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John R. Klauder (1979) studied this question.
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