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math.GR2004
Discrete RP groups with a parabolic generator
E. Klimenko, N. Kopteva
We deal with two-generator subgroups of PSL(2,C) with real traces of both generators and their commutator. We give discreteness criteria for these groups when at least one of the g…
math.GR2003
All discrete RP groups with non--loxodromic generators
E. Klimenko, N. Kopteva
In this paper we give necessary and sufficient conditions for discreteness of a group generated by a hyperbolic element and an elliptic one of odd order. This completes the classif…