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Stability of Tschirnhausen Bundles

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journal contribution
posted on 2024-04-02, 23:45 authored by Izzet CoskunIzzet Coskun, Eric Larson, Isabel Vogt
Let α: X → Y be a general degree r primitive map of nonsingular, irreducible, projective curves over an algebraically closed field of characteristic zero or larger than r. We prove that the Tschirnhausen bundle of α is semistable if g(Y) ≥ 1 and stable if g(Y) ≥ 2.

Funding

Bridgeland stability, moduli spaces and applications | Funder: National Science Foundation | Grant ID: DMS-2200684

FRG: Collaborative Research: Bridgeland Stability, Moduli Spaces and Birational Geometry | Funder: National Science Foundation | Grant ID: DMS-1664296

Bridgeland stability, moduli spaces and applications | Funder: National Science Foundation | Grant ID: 2200684

History

Citation

Coskun, I., Larson, E.Vogt, I. (2024). Stability of Tschirnhausen Bundles. International Mathematics Research Notices, 2024(1), 597-612. https://doi.org/10.1093/imrn/rnad075

Publisher

Oxford University Press (OUP)

Language

  • en

issn

1687-3017