Limits of (certain) CAT(0) groups, I: Compactification
@article{Groves2004LimitsO, title={Limits of (certain) CAT(0) groups, I: Compactification}, author={Daniel P. Groves}, journal={Algebraic \& Geometric Topology}, year={2004}, volume={5}, pages={1325-1364} }
The purpose of this paper is to investigate torsion-free groups which act properly and cocompactly on CAT(0) metric spaces which have isolated flats, as defined by Hruska [18]. Our approach is to seek results analogous to those of Sela, Kharlampovich and Miasnikov for free groups and to those of Sela (and Rips and Sela) for torsion-free hyperbolic groups.
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45 References
Hadamard spaces with isolated flats
- 2004
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- 1997
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- 2006
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- 1997
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