2 problems
For a finitely generated group and , let denote its -isoperimetric profile, and let denote the corresponding -Følner fun…
Vershik's conjecture. There exist amenable groups whose Følner functions grow arbitrarily fast.
For a finitely generated group and , let denote its -isoperimetric profile, and let denote the corresponding -Følner fun…
Vershik's conjecture. There exist amenable groups whose Følner functions grow arbitrarily fast.