Ampleness in the free group
arXiv:1205.0929
Abstract
We show that the theory of the free group -- and more generally the theory of any torsion-free hyperbolic group -- is -ample for any . We give also an explicit description of the imaginary algebraic closure in free groups.
References in corpus (8)
- Limit groups as limits of free groups: compactifying the set of free groups
- Homogeneity in the free group
- JSJ decompositions: definitions, existence, uniqueness. I: The JSJ deformation space
- Diophantine Geometry over Groups IX: Envelopes and Imaginaries
- Diophantine Geometry over Groups X: The Elementary Theory of Free Products of Groups
- On groups and fields interpretable in torsion-free hyperbolic groups
- Homogeneity and prime models in torsion-free hyperbolic groups
- Algebraic & definable closure in free groups