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Combinatorial group theory --- Hyperbolic groups --- Riemannian manifolds
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Hyperbolic spaces. --- Hyperbolic groups. --- Espaces hyperboliques --- Groupes hyperboliques --- Hyperbolic spaces --- Hyperbolic groups --- Espaces hyperboliques. --- Groupes hyperboliques.
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"Subset currents on hyperbolic groups were introduced by Kapovich and Nagnibeda as a generalization of geodesic currents on hyperbolic groups, which were introduced by Bonahon and have been successfully studied in the case of the fundamental group 1() of a compact hyperbolic surface . Kapovich and Nagnibeda particularly studied subset currents on free groups. In this article, we develop the theory of subset currents on 1(), which we call subset currents on . We prove that the space SC() of subset currents on is a measure-theoretic completion of the set of conjugacy classes of non-trivial finitely generated subgroups of 1(), each of which geometrically corresponds to a convex core of a covering space of . This result was proved by Kapovich-Nagnibeda in the case of free groups, and is also a generalization of Bonahon's result on geodesic currents on hyperbolic groups. We will also generalize several other results of them. Especially, we extend the (geometric) intersection number of two closed geodesics on to the intersection number of two convex cores on and, in addition, to a continuous R0-bilinear functional on SC()"--
Fuchsian groups. --- Riemann surfaces. --- Hyperbolic groups. --- Ergodic theory.
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This monograph on the applications of cube complexes constitutes a breakthrough in the fields of geometric group theory and 3-manifold topology. Many fundamental new ideas and methodologies are presented here for the first time, including a cubical small-cancellation theory generalizing ideas from the 1960s, a version of Dehn Filling that functions in the category of special cube complexes, and a variety of results about right-angled Artin groups. The book culminates by establishing a remarkable theorem about the nature of hyperbolic groups that are constructible as amalgams.The applications described here include the virtual fibering of cusped hyperbolic 3-manifolds and the resolution of Baumslag's conjecture on the residual finiteness of one-relator groups with torsion. Most importantly, this work establishes a cubical program for resolving Thurston's conjectures on hyperbolic 3-manifolds, and validates this program in significant cases. Illustrated with more than 150 color figures, this book will interest graduate students and researchers working in geometry, algebra, and topology.
Hyperbolic groups. --- Group theory. --- CAT(0). --- Gromov. --- Thurston. --- geometric group theory. --- graphs of groups. --- hierarchies. --- hyperbolic groups. --- one relator groups. --- relatively hyperbolic groups. --- small cancellation theory. --- subgroup separability. --- virtual haken. --- word hyperbolic groups.
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This book gives an advanced overview of several topics in infinite group theory. It can also be considered as a rigorous introduction to combinatorial and geometric group theory. The philosophy of the book is to describe the interaction between these two important parts of infinite group theory. In this line of thought, several theorems are proved multiple times with different methods either purely combinatorial or purely geometric while others are shown by a combination of arguments from both perspectives. The first part of the book deals with Nielsen methods and introduces the reader to results and examples that are helpful to understand the following parts. The second part focuses on covering spaces and fundamental groups, including covering space proofs of group theoretic results. The third part deals with the theory of hyperbolic groups. The subjects are illustrated and described by prominent examples and an outlook on solved and unsolved problems.
Infinite groups. --- Covering spaces. --- Hyperbolic groups. --- Nielsen methods.
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Topological groups. Lie groups --- Hyperbolic groups. --- Groupes hyperboliques --- Tiling (Mathematics) --- Pavage (mathématiques) --- Cancellation theory (Group theory) --- Hyperbolic groups --- Combinatorial designs and configurations --- Mathematics --- Group theory --- Groupes hyperboliques.
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Group theory --- Combinatorial group theory --- Hyperbolic groups --- Groupes combinatoires, théorie des --- Congresses. --- Congresses. --- Congrès
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Group theory --- Geometry --- Combinatorial set theory --- Combinatorische groepentheorie --- Geometry [Hyperbolic ] --- Groupes [Theories des ] combinatoires --- Géométrie hyperbolique --- Meetkunde [Hyperbolische ] --- Hyperbolic groups. --- 51 --- Hyperbolic groups --- Mathematics --- 51 Mathematics --- Geometric group theory --- Groupes, Théorie géométrique des --- Groupes, Théorie des --- Géometrie hyperbolique
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Group theory --- 51 <082> --- Mathematics--Feestbundels. Festschriften --- 51 <082> Mathematics--Feestbundels. Festschriften --- Geometric group theory. --- Hyperbolic groups. --- Groupes, Théorie géométrique des --- Groupes hyperboliques --- Geometric group theory --- Hyperbolic groups --- Groupes, Théorie géométrique des. --- Groupes hyperboliques.
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