J ul 2 00 6 The Null Decomposition of

نویسندگان

  • Dana Mihai
  • George A J Sparling
چکیده

We analyze the decomposition of the enveloping algebra of the conformal algebra in arbitrary dimension with respect to the mass-squared operator. It emerges that the subalgebra that commutes with the mass-squared is generated by its Poincaré subalgebra together with a vector operator. The special cases of the conformal algebras of two and three dimensions are described in detail, including the construction of their Casimir operators.

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تاریخ انتشار 2006