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math.AG2003
Universal torsors and Cox rings
Brendan Hassett, Yuri Tschinkel
We study the equations of universal torsors on rational surfaces.
math.AG2003
Integral points and effective cones of moduli spaces of stable maps
Brendan Hassett, Yuri Tschinkel
Consider the Fulton-MacPherson configuration space of points on , which is isomorphic to a certain moduli space of stable maps to . We compute the cone of effective $…