Le coût est un invariant isopérimétrique
| dc.creator | Pichot, Mikael | |
| dc.creator | Vassout, Stéphane | |
| dc.date | 2009-03-05 | |
| dc.date | 2009-03-06 | |
| dc.date.accessioned | 2026-07-07T12:49:15Z | |
| dc.date.available | 2026-07-07T12:49:15Z | |
| dc.description | For a type II_1 ergodic measured equivalence relation R on a probability space without atom, we prove that h(R)=2C(R)-2, where C(R) is the cost, and h(R) the isoperimetric constant. This follows recent result by Lyons and the authors. | |
| dc.description | 5 pages | |
| dc.identifier | https://arxiv.org/abs/0903.0911 | |
| dc.identifier | http://arxiv.org/abs/0903.0911 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/222334 | |
| dc.subject | Operator Algebras | |
| dc.subject | Dynamical Systems | |
| dc.subject | Group Theory | |
| dc.title | Le coût est un invariant isopérimétrique | |
| dc.type | text |