paper

New realizations of Lie algebra kappa-deformed Euclidean space

arXiv:hep-th/0605133 · doi:10.1140/epjc/s2006-02584-8

Abstract

We study Lie algebra -deformed Euclidean space with undeformed rotation algebra and commuting vectorlike derivatives. Infinitely many realizations in terms of commuting coordinates are constructed and a corresponding star product is found for each of them. The -deformed noncommutative space of the Lie algebra type with undeformed Poincar{é} algebra and with the corresponding deformed coalgebra is constructed in a unified way.

30 pages, Latex, accepted for publication in Eur.Phys.J.C, some typos corrected

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