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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/24502
Poincaré is a subgroup of Galilei in one space dimension more
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Through an imaginary change of coordinates, the ordinary Poincar algebra is shown to be a subalgebra of the Galilei one in four space dimensions. Through a subsequent contraction the remaining Lie generators are eliminated in a natural way. An application of these results to connect Galilean and relativistic field equations is discussed.
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ELIZALDE, E. (Emili). Poincaré is a subgroup of Galilei in one space dimension more. Journal of Mathematical Physics. 1978. Vol. 19, num. 526. ISSN 0022-2488. [consulted: 6 of June of 2026]. Available at: https://hdl.handle.net/2445/24502