## CAT(0) groups with specified boundary.(English)Zbl 1139.57020

Summary: We specify exactly which groups can act geometrically on CAT(0) spaces whose visual boundary is homeomorphic to either a circle or a suspension of a Cantor set.

### MSC:

 57M60 Group actions on manifolds and cell complexes in low dimensions 20F65 Geometric group theory

### Keywords:

CAT(0) groups; visual boundary; Tits boundary
Full Text:

### References:

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