4 papers · 1 filter
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…
Elliptic functions and equations of modular curves
Lev Borisov, Paul Gunnells, Sorin Popescu
Let be a prime. We show that the space of weight one Eisenstein series defines an embedding into $\PP^{(p-3)/2}$ of the modular curve for the congruence group $Γ_…
Wonderful blowups associated to group actions
Lev A. Borisov, Paul E. Gunnells
A group action on a smooth variety provides it with the natural stratification by irreducible components of the fixed point sets of arbitrary subgroups. We show that the correspond…
A smooth space of tetrahedra
Eric Babson, Paul E. Gunnells, Richard Scott
We construct a smooth symmetric compactification of the space of all labeled tetrahedra in P^3.