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Contractions of 3-dimensional representations of the Lie algebra $$\mathfrak{sl}(2)$$. (English) Zbl 1254.17026
The authors write down the $$\mathbb Z_3$$-graded contractions of the 3-dimensional irreducible representation of $$\mathfrak{sl}(2)$$ without identifying or discussing the result.
Reviewer’s remark: This material is old, and the calculation trivial. I do not understand how such a paper can slip by a referee. Already the second sentence of the abstract “In this theory, grading of the given Lie algebra is characterized by two sets of parameters satisfying a derived set of equations” should alarm every reader.