Lower central series and split extensions

This https://t.co/aCDxaD1b8D has been replaced. Links: https://t.co/4DgbvlZcic https://t.co/su4qDi8dMX https://t.co/sPxYFfM3Rn https://t.co/DzUiWTfQXA

split extensions with trivial monodromy on torsion-free abelianization. [4/4 of https://t.co/leHoii5SYy]

recover a well-known theorem of Falk-Randell regarding split extensions with trivial monodromy on abelianization and its mod-$p$ version due to Bellingeri-Gervais and prove an analogous result for the rational lower central series of [3/4 of https://t.co/l

work of Massuyeau and Guaschi-Pereiro, we describe these $N$-series and Lie algebras in the case when $G$ splits as a semidirect product, in terms of the relevant data for the factors and the monodromy action. As applications, we [2/4 of https://t.co/leHoi