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Realization of bicovariant differential calculus on the Lie algebra type noncommutative spaces (CROSBI ID 241112)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Meljanac, Stjepan ; Krešić-Jurić, Saša ; Martinić, Tea Realization of bicovariant differential calculus on the Lie algebra type noncommutative spaces // Journal of mathematical physics, 58 (2017), 071701-1-071701-17. doi: 10.1063/1.4991526

Podaci o odgovornosti

Meljanac, Stjepan ; Krešić-Jurić, Saša ; Martinić, Tea

engleski

Realization of bicovariant differential calculus on the Lie algebra type noncommutative spaces

This paper investigates bicovariant differential calculus on noncommutative spaces of the Lie algebra type. For a given Lie algebra $\g_0$ we construct a Lie superalgebra $\g=\g_0\oplus \g_1$ containing noncommutative coordinates and one--forms. We show that $\g$ can be extended by a set of generators $T_{; ; ; AB}; ; ; $ whose action on the enveloping algebra $U(\g)$ gives the commutation relations between monomials in $U(\g_0)$ and one--forms. Realizations of noncommutative coordinates, one--forms and the generators $T_{; ; ; AB}; ; ; $ as formal power series in a semicompleted Weyl superalgebra are found. In the special case $\dim(\g_0)= \dim(\g_1)$ we also find a realization of the exterior derivative on $U(\g_0)$. The realizations of these geometric objects yield a bicovariant differential calculus on $U(\g_0)$ as a deformation of the standard calculus on the Euclidean space.

non-commutative spaces ; bicovariant differential calculus ; Lie superalgebras ; realizations

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Podaci o izdanju

58

2017.

071701-1-071701-17

objavljeno

0022-2488

10.1063/1.4991526

Povezanost rada

Fizika, Matematika

Poveznice
Indeksiranost