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Graphs of groups and von Neumann dimension |
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| Authors: | James A. Schafer |
| Affiliation: | Department of Mathematics, University of Maryland, College Park, MD 20742, USA |
| Abstract: | The ℓ2-invariants of the fundamental group G of a graph of groups acting on a CW-complex X are related to the ℓ2-invariants of the edge and vertex groups of G acting on X. Various consequences are derived. |
| Keywords: | 20F65 58G12 |
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