Class of discriminant for $\mathrm{Sp}(2n)$ Hitchin spectral covers

arXiv2005.05644MaRDI QIDQ6340528

Michael Lee Baker

Publication date: 12 May 2020

Abstract: We define the universal Hitchin discriminants in the case of $mathrmSp(2n)$ Hitchin spectral covers, describe their components, and express their divisor classes in terms of standard generators of the rational Picard group of the moduli spaces of such spectral covers with variable base curve.

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