CAT(k) group

In mathematics, a CAT(k) group is a group that acts discretely, cocompactly and isometrically on a CAT(k) space.

References

Hindawi, Mohamad A. (2005). Asymptotic invariants of Hadamard manifolds (PDF). University of Pennsylvania: PhD thesis.

Bridson, Martin R.; Haefliger, André (1999). Metric spaces of non-positive curvature. Grundlehren der Mathematischen Wissenschaften [Fundamental Principles of Mathematical Sciences] 319. Berlin: Springer-Verlag. pp. xxii+643. ISBN 3-540-64324-9. MR 1744486.

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