2 papers
math.GR2025
Complete classification of the Dehn functions of Bestvina-Brady groups
Yu-Chan Chang, Jerónimo GarcÃa-MejÃa, Matteo Migliorini
We prove that the Dehn function of every finitely presented Bestvina-Brady group grows as a linear, quadratic, cubic, or quartic polynomial. In fact, we provide explicit criteria o…
math.GR2024
Thompson's group T has quadratic Dehn function
Matteo Migliorini
We prove that Thompson's group and, more generally, all the Higman-Thompson groups have quadratic Dehn function.