Mathematics – Group Theory
Scientific paper
2009-02-12
Mathematics
Group Theory
5 pages. Updated reference
Scientific paper
We show that there is no algorithm deciding whether the maximal residually free quotient of a given finitely presented group is finitely presentable or not. Given a finitely generated subgroup G of a finite product of limit groups, we discuss the possibility of finding an explicit set of defining equations (i.e. of expressing G as the maximal residually free quotient of an explicit finitely presented group).
Guirardel Vincent
Levitt Gilbert
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