Rob Kropholler

University of Warwick


Dehn functions of coabelian subgroups of direct products of groups


Algebra Seminar


19th October 2022, 2:30 pm – 3:30 pm
Fry Building, 2.04


The class of coabelian subgroups of free groups provided many groups with interesting finiteness properties e.g. the Stallings-Bieri groups. For the finitely presented groups in this family we can study their Dehn functions. Various authors have worked on the case of the Stallings-Bieri groups. Building on these methods we give upper and lower bounds for Dehn functions of certain coabelian subgroups of direct products. This is joint work with Claudio Llosa Isenrich.





Organisers: Tim Burness, Charles Cox

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