dc.contributor.author | Kammeyer, Holger | |
dc.contributor.author | Sauer, Roman | |
dc.contributor.editor | Bruschi, David Edward | |
dc.contributor.editor | Kalck, Martin | |
dc.contributor.editor | Skuppin, Lara | |
dc.contributor.editor | Jahns, Sophia | |
dc.date.accessioned | 2020-04-15T10:59:17Z | |
dc.date.available | 2020-04-15T10:59:17Z | |
dc.date.issued | 2020-04-15 | |
dc.identifier.uri | http://publications.mfo.de/handle/mfo/3735 | |
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. | en_US |
dc.language.iso | en | en_US |
dc.publisher | Mathematisches Forschungsinstitut Oberwolfach | en_US |
dc.relation.ispartofseries | Snapshots of modern mathematics from Oberwolfach;2020,01 | |
dc.rights | Attribution-ShareAlike 4.0 International | * |
dc.rights.uri | http://creativecommons.org/licenses/by-sa/4.0/ | * |
dc.title | From Betti numbers to ℓ²-Betti numbers | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.14760/SNAP-2020-001-EN | |
local.series.id | SNAP-2020-001-EN | en_US |
local.subject.snapshot | Geometry and Topology | en_US |
dc.identifier.urn | urn:nbn:de:101:1-2020042112523848309385 | |
dc.identifier.ppn | 1695801644 | |