Journal of Mathematical Physics · 1996 · 67 citations · 5 references
Natural SciencesMathematicsAlgebraRepresentation TheoryAbstract AlgebraGroup TheoryIrreducible RepresentationsProjective RepresentationsUnitary Representations
We give an elementary analysis of the multiplicator group of the Galilei group in 1+2 dimensions 𝒢+↑. For a nontrivial multiplicator we give a list of all the corresponding projective unitary irreducible representations of 𝒢+↑.
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Irreducible Unitary Representations of the Lorentz Group
V. Bargmann · Annals of Mathematics · 1947 · 1.3K citations