Relatively projective profinie groups

2022/09/29 by Zalesskii, Pavel
#FOS: Mathematics #Group Theory (math.GR)

paper · doi:10.48550/arxiv.2209.14648

Abstract

We give a homological characterisation of relatively prosolvable projective groups.

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• Relatively projective groups as absolute Galois groups
• Projective pairs of profinite groups
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• The projective dimension of profinite modules for pro-p groups