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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.
2012-04-26
Teoria de camps (Física)
Spin (Física nuclear)
Àlgebres de Lie
Field theory (Physics)
Nucler spin
Lie algebras
(c) American Institute of Physics, 1978
Article
American Institute of Physics
         

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