On groups whose subgroups are closed in the profinite topology. (Q1004451)

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scientific article; zbMATH DE number 5527471
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On groups whose subgroups are closed in the profinite topology.
scientific article; zbMATH DE number 5527471

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    On groups whose subgroups are closed in the profinite topology. (English)
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    10 March 2009
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    From the summary: A group is called extended residually finite (ERF) if every subgroup is closed in the profinite topology. The ERF-property is studied for nilpotent groups, soluble groups, locally finite groups and FC-groups. A complete characterization is given of FC-groups which are ERF.
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    extended residually finite groups
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    profinite topology
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    FC-groups
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