Melissa L. Macasieb, Kathleen L. Petersen, Ronald M. van Luijk
Published 2009-02-12Version 1
We find explicit models for the PSL(2,C)- and SL(2,C)-character varieties of the fundamental groups of complements in S^3 of an infinite family of two-bridge knots that contains the twist knots. We compute the genus of the components of these character varieties, and deduce upper bounds on the degree of the associated trace fields. We also show that these knot complements are fibered if and only if they are commensurable to a fibered knot complement in a Z/2Z-homology sphere, resolving a conjecture of Hoste and Shanahan.
Comments: 36 pages, 4 figures
The Groups $G_{n}^{k}$ and Fundamental Groups of Configuration Spaces
Quantum deformations of fundamental groups of oriented 3-manifolds
Some families of minimal elements for the partial ordering on prime knots
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