Normalization of the congruence of bitangents to a hypersurface in P3
A surface in the Grassmannian Gr(2, 4) is called a congruence. In this paper, we consider the normalization of the congruence of bitangents to a hypersurface in P3. We call it the Fano congruence of bitangents. We give a criterion for smoothness of the Fano congruence of bitangents and describe explicitly their degenerations in a general Lefschetz pencil in the space of hypersurfaces in P3. (c) 2022 Elsevier B.V. All rights reserved.
- Publisher
- ELSEVIER
- Issue Date
- 2023-02
- Language
- English
- Article Type
- Article
- Citation
JOURNAL OF PURE AND APPLIED ALGEBRA, v.227, no.2
- ISSN
- 0022-4049
- Appears in Collection
- MA-Journal Papers(저널논문)
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