Expansion and random walks in : II

  • Jean Bourgain

    Institute for Advanced Study, Princeton, United States
  • Alex Gamburd

    University of California at Santa Cruz, United States


We prove that Cayley graphs of are expanders with respect to the projection of any fixed elements in generating a Zariski dense subgroup.

Cite this article

Jean Bourgain, Alex Gamburd, Expansion and random walks in : II. J. Eur. Math. Soc. 11 (2009), no. 5, pp. 1057–1103

DOI 10.4171/JEMS/175