From Betti numbers to ℓ²-Betti numbers

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

Except where otherwise noted, this item's license is described as Attribution-ShareAlike 4.0 International