Modular Forms and Special Cubic Fourfolds

Abstract

We study the degree of the special cubic fourfolds in the Hilbert scheme of cubic fourfolds via a computation of the generating series of Heegner divisors of even lattice of signature (2, 20).

13 pages

References in corpus (2)

• Gromov-Witten theory and Noether-Lefschetz theory
• Picard groups of Siegel modular threefolds and theta lifting