If a closed, orientable hyperbolic 3–manifold M has volume at most 1.22 then H1(M; ℤp) has dimension at most 2 for every prime p≠2,7, and H1(M; ℤ2) and H1(M; ℤ7) have dimension at most 3. The proof combines several deep results about hyperbolic 3–manifolds. The strategy is to compare the volume of a tube about a shortest closed geodesic C ⊂ M with the volumes of tubes about short closed geodesics in a sequence of hyperbolic manifolds obtained from M by Dehn surgeries on C.
Agol, Ian  1 ; Culler, Marc  1 ; Shalen, Peter B  1
@article{10_2140_agt_2006_6_2297,
author = {Agol, Ian and Culler, Marc and Shalen, Peter B},
title = {Dehn surgery, homology and hyperbolic volume},
journal = {Algebraic and Geometric Topology},
pages = {2297--2312},
year = {2006},
volume = {6},
number = {5},
doi = {10.2140/agt.2006.6.2297},
url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.2297/}
}
TY - JOUR AU - Agol, Ian AU - Culler, Marc AU - Shalen, Peter B TI - Dehn surgery, homology and hyperbolic volume JO - Algebraic and Geometric Topology PY - 2006 SP - 2297 EP - 2312 VL - 6 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.2297/ DO - 10.2140/agt.2006.6.2297 ID - 10_2140_agt_2006_6_2297 ER -
Agol, Ian; Culler, Marc; Shalen, Peter B. Dehn surgery, homology and hyperbolic volume. Algebraic and Geometric Topology, Tome 6 (2006) no. 5, pp. 2297-2312. doi: 10.2140/agt.2006.6.2297
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