Permutational wreath pullbacks and framed braid-type groups

Ênio Leite, Oscar Ocampo

Let $\ddot{I}ƒ:G\to S_n$ be a surjective homomorphism and let $H$ be a group. We introduce the \emph{permutational wreath pullback} \[ H \wr_σG = H^n \rtimes_σG, \] where the act…