Math Subject Class: 14M15, 14M17
Abstract: We construct a compactification of the space of all labelled $n$-simplices in $\Proj ^{n}$, and show that our space is smooth in the case of tetrahedra in $\Proj ^{3}$.
@misc{math.AG/9910049,
title = {A smooth space of tetrahedra},
author = {Eric Babson and Paul E. Gunnells and Richard Scott},
eprint = {math.AG/9910049}}