A (log n)Omega(1) Integrality Gap for the Sparsest Cut SDP. - Jeff Cheeger; Bruce Kleiner; Assaf Naor (FOCS, 2009)

A $( log n)^{ Omega(1)}$ integrality gap for the Sparsest Cut SDP - Jeff Cheeger; Bruce Kleiner; Assaf Naor (CoRR, 2009)

Compression bounds for Lipschitz maps from the Heisenberg group to L1 - Jeff Cheeger; Bruce Kleiner; Assaf Naor (CoRR, 2009)