Andres Fernandez Herrero

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math.AG2025

Quantum operations on the ring of symmetric functions

Daniel Halpern-Leistner, Andres Fernandez Herrero

We define a version of stable maps into the classifying stack $B GL_{N}$ , and develop a corresponding notion of $K$ -theoretic Gromov-Witten invariants. In this setting, the e…

math.AG2024

Projectivity of the moduli of equidimensional branchvarieties

Daniel Halpern-Leistner, Andres Fernandez Herrero, Trevor Jones +1

We resolve an open problem posed by Alexeev-Knutson on the projectivity of the moduli of branchvarieties in the equidimensional case. As an application, we construct projective mod…