Article Dans Une Revue Illinois Journal of Mathematics Année : 2015

Long turns, INP’s and indices for free group automorphisms

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 automorphisms 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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Dates et versions

hal-01482585 , version 1 (03-03-2017)

Identifiants

  • HAL Id : hal-01482585 , version 1

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Martin Lustig, Thierry Coulbois. Long turns, INP’s and indices for free group automorphisms. Illinois Journal of Mathematics, 2015, 59 (4), pp.1087-1109. ⟨hal-01482585⟩
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