Cartesian products as profinite completions
classification
🧮 math.GR
math.RA
keywords
cartesianfinitelygeneratedgroupsprofinitealternatingcompletioncompletions
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We prove that if a Cartesian product of alternating groups is topologically finitely generated, then it is the profinite completion of a finitely generated residually finite group. The same holds for Cartesian producs of other simple groups under some natural restrictions.
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