Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2024/iii/paper-134/2/a/solution

A group is cubulated when it admits a cubulation of a group, namely a metrically proper group action by cubical automorphisms on a CAT(0) cube complex. It is cocompactly cubulated when that action is also a cocompact group action. Thus a cocompact cubulation is a proper, cocompact cubical action.

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