22 citations · 22 across the 6 of their papers we have counts for
Showing 1998Show all
2 papers · 1 filter
math.GT1998
On quasi-transitive amenable graphs
Gabor Elek, Gabor Tardos
The existence of nonconstant harmonic Dirichlet functions on a Cayley graph of a discrete group is equivalent to the nonvanishing of the first L2-cohomology of the given group. It…
math.DS1998
The Euler characteristic of discrete groups and Yuzvinskii's entropy addition formula
Gabor Elek
The notion of topological entropy is originally defined for a single action. Later it was extended by Kieffer for arbitrary discrete amenable groups. Recently Friedland defined top…