Keywords. Branched covering, covering move, colored braid, colored link, 3-manifold
AMS subject classification. Primary: 57M12. Secondary: 57M25.
Submitted: 16 November 2002. Accepted: 7 February 2003. Published: 17 February 2003. Corrected: 20 January 2004 (see page 138).
Department of Mathematics, University of California
Riverside CA 92521, USA
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