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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…
math.GT2001
Small Covers of the Dodecahedron and the 120-cell
A. Garrison, R. Scott
Let P be the right-angled dodecahedron or 120-cell in hyperbolic space, and let W be the group generated by reflections across codimension-one faces of P. We prove that if Gamma is…