A finitely-generated amenable group with very poor compression into Lebesgue spaces
arXiv:0909.2047 · doi:10.1215/00127094-1415860
Abstract
We construct an example of a finitely-generated amenable group that does not admit any coarse 1-Lipschitz embedding with positive compression exponent into L_p for any 1 \leq p < \infty, answering positively a question of Arzhantseva, Guba and Sapir.
36 pages; [TDA, April 5th 2011:] modified slightly following referee reports