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The Group <G,t|e> When G is Torsion-Free
In this paper we discuss classes of nontrivial elements in the group with a relative presentation <G, t \e >, where G is torsion free and e is solvable over G.
Equations with Torsion-Free Coefficients
(Cambridge University Press, 2001)
In this paper we generalize techniques used by Klyachko and the authors to prove some tessellation results about S-2. These results are applied to prove the solvability of certain equations with torsion-free coefficients.