Computing the Chow variety of quadratic space curves
Abstract
Quadrics in the Grassmannian of lines in 3-space form a 19-dimensional
projective space. We study the subvariety of coisotropic hypersurfaces.
Following Gel'fand, Kapranov and Zelevinsky, it decomposes into Chow forms of
plane conics, Chow forms of pairs of lines, and Hurwitz forms of quadric
surfaces. We compute the ideals of these loci.
Origin : Files produced by the author(s)
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