Papers (PDF format – you will need Adobe’s free Acrobat Reader to view these)

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A few methods for fitting circles to data (joint with D. Umbach; IEEE Trans. on Instr. and Meas., to appear)

Vol3 and other exceptional hyperbolic 3-manifolds (joint with A. Reid; Proc. AMS, vol. 129, no. 7, 2175-2185, 2000)

The arithmetic hyperbolic 3-manifold of smallest volume (joint with T. Chinburg, E. Friedman, A. Reid; Ann. Scuola Norm. Sup. Pisa, 30, 1-40, 2001)

Geodesic intersections in arithmetic hyperbolic 3-manifolds (joint with A. Reid; Duke Math. J., vol. 89, no. 1, 75-86, 1997)

Minimal index torsion-free subgroups of Kleinian groups (joint with A. Reid; Math. Ann. 310, 235-250, 1998)

Non-simple geodesics in hyperbolic 3-manifolds (joint with A. Reid; Math. Proc. Cam. Phil. Soc., 116, 339-351, 1994)

Geometric structures on branched covers over universal links (Contemp. Math., 194, 47-58, 1994)

A norm on the fundamental group of non-Haken 3-manifolds (Proc. AMS, vol. 120, no. 1, 305-309, 1994)

The structure of closed nonpositively curved Euclidean cone 3-manifolds (Pac. J. Math., vol. 163, no. 2, 297-313, 1994)

Injectively immersed tori in branched covers over the figure eight knot (Proc. Edinburgh Math. Soc., 36, 231-259, 1993)

Hyperbolic structures on branched covers over hyperbolic links.