From Betti numbers to ℓ²-Betti numbers
| dc.bibliographicCitation.seriesTitle | Snapshots of Modern Mathematics from Oberwolfach | eng |
| dc.bibliographicCitation.volume | 1/2020 | |
| dc.contributor.author | Kammeyer, Holger | |
| dc.contributor.author | Sauer, Roman | |
| dc.date.accessioned | 2022-08-05T08:11:37Z | |
| dc.date.available | 2022-08-05T08:11:37Z | |
| dc.date.issued | 2020 | |
| dc.description.abstract | We provide a leisurely introduction to ℓ²-Betti numbers, which are topological invariants, by relating them to their much older cousins, Betti numbers. In the end we present an open research problem about ℓ²-Betti numbers. | eng |
| dc.description.version | publishedVersion | eng |
| dc.identifier.uri | https://oa.tib.eu/renate/handle/123456789/9925 | |
| dc.identifier.uri | http://dx.doi.org/10.34657/8963 | |
| dc.language.iso | eng | |
| dc.publisher | Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach gGmbH | |
| dc.relation.doi | https://doi.org/10.14760/SNAP-2020-001-EN | |
| dc.relation.essn | 2626-1995 | |
| dc.rights.license | CC BY-SA 4.0 Unported | eng |
| dc.rights.uri | https://creativecommons.org/licenses/by-sa/4.0/ | eng |
| dc.subject.ddc | 510 | |
| dc.subject.other | Geometry and Topology | eng |
| dc.title | From Betti numbers to ℓ²-Betti numbers | eng |
| dc.type | Report | eng |
| dc.type | Text | eng |
| dcterms.extent | 11 S. | |
| tib.accessRights | openAccess | |
| wgl.contributor | MFO | |
| wgl.subject | Mathematik | |
| wgl.type | Report / Forschungsbericht / Arbeitspapier |
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