On Purity of Inertia

DOI10.2307/2048721zbMath0743.14014OpenAlexW4233486844MaRDI QIDQ3971328

David Harbater

Publication date: 25 June 1992

Full work available at URL: https://doi.org/10.2307/2048721

zbMATH Keywords

purityinertia groupsbranch locus of a normal cover of a regular schemefundamental group of the affine line in finite characteristic

Mathematics Subject Classification ID

Arithmetic ground fields for curves (14H25) Local ground fields in algebraic geometry (14G20) Coverings of curves, fundamental group (14H30) Coverings in algebraic geometry (14E20) Ramification problems in algebraic geometry (14E22)

Related Items (2)

Abhyankar's conjecture on Galois groups over curves ⋮ Abhyankar’s conjectures in Galois theory: Current status and future directions

Cites Work

• Extensions régulières de \({\mathbb{Q}}(T)\) de groupe de Galois \(\tilde A_ n\). (Regular extensions of \({\mathbb{Q}}(T)\) with Galois group \(\tilde A_ n)\)
• Local uniformization on algebraic surfaces over ground fields of characteristic \(p\neq 0\)
• Coverings of Algebraic Curves
• Endliche Gruppen I
• On the Ramification of Algebraic Functions
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