Given a group acting on a topological space, information about the group and the space may be obtained. The most interesting case arises from the fundamental group of a connected CW-complex acting on the universal cover, which in the aspherical case is closely related to the cohomology of the group. This area of research is currently very active, and Stallings, Thurston, Bestvina, Dunwoody, Gromov, etc. have developed powerful new techniques. Our object is to continue these lines of investigation and try to answer various specific problems in dimensions 1, 2 and 3.
|Effective start/end date||2/08/91 → 2/08/94|
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