Non-tracial Free Graph von Neumann Algebras
Non-tracial Free Graph von Neumann Algebras
复制标题
非踪迹自由图冯诺依曼代数
DOI:
10.1007/s00220-020-03841-x
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发表时间:
2020
影响因子:
2.4
通讯作者:
Nelson, Brent
中科院分区:
文献类型:
--
作者:
Hartglass, Michael;Nelson, Brent
Given a finite, directed, connected graphequipped with a weightingon its edges, we provide a construction of a von Neumann algebra equipped with a faithful, normal, positive linear functional. When the weightingis instead on the vertices of, the first author showed the isomorphism class ofdepends only on the dataand is an interpolated free group factor equipped with a scaling of its unique trace (possibly direct sum copies of). Moreover, the free dimension of the interpolated free group factor is easily computed from. In this paper, we show for a weightingon the edges ofthat the isomorphism class ofdepends only on the data, and is either as in the vertex weighting case or is a free Araki–Woods factor equipped with a scaling of its free quasi-free state (possibly direct sum copies of). The latter occurs when the subgroup ofgenerated byfor loopsinis non-trivial, and in this case the point spectrum of the free quasi-free state will be precisely this subgroup. As an application, we give the isomorphism type of some infinite index subfactors considered previously by Jones and Penneys.
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DOI:
--
发表时间:
2014
期刊:
影响因子:
--
作者:
Michael Hartglass;David Penneys
通讯作者:
David Penneys
影响因子:
1.7
作者:
Jones, Corey;Penneys, David
通讯作者:
Penneys, David
影响因子:
1
作者:
Cyril Houdayer
通讯作者:
Cyril Houdayer
DOI:
--
发表时间:
1992
期刊:
影响因子:
--
作者:
Ken Dykema
通讯作者:
Ken Dykema
DOI:
--
发表时间:
2017
期刊:
影响因子:
--
作者:
Michael Hartglass;Brent Nelson
通讯作者:
Brent Nelson