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math.GR2003
On sofic groups
G. Elek, E. Szabo
Answering some queries of Weiss, we prove that the free product and amenable extensions of sofic groups are sofic as well, and give an example of a finitely generated sofic group t…
math.GR2001
On the analytic zero divisor conjecture of Linnell
Gabor Elek
In this note we prove that in the case of finitely generated amenable groups the classical zero divisor conjecture implies the analytic zero divisor conjecture of Linnell.