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D'Auria, Riccardo; Ferrara, Sergio; Lledó Barrena, María Antonia | |||
Aquest document és un/a article, creat/da en: 2001 | |||
Este documento está disponible también en : 10.1023/A:1017950711091 |
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We explore the embedding of Spin groups of arbitrary dimension and signature into simple superalgebras in the case of extended supersymmetry. The R-symmetry, which generically is not compact, can be chosen compact for all the cases that are congruent mod 8 to the physical conformal algebra so(D − 2,2), D ≥ 3. An so(1,1) grading of the superalgebra is found in all cases. Central extensions of super translation algebras are studied within this framework. | |||
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