Kazhdan and Haagerup properties from the median viewpoint
We prove the existence of a close connection between spaces with measured walls and median metric spaces. We then relate properties (T) and Haagerup (a-T-menability) to actions on median spaces and on spaces with measured walls. This allows us to explore the relationship between the classical proper...
| Prif Awduron: | , , |
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| Fformat: | Journal article |
| Iaith: | English |
| Cyhoeddwyd: |
2007
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