Rational cubic fourfolds in Hassett divisors
We prove that every Hassett’s Noether–Lefschetz divisor of special cubic fourfolds contains a union of three subvarieties parametrizing rational cubic fourfolds, of codimension-two in the moduli space of smooth cubic fourfolds.
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Académie des sciences
2020-06-01
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Series: | Comptes Rendus. Mathématique |
Online Access: | https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.5802/crmath.4/ |