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math.AG2025
Chow Rings of Hurwitz Spaces with Marked Ramification
Emily Clader, Zhengning Hu, Hannah Larson +2
The Hurwitz space is a compactification of the space of smooth genus- curves with a simply-branched degree- map to . In this pape…
math.AG2025
Holomorphic forms and non-tautological cycles on moduli spaces of curves
Veronica Arena, Samir Canning, Emily Clader +4
We prove, for infinitely many values of and , the existence of non-tautological algebraic cohomology classes on the moduli space of smooth, genus-, $n…