Inverse Galois problem for ordinary curves

We consider the inverse Galois problem over function fields of positive characteristic p, for example, the inverse Galois problem over the projective line. We describe a method to construct certain Galois covers of the projective line and other curves, which are ordinary in the sense that their Jaco...

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Veröffentlicht in:arXiv.org 2017-05
1. Verfasser: van Bommel, Raymond
Format: Artikel
Sprache:eng
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Zusammenfassung:We consider the inverse Galois problem over function fields of positive characteristic p, for example, the inverse Galois problem over the projective line. We describe a method to construct certain Galois covers of the projective line and other curves, which are ordinary in the sense that their Jacobian has maximal p-torsion. We do this by constructing Galois covers of ordinary semi-stable curves, and then deforming them into smooth Galois covers.
ISSN:2331-8422
DOI:10.48550/arxiv.1704.07608