Boundary of CAT(0) Groups With Right Angles.

Qing, Yulan.


  • Abstract: Croke and Kleiner present a torus complex whose universal cover has a non-locally connected visual boundary. They show that changing the intersection angle of the gluing loops in the middle torus changes the topological type of the visual boundary. In this thesis we study the effect on the topology of the boundary if the angle is fixed at π/2 but the lengths of the π1-generating loops ar... read more
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