On the structure of groups defined by Kim and Manturov

Carl-Fredrik Nyberg-Brodda, Takuya Sakasai, Yuuki Tadokoro +1

We study the structure of a series of groups ${\Gamma }_n^4$ defined by Kim and Manturov. We show that the groups are finite for all $n\ge 6$ and in fact they are 2-step nilpotent $2$-gro…