AbstractWe are interested in isometric actions of a fixed finitely generated group on R-trees. Using metric methods inspired by Gromov's work, we define a more geometric topology on sets of such objects. We prove it to be the same as the Morgan-Shalen topology, defined by the translation lengths of the group elements, in the case of minimal irreducible actions
La dimension topologique moyenne est un invariant numérique d'actions de groupes moyennables introdu...
International audienceMotivated by the work of Leininger on hyperbolic equivalence of homotopy class...
Tree-graded spaces are generalizations of R-trees. They appear as asymptotic cones of groups (when t...
AbstractWe are interested in isometric actions of a fixed finitely generated group on R-trees. Using...
Abstract. We define geometric group actions on R-trees, as dual to a measured foliation on a 2-compl...
AbstractWe prove that every length space X is the orbit space (with the quotient metric) of an R-tre...
In this paper we consider group actions on generalized treelike structures (termed ‘pretrees’) defin...
Abstract: The theorem of Rips about free actions on R-trees relies on a careful analysis of finite s...
Abstract. The set of homotopy classes of based paths in the Hawaiian ear-ring has a natural R-tree s...
AbstractWe prove that every length space X is the orbit space (with the quotient metric) of an R-tre...
La dimension topologique moyenne est un invariant numérique d'actions de groupes moyennables introdu...
An A-tree is a metric space in which any two points are joined by a unique arc. Every arcis isometri...
La dimension topologique moyenne est un invariant numérique d'actions de groupes moyennables introdu...
Let G be a finitely generated group. We give a new characteriza-tion of its Bieri- Neumann-Strebel i...
In this thesis we investigate the geometric properties of quasi-trees, and study product set growth ...
La dimension topologique moyenne est un invariant numérique d'actions de groupes moyennables introdu...
International audienceMotivated by the work of Leininger on hyperbolic equivalence of homotopy class...
Tree-graded spaces are generalizations of R-trees. They appear as asymptotic cones of groups (when t...
AbstractWe are interested in isometric actions of a fixed finitely generated group on R-trees. Using...
Abstract. We define geometric group actions on R-trees, as dual to a measured foliation on a 2-compl...
AbstractWe prove that every length space X is the orbit space (with the quotient metric) of an R-tre...
In this paper we consider group actions on generalized treelike structures (termed ‘pretrees’) defin...
Abstract: The theorem of Rips about free actions on R-trees relies on a careful analysis of finite s...
Abstract. The set of homotopy classes of based paths in the Hawaiian ear-ring has a natural R-tree s...
AbstractWe prove that every length space X is the orbit space (with the quotient metric) of an R-tre...
La dimension topologique moyenne est un invariant numérique d'actions de groupes moyennables introdu...
An A-tree is a metric space in which any two points are joined by a unique arc. Every arcis isometri...
La dimension topologique moyenne est un invariant numérique d'actions de groupes moyennables introdu...
Let G be a finitely generated group. We give a new characteriza-tion of its Bieri- Neumann-Strebel i...
In this thesis we investigate the geometric properties of quasi-trees, and study product set growth ...
La dimension topologique moyenne est un invariant numérique d'actions de groupes moyennables introdu...
International audienceMotivated by the work of Leininger on hyperbolic equivalence of homotopy class...
Tree-graded spaces are generalizations of R-trees. They appear as asymptotic cones of groups (when t...
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