Torelli loci, product cycles, and the homomorphism conjecture for ${\mathcal{A}}_g$

Samir Canning, Lycka Drakengren, Jeremy Feusi +7

The tautological $\mathbb{Q}$-subalgebra ${\mathsf{R}}^{\ast }({\mathcal{A}}_g)\subset {\mathsf{CH}}^{\ast }({\mathcal{A}}_g)$ of the Chow ring of the moduli space of principally polarized abelian va…