Commutator Subgroups of Welded Braid Groups

Soumya Dey, Krishnendu Gongopadhyay

Let $W{B}_n$ be the welded (or loop) braid group on n strands, $n\ge 3$. We investigate commutator subgroup of $W{B}_n$. We prove that the commutator subgroup $W{B}_n^{\prime }$ is finitely gen…