The implicit equation of a tensor product surface with base points is computed as the gcd of maximal minors of a matrix derived from a virtual Eagon-Northcott complex, extending residual resultants to P1 x P1.
Notes Pure Appl
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Implicitization of tensor product surfaces via virtual projective resolutions
The implicit equation of a tensor product surface with base points is computed as the gcd of maximal minors of a matrix derived from a virtual Eagon-Northcott complex, extending residual resultants to P1 x P1.