Optimality of the Prym-Tyurin construction for $\mathcal{A}_6$
Philip Engel, Olivier de Gaay Fortman, Stefan Schreieder·2025-12-04·via math.CO updates on arXiv.org
We prove that on a very general principally polarized abelian 6-fold, the smallest multiple of the minimal curve class which can be represented by an algebraic cycle is 6.