Cartesian products as profinite completions

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.

Podrobná bibliografie
Hlavní autoři: Kassabov, M, Nikolov, N
Médium: Journal article
Jazyk:English
Vydáno: 2006
Popis
Shrnutí: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.