Alexander Schmidt and Kay Wingberg: Extensions of profinite duality groups
Authors: Alexander Schmidt and Kay Wingberg
Title: Extensions of profinite duality groups
Year: 2008
Pages: 7
Preprint:pdf-file
Abstract: We show that the class of profinite duality groups is
closed under group extensions provided that the kernel
satisfies some finiteness condition. This extends earlier
results of Pletch and of Wingberg.