Let N be a complete hyperbolic 3-manifold that is an algebraic limit of geometrically finite hyperbolic 3-manifolds. We show N is homeomorphic to the interior of a compact 3-manifold, or tame, if one of the following conditions holds: 1. N has non-empty conformal boundary, 2. N is not homotopy equivalent to a compression body, or 3. N is a strong limit of geometrically finite manifolds. The first case proves Ahlfors’ measure conjecture for kleinian groups in the closure of the geometrically finite locus: given any algebraic limit of geometrically finite kleinian groups, the limit set of is either of Lebesgue measure zero or all of . Thus, Ahlfors’ conjecture is reduced to the density conjecture of Bers, Sullivan, and Thurston.
@article{PMIHES_2003__98__145_0,
author = {Brock, Jeffrey and Bromberg, Kenneth and Evans, Richard and Souto, Juan},
title = {Tameness on the boundary and {Ahlfors'} measure conjecture},
journal = {Publications Math\'ematiques de l'IH\'ES},
pages = {145--166},
year = {2003},
publisher = {Springer},
volume = {98},
doi = {10.1007/s10240-003-0018-y},
zbl = {1060.30054},
language = {en},
url = {https://www.numdam.org/articles/10.1007/s10240-003-0018-y/}
}
TY - JOUR AU - Brock, Jeffrey AU - Bromberg, Kenneth AU - Evans, Richard AU - Souto, Juan TI - Tameness on the boundary and Ahlfors' measure conjecture JO - Publications Mathématiques de l'IHÉS PY - 2003 SP - 145 EP - 166 VL - 98 PB - Springer UR - https://www.numdam.org/articles/10.1007/s10240-003-0018-y/ DO - 10.1007/s10240-003-0018-y LA - en ID - PMIHES_2003__98__145_0 ER -
%0 Journal Article %A Brock, Jeffrey %A Bromberg, Kenneth %A Evans, Richard %A Souto, Juan %T Tameness on the boundary and Ahlfors' measure conjecture %J Publications Mathématiques de l'IHÉS %D 2003 %P 145-166 %V 98 %I Springer %U https://www.numdam.org/articles/10.1007/s10240-003-0018-y/ %R 10.1007/s10240-003-0018-y %G en %F PMIHES_2003__98__145_0
Brock, Jeffrey; Bromberg, Kenneth; Evans, Richard; Souto, Juan. Tameness on the boundary and Ahlfors' measure conjecture. Publications Mathématiques de l'IHÉS, Tome 98 (2003), pp. 145-166. doi: 10.1007/s10240-003-0018-y
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