Mathematics – Quantum Algebra
Scientific paper
2000-07-27
J.Math.Phys. 44 (2003) 1297-1321
Mathematics
Quantum Algebra
LaTex file, 29 pages
Scientific paper
10.1063/1.1522818
We show that the braided tensor product algebra $A_1\underline{\otimes}A_2$ of two module algebras $A_1, A_2$ of a quasitriangular Hopf algebra $H$ is equal to the ordinary tensor product algebra of $A_1$ with a subalgebra of $A_1\underline{\otimes}A_2$ isomorphic to $A_2$, provided there exists a realization of $H$ within $A_1$. In other words, under this assumption we construct a transformation of generators which `decouples' $A_1, A_2$ (i.e. makes them commuting). We apply the theorem to the braided tensor product algebras of two or more quantum group covariant quantum spaces, deformed Heisenberg algebras and q-deformed fuzzy spheres.
Fiore Gaetano
Steinacker Harold
Wess Julius
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