Remarks on Anomalous Symmetries of C*-Algebras
Remarks on Anomalous Symmetries of C*-Algebras
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关于 C*-代数的反常对称性的评论
DOI:
10.1007/s00220-021-04234-4
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发表时间:
2021
影响因子:
2.4
通讯作者:
Jones, Corey
中科院分区:
文献类型:
--
作者:
Jones, Corey
For a group G and ω ∈ Z^ 3 (G, U (1)) ω∈ Z 3 (G, U (1)), an ω ω-anomalous action on a C*-algebra B is a U (1) U (1)-linear monoidal functor between 2-groups, where the latter denotes the 2-group of*∗-automorphisms of B. The class ω ∈ H^ 3 (G, U (1)) ω∈ H 3 (G, U (1)) is called the anomaly of the action. We show that for every n ≥ 2 n≥ 2 and every finite group G, every anomaly can be realized on the stabilization of a commutative C*-algebra C (M) ⊗ K C (M)⊗ K for some closed connected n-manifold M. We also show that although there are no anomalous symmetries of Roe C*-algebras of coarse spaces, for every finite group G, every anomaly can be realized on the Roe corona C^*(X)/K C∗(X)/K of some bounded geometry metric space X with property A.
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影响因子:
2.4
作者:
Masaki Izumi
通讯作者:
Masaki Izumi
影响因子:
2.4
作者:
A. L. Carey;H. Grundling;I. Raeburn;C. Sutherland
通讯作者:
C. Sutherland
影响因子:
1.7
作者:
Jones, Corey;Penneys, David
通讯作者:
Penneys, David
DOI:
10.1163/_afco_asc_2206
发表时间:
2021-06
期刊:
--
影响因子:
--
作者:
Cambridge University Press
通讯作者:
Cambridge University Press
DOI:
10.2307/j.ctv1hxkdsr.67
发表时间:
2007
期刊:
Birth…
影响因子:
--
作者:
R. Alicki;M. Fannes;M. Horodecki
通讯作者:
M. Horodecki