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*A non-Z-compactifiable polyhedron whose product with the Hilbert cube is Z-compactifiable*, Fund. Math. 168(2001), 165-197. (PDF) *Compacta with shapes of finite complexes: A direct approach to the Edwards-Geoghegan-Wall obstruction*, preprint, 12 pages. (PDF)*Manifolds with non-stable fundamental groups at infinity*, II, Geometry and Topology 7(2003), 255-286 (with F. Tinsley). (to article)*On the fundamental groups of trees of manifolds*, Pacific J. Math., 221, No.1(2005), 49-79 (with H. Fischer).*Manifolds with non-stable fundamental groups at infinity*, III, Geometry and Topology, 10(2006) 541-556 (with F. Tinsley).(to article)*A solution to de Groot’s absolute cone conjecture*, Topology, 46, No.2 (2007) 89-102. (PDF)*Products of open manifolds with*, Fund. Math., Fund. Math. 197 (2007), 197-214. (PDF)**R***An elementary deduction of the Topological Radon Theorem from Borsuk-Ulam*, Discrete Comput. Geom. 43 (2010), no. 4, 951–954. (PDF)*Topological properties of spaces admitting free group actions*, J. of Topol. 5 (2012), no.2, 249-275 (with R. Geoghegan). (to article)*Cell-like equivalences for boundaries of certain CAT(0) groups*, Geom. Dedicata 160 (2012), 119-145. (with C.P. Mooney)(to article)(to arXiv version)*Spherical alterations of handles: embedding the manifold plus construction*, Algebr. Geom. Topol. 13 (2013) 35-60. (with F. Tinsley).(arXiv version)*On the dimension of Z-sets*,Topology Appl. 160 (2013), no.13, 1849-1852 (with C. Tirel).(arXiv version)*Weak Z-structures on some classes of groups*, Algebr. Geom. Topol. 14 (2014), no. 2, 1123–1152. (arXiv version)*Boundaries of Croke–Kleiner-admissible groups and equivariant cell-like equivalence*, Journal of Topology 2014; doi: 10.1112/jtopol/jtu007. (with C.P. Mooney). (to article)*Ends, shapes and boundaries in manifold topology and geometric group theory*, to appear in Springer Lecture Notes volume devoted to the OSU Special Year in Topology. (arXiv version)*Manifolds that are inward tame at infinity*, in preparation (with F. Tinsley).*The Croke-Kleiner boundaries are cell-like equivalent*, preprint (with F.D. Ancel and J. Wilson).