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ON THE 5D DIFFERENTIAL CALCULUS AND TRANSLATION TRANSFORMATIONS IN 4D κ-MINKOWSKI NONCOMMUTATIVE SPACE–TIME
https://doi.org/10.1142/S0217751X09046394Cited by:9 (Source: Crossref)
Abstract
We perform a Noether analysis for a description of translation transformations in 4D κ-Minkowski noncommutative space–time which is based on the structure of a 5D differential calculus. The techniques that had been previously developed for a description of translation transformations based on a 4D differential calculus turn out to be applicable without any modification, and they allow us to show that the basis usually adopted for the 5D calculus does not take into account certain aspects of the structure of time translations in κ-Minkowski. We propose a change of basis for the 5D calculus which leads to a more intuitive description of time translations.
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