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Poincaré is a subgroup of Galilei in one space dimension more
Elizalde, E. (Emili), 1950-
Universitat de Barcelona
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.
Teoria de camps (Física)
Spin (Física nuclear)
Àlgebres de Lie
Field theory (Physics)
Nucler spin
Lie algebras
(c) American Institute of Physics, 1978
American Institute of Physics

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