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Abstract: We classify the Lie superalgebra deformations of the Killing superalgebras ofsome M-theory backgrounds. We show that the Killing superalgebras of theMinkowski, Freund-Rubin and M5-brane backgrounds are rigid, whereas the onesfor the M-wave, the Kaluza-Klein monopole and the M2-brane admit deformations,which we give explicitly.



Autor: José Figueroa-O'Farrill

Fuente: https://arxiv.org/







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