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On Nonabelian H2 for Profinite Groups

Published online by Cambridge University Press:  20 November 2018

K.-H. Ulbrich
K.-H. Ulbrich*
Affiliation:
Département de Mathématiques Université Paris-Nord 93430 Villetaneuse, France
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Abstract

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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).

Keywords

20J05
Type
Research Article
Information
Canadian Journal of Mathematics , Volume 43 , Issue 1 , 01 February 1991 , pp. 213 - 224
Copyright
Copyright © Canadian Mathematical Society 1991

References

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