On characterizing nilpotent Lie algebra by their multiplier, $ s(L)=6, 7

A. Shamsaki, P. Niroomand

Let $L$ be an $n$-dimensional non-abelian nilpotent Lie algebra and $s(L)=\frac{1}{2}(n-1)(n-2)+1-\dim \mathcal{M}(L)$ where $\mathcal{M}(L)$ is the Schur multiplier of a L…