Rational group ring elements with kernels having irrational dimension
Rational group ring elements with kernels having irrational dimension
复制标题
核具有无理维数的有理群环元
DOI:
10.1112/plms/pdt029
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发表时间:
2009
影响因子:
1.8
通讯作者:
Tim Austin
中科院分区:
文献类型:
--
作者:
Tim Austin
We prove that there are examples of finitely generated groups Γ together with group ring elements Q∈ℚΓ for which the von Neumann dimension dimLΓ ker Q is irrational, thus (in conjunction with other known results) answering a question of Atiyah.
DOI:
10.1112/jlms/jdv026
发表时间:
2015
期刊:
Journal of the London Mathematical Society
影响因子:
--
作者:
Mikaël Pichot;Thomas Schick;Andrzej Zuk
通讯作者:
Andrzej Zuk
影响因子:
3.1
作者:
Łukasz Grabowski
通讯作者:
Łukasz Grabowski