On the cohomological dimension of Artin-Schreier structures

DOI10.1006/jabr.1993.1071zbMath0829.20042OpenAlexW2031731449MaRDI QIDQ1312870

Dan Haran

Publication date: 15 January 1996

Published in: Journal of Algebra (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/53b3c82f24200f06c641dec3d9286c1ef3fe7978

zbMATH Keywords

cohomologyinvolutionsprofinite groupsabsolute Galois groupsfinite extensions of free groupsArtin-Schreier structurescategory of pro-\(p\)-groupsfree pro-2-groupsfree pro-2-products

Mathematics Subject Classification ID

Cohomological dimension of fields (12G10) Extensions, wreath products, and other compositions of groups (20E22) Limits, profinite groups (20E18) Category of groups (20J15)

Related Items (5)

Finitely generated pro-\(2\) groups with a free subgroup of index \(2\) ⋮ On the cohomological characterization of real free pro-\(2\)-groups ⋮ Second countable virtually free pro-\(p\) groups whose torsion elements have finite centralizer ⋮ Cyclic extensions of free pro-\(p\) groups ⋮ Local-global principles for Witt rings

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