Given the generators $X_{a}$ (with $a=1, ldots, N$ ) of a Lie algebra, prove that the second-order
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Given the generators $X_{a}$ (with $a=1, \ldots, N$ ) of a Lie algebra, prove that the second-order Casimir operator $C^{(2)}=\sum_{a=1}^{N} X_{a} X_{a}$ commutes with all the generators.
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Mathematical Methods For Physics An Introduction To Group Theory Topology And Geometry
ISBN: 9781107191136
1st Edition
Authors: Esko Keski Vakkuri, Claus Montonen, Marco Panero
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