Mitra, Mahan (1999) On a theorem of Scott and Swarup Proceedings of the American Mathematical Society, 127 (6). pp. 16251631. ISSN 00029939

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Abstract
Let 1 → H → G → Z → 1 be an exact sequence of hyperbolic groups induced by an automorphism Φ of the free group H. Let H_{1}(⊂ H) be a finitely generated distorted subgroup of G. Then there exist N > 0 and a free factor K of H such that the conjugacy class of K is preserved by Φ^{N} and H_{1} contains a finite index subgroup of a conjugate of K. This is an analog of a Theorem of Scott and Swarup for surfaces in hyperbolic 3manifolds.
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Deposited On:  28 Apr 2012 12:56 
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