Intersections of automorphism fixed subgroups in the free group of rank three.
Martino, A. (2004)
Algebraic & Geometric Topology
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Displaying similar documents to “Maximal index automorphisms of free groups with no attracting fixed points on the boundary are Dehn twists.”
Intersections of automorphism fixed subgroups in the free group of rank three.
Automorphisms and abstract commensurators of 2-dimensional Artin groups.
Crisp, John (2005)
Geometry & Topology
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Mapping tori of free group automorphisms are coherent.
Feighn, Mark, Handel, Michael (1999)
Annals of Mathematics. Second Series
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Commensurations of Out
Benson Farb, Michael Handel (2007)
Publications Mathématiques de l'IHÉS
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Let Out(F) denote the outer automorphism group of the free group F with >3. We prove that for any finite index subgroup Γ<Out(F), the group Aut(Γ) is isomorphic to the normalizer of Γ in Out(F). We prove that Γ is : every injective homomorphism Γ→Γ is surjective. Finally, we prove that the abstract commensurator Comm(Out(F)) is isomorphic to Out(F).
Automorphisms of free groups with boundaries.
Jensen, Craig A., Wahl, Nathalie (2004)
Algebraic & Geometric Topology
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Matroid automorphisms of the root system.
Fried, Stephanie, Gerek, Aydin, Gordon, Gary, Perunicic, Andrija (2007)
The Electronic Journal of Combinatorics [electronic only]
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Heuristics for the Whitehead minimization problem.
Haralick, R.M., Miasnikov, A.D., Myasnikov, A.G. (2005)
Experimental Mathematics
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Automorphisms of right-angled Coxeter groups.
Gutierrez, Mauricio, Kaul, Anton (2008)
International Journal of Mathematics and Mathematical Sciences
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Automorphisms of nearly finite Coxeter groups.
Franzsen, W.N., Howlett, R.B. (2003)
Advances in Geometry
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The Automorphism Group of the Free Algebra of Rank Two
Cohn, P. (2002)
Serdica Mathematical Journal
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The theorem of Czerniakiewicz and Makar-Limanov, that all the automorphisms of a free algebra of rank two are tame is proved here by showing that the group of these automorphisms is the free product of two groups (amalgamating their intersection), the group of all affine automorphisms and the group of all triangular automorphisms. The method consists in finding a bipolar structure. As a consequence every finite subgroup of automorphisms (in characteristic zero) is shown to be conjugate...