Characterizations of Centralizable Mappings on Algebras of Locally Measurable Operators

Characterizations of Centralizable Mappings on Algebras of Locally Measurable Operators
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局部可测算子代数的集中映射的表征

DOI:
10.1007/s10114-020-9350-0
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发表时间:
2020
影响因子:
0.7
通讯作者:
Qian Wen Hua
Qian Wen Hua
中科院分区:
数学3区
文献类型:
--
作者:
He Jun;An Guang Yu;Li Jian Kui;Qian Wen Hua

文献摘要

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一个从代数到双模的线性映射称为在G ∈上的可中心化映射,如果对每个A和B都有B = A B,其中AB = G。本文证明了:如果是一个不含I 1型和II型直和项的von Neumann代数,是一个 *-子代数,其中LS()和G是中的固定元,则在Gfromto的每个连续(关于局部测度拓扑t())可中心化映射是一个中心化子。
A linear mappingϕfrom an algebrainto its bimoduleis called a centralizable mapping atG∈ifϕ(AB) =ϕ(A)B = Aϕ(B) for eachAandBinwithAB = G. In this paper, we prove that ifis a von Neumann algebra without direct summands of type I1and type II,is a *-subalgebra with⊆⊆LS() andGis a fixed element in, then every continuous (with respect to the local measure topologyt()) centralizable mapping atGfromintois a centralizer.