Jeremy Feusi

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math.AG2026

Weight decomposition for toroidal abelian fibrations

Younghan Bae, Jeremy Feusi, Aitor Iribar Lopez +1

We study the action of the rational multiplication by $N$ map on the Chow groups of degenerations of principally polarized abelian varieties of torus rank at most one, as well as i…

math.AG2026

Birational Classification of Orbifold Compactified Jacobians

Jeremy Feusi, Sam Molcho

We study the equivariant orbifold birational classification problem for families of toroidal compactifications of a group $G$ over a toroidal base, in the cases where $G$ is an alg…

math.AG2026

Torelli loci, product cycles, and the homomorphism conjecture for $A_{g}$

Samir Canning, Lycka Drakengren, Jeremy Feusi +7

The tautological $Q$ -subalgebra $R^{*} (A_{g}) \subset CH^{*} (A_{g})$ of the Chow ring of the moduli space of principally polarized abelian va…

Weight decomposition for toroidal abelian fibrations

Birational Classification of Orbifold Compactified Jacobians

Torelli loci, product cycles, and the homomorphism conjecture for Ag​

Torelli loci, product cycles, and the homomorphism conjecture for $A_{g}$