Homological and homotopical higher-order filling functions

Robert Young
2011 Groups, Geometry, and Dynamics  
We construct groups in which FV 3 .n/ oe ı 2 .n/. This construction also leads to groups G k , k 3, for which ı k .n/ is not subrecursive. Mathematics Subject Classification (2010). 20F65, 57M07.
doi:10.4171/ggd/144 fatcat:dcma7tczpnhc5d4w7p456ie3ya