Barth–Nieto_quintic

Barth–Nieto quintic

Barth–Nieto quintic

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In algebraic geometry, the Barth–Nieto quintic is a quintic 3-fold in 4 (or sometimes 5) dimensional projective space studied by Wolf Barth and Isidro Nieto (1994) that is the Hessian of the Segre cubic.

Definition

The Barth–Nieto quintic is the closure of the set of points (x0:x1:x2:x3:x4:x5) of P5 satisfying the equations

Properties

The Barth–Nieto quintic is not rational, but has a smooth model that is a modular Calabi–Yau manifold with Kodaira dimension zero. Furthermore, it is birationally equivalent to a compactification of the Siegel modular variety A1,3(2).[1]

References

  1. [1]
    Hulek, Klaus; Sankaran, Gregory K. (2002). "The geometry of Siegel modular varieties". Higher dimensional birational geometry (Kyoto, 1997). Advanced Studies in Pure Mathematics. Vol. 35. Tokyo: Math. Soc. Japan. pp. 89–156. doi:10.2969/aspm/03510089. MR 1929793.
  • Barth, Wolf; Nieto, Isidro (1994), "Abelian surfaces of type (1,3) and quartic surfaces with 16 skew lines", Journal of Algebraic Geometry, 3 (2): 173–222, ISSN 1056-3911, MR 1257320


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