Lower central series of a Lie algebra
= Lower central series of a Lie algebra
{c}
{title2=$(\gamma_i(\mathfrak g))$}
{wiki=Central_series#Lower_central_series}
The lower central series is defined by $\gamma_1(\mathfrak g)=\mathfrak g$ and $\gamma_{i+1}(\mathfrak g)=[\mathfrak g,\gamma_i(\mathfrak g)]$.