We compute the Brauer group of the universal moduli stack of vector bundles on (possibly marked) smooth curves of genus at least three over the complex numbers. As consequence, we obtain an explicit description of the Brauer group of the smooth locus of the associated moduli space of semistable vector bundles, when the genus is at least four.
The Brauer Group of the Universal Moduli Space of Vector Bundles Over Smooth Curves / Fringuelli, Roberto; Pirisi, Roberto. - In: INTERNATIONAL MATHEMATICS RESEARCH NOTICES. - ISSN 1073-7928. - 2021:18(2021), pp. 13609-13644. [10.1093/imrn/rnz300]
The Brauer Group of the Universal Moduli Space of Vector Bundles Over Smooth Curves
Pirisi, RobertoCo-primo
2021
Abstract
We compute the Brauer group of the universal moduli stack of vector bundles on (possibly marked) smooth curves of genus at least three over the complex numbers. As consequence, we obtain an explicit description of the Brauer group of the smooth locus of the associated moduli space of semistable vector bundles, when the genus is at least four.File allegati a questo prodotto
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