TY - JOUR AU - Michael Magee TI - Quantitative spectral gap for thin groups of hyperbolic isometries JO - Journal of the European Mathematical Society PY - 2015 SP - 151 EP - 187 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/500/ DO - 10.4171/jems/500 ID - JEMS_2015_17_1_a3 ER -