Triangulating a Cappell-Shaneson knot complement
arXiv:1109.3899
Abstract
We show that one of the Cappell-Shaneson knot complements admits an extraordinarily small triangulation, containing only two 4-dimensional simplices.
9 pages, 5 figures. V2->V3: Primary figures now display a symmetry of order two. Attaching maps made "order-preserving". A new figure describing the dual 2-cells is included. Previous arguments simplified a little, due to the symmetry