Abstract:Let [Formula: see text] be the variety of polynilpotent Lie algebras of class row (c1, …, cn). The paper is devoted to present the concepts of polynilpotent multiplier [Formula: see text] and cover of a Lie algebra L with respect to the variety [Formula: see text], and compute [Formula: see text] for some known Lie algebras. Also, we determine the structure of all covers of Lie algebras whose polynilpotent multipliers are finite-dimensional, and investigate some common properties between covers.
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