Let rm and rM be the least and greatest finite boundary slopes of a hyperbolic knot K in S3. We show that any cyclic surgery slopes of K must lie in the interval (rm − 1∕2,rM + 1∕2).
Mattman, Thomas W  1
@article{10_2140_agt_2005_5_741,
author = {Mattman, Thomas W},
title = {Boundary slopes (nearly) bound cyclic slopes},
journal = {Algebraic and Geometric Topology},
pages = {741--750},
year = {2005},
volume = {5},
number = {2},
doi = {10.2140/agt.2005.5.741},
url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2005.5.741/}
}
Mattman, Thomas W. Boundary slopes (nearly) bound cyclic slopes. Algebraic and Geometric Topology, Tome 5 (2005) no. 2, pp. 741-750. doi: 10.2140/agt.2005.5.741
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