Abstract
The connection between the ideas of “contraction” and “analytic continuation” of Lie algebras and their representations is discussed, with particular emphasis on the contraction of the Poincaré to the Galilean group.
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This research was supported in part by the Office of Air Force Scientific Research AF 49 (638)-1440.
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Hermann, R. Analytic continuation of group representations. III. Commun.Math. Phys. 3, 75–97 (1966). https://doi.org/10.1007/BF01645447
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DOI: https://doi.org/10.1007/BF01645447