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math.AG2002
Geometry of the tetrahedron space
Eric Babson, Paul E. Gunnells, Richard Scott
Let X^{circ} be the space of all labeled tetrahedra in P^{3}. In [BGS] we constructed a smooth symmetric compactification X-tilde of X^{circ}. In this article we show that the comp…
math.GT2002
Fundamental Groups of Blow-ups
M. Davis, T. Januszkiewicz, R. Scott
Many examples of nonpositively curved closed manifolds arise as blow-ups of projective hyperplane arrangements. If the hyperplane arrangement is associated to a finite reflection g…