Index realization for automorphisms of free groups
Résumé
The goal of this paper is to introduce a new tool, called long turns, which is a useful addition to the train track technology for auto-morphisms of free groups, in that it allows one to control periodic INPs in a train track map and hence the index of the induced automorphism.
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Coulbois-Lustig_index-realization_1506.04536v3.pdf (615.55 Ko)
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