We study smooth quadric surfaces in the Pfaan hypersurface in P^14 parameterising 6x6 skew-symmetric matrices of rank at most 4, not intersecting its singular locus. Such surfaces correspond to quadratic systems of skew-symmetric matrices of size 6 and constant rank 4, and give rise to a globally generated vector bundle E on the quadric. We analyse these bundles and their geometry, relating them to linear congruences in P^5.
Quadric surfaces in the Pfaffian hypersurface in P^14
Maria Lucia Fania;
2022-01-01
Abstract
We study smooth quadric surfaces in the Pfaan hypersurface in P^14 parameterising 6x6 skew-symmetric matrices of rank at most 4, not intersecting its singular locus. Such surfaces correspond to quadratic systems of skew-symmetric matrices of size 6 and constant rank 4, and give rise to a globally generated vector bundle E on the quadric. We analyse these bundles and their geometry, relating them to linear congruences in P^5.File in questo prodotto:
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