On the sectional irregularity of congruences

DOI10.1007/BF02568304zbMath0898.14016MaRDI QIDQ1922566

Ignacio Sols, Luis Giraldo

Publication date: 1 November 1998

Published in: Manuscripta Mathematica (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/156192

zbMATH Keywords

congruenceGrassmann varietyintegral surfacebidegreeChow classsectional irregularity

Mathematics Subject Classification ID

Grassmannians, Schubert varieties, flag manifolds (14M15) Congruence and orthogonality in metric geometry (51F20) Synthetic treatment of fundamental manifolds in projective geometries (Grassmannians, Veronesians and their generalizations) (51M35)

Cites Work

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• The distribution of bidegrees of smooth surfaces in \(Gr(1,\mathbb{P}^ 3)\)
• Liaison des variétés algébriques. I
• Surfaces of bidegree \((3,n)\) in \(\text{Gr}(1,\mathbb{P}^ 3)\)
• Surfaces of degree 10 in the Grassmannian of lines in 3-space.
• On congruences of lines in the projective space (Chapter 6 written in collaboration with M. Pedreira)
• Algebraic Families on an Algebraic Surface

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