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math.GR2024
Generalised Triangle Groups of Type (2,4,2)
James Howie
A conjecture of Rosenberger says that a group of the form (with ) is either virtually solvable or contains a non-abelian free subgroup.…
math.GR2011
Generalised triangle groups of type (3,5,2)
James Howie
If G is a group with a presentation of the form < x,y|x^3=y^5=W(x,y)^2=1 >, then either G is virtually soluble or G contains a free subgroup of rank 2. This provides additional evi…
math.GR2010
Generalised triangle groups of type (3,3,2)
James Howie
If G is a group with a presentation of the form < x,y|x^3=y^3=W(x,y)^2=1 >, then either G is virtually soluble or G contains a free subgroup of rank 2. This provides additional evi…