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math.AG2002
Implicitization of surfaces in P^3 in the presence of base points
Laurent Buse, David Cox, Carlos D'Andrea
We show that the method of moving quadrics for implicitizing surfaces in P^3 applies in certain cases where base points are present. However, if the ideal defined by the parametriz…
math.AG2000
Equations of Parametric Surfaces via Syzygies
David A. Cox
The revised version has two additional references and a shorter proof of Proposition 5.7. This version also makes numerous small changes and has an appendix containing a proof of t…
math.AG2000
Virtual Fundamental Classes of Zero Loci
David A. Cox, Sheldon Katz, Yuan-Pin Lee
Let V be a convex vector bundle over a smooth projective manifold X, and let Y be the subset of X which is the zero locus of a regular section of V. This mostly expository paper di…