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math.AG2025
Continuous Linear Series
Eduardo Esteves, Antonio Nigro, Pedro Rizzo
We parameterize by a fine moduli space all degenerations of linear series to a singular curve which is the union of two smooth components meeting transversally at a single point. F…
math.AG2019
Minuscule Schubert calculus and the geometric Satake correspondence
Dave Anderson, Antonio Nigro
We describe a relationship between work of Laksov, Gatto, and their collaborators on realizations of (generalized) Schubert calculus of Grassmannians, and the geometric Satake corr…
math.AG2016
Level- limit linear series
Eduardo Esteves, Antonio Nigro, Pedro Rizzo
We introduce the notion of level- limit linear series, which describe limits of linear series along families of smooth curves degenerating to a singular curve . We treat here…