GROUPOID CROSSED PRODUCTS OF CONTINUOUS-TRACE C ∗ -ALGEBRAS

GROUPOID CROSSED PRODUCTS OF CONTINUOUS-TRACE C ∗ -ALGEBRAS
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连续迹C*-代数的群曲面叉积

DOI:
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发表时间:
2013
期刊:
影响因子:
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通讯作者:
Dana P. Williams
Dana P. Williams
中科院分区:
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文献类型:
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作者:
E. Erp;Dana P. Williams

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我们证明了如果(A, G, α)是具有连续迹的群态动力系统,则交叉积A <s:1> α G是等价于G的群态G上的捻E的C∗-代数C∗(G, E)的森田等价。这是作用于初等C∗-代数的群的交叉积的已知结果的群类比。
We show that if (A, G, α) is a groupoid dynamical system with A continuous trace, then the crossed product A⋊α G is Morita equivalent to the C ∗ -algebra C ∗ (G, E) of a twist E over a groupoid G equivalent to G. This is a groupoidanalogue of the well known result for the crossed product of a group acting on an elementary C ∗ -algebra.