Keywords. Rank one geodesic, cubical complex, nonpositive curvature
AMS subject classification. Primary: 20F65, 20F67. Secondary: 53C20.
Submitted: 19 September 2003. (Revised: 14 May 2004.) Accepted: 2 August 2004. Published: 20 August 2004.
Department of Mathematical Sciences, University of Cincinnati
Cincinnati, OH 45221, USA
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