The Dehn function of Richard Thompson's group $T$

Kun Wang, Zhu-Jun Zheng, Junhuai Zhang

V.S.Guba had proved that the R.Thompson group $T$ satisfies polynomial isoperimetric inequality and ${\Phi }_T(n)⪯n^7$, where ${\Phi }_T$ is the Dehn function of group $T$. In this pape…