Moment zeta functions for toric calabi-yau hypersurfaces
- Author(s): Rojas-Leon, A
- Wan, D
- et al.
Published Web Locationhttps://doi.org/10.4310/CNTP.2007.v1.n3.a4
Moment zeta functions provide a diophantine formulation for the distribution of rational points on a family of algebraic varieties over finite fields. They also form algebraic approximations to Dwork's p-adic unit root zeta functions. In this paper, we use l-adic cohomology to calculate all the higher moment zeta functions for the mirror family of the Calabi-Yau family of smooth projective hypersurfaces over finite fields. Our main result is a complete determination of the purity decomposition and the trivial factors for the moment zeta functions.
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