Geodesic
On Nonabelian H2 for Profinite Groups
Canadian journal of mathematics, Tome 43 (1991) no. 1, pp. 213-224

Voir la notice de l'article provenant de la source Cambridge University Press

Let G be a profinite group. We define an extension (E.j) of G by a group A to consist of an exact sequence of groups together with a section j : G → E of к satisfying: for some open normal subgroup S of G, and the map is continuous (A being discrete).
DOI : 10.4153/CJM-1991-011-8
Mots-clés : 20J05 
Ulbrich, K.-H. On Nonabelian H2 for Profinite Groups. Canadian journal of mathematics, Tome 43 (1991) no. 1, pp. 213-224. doi: 10.4153/CJM-1991-011-8
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