On cleanness of von Neumann algebras
On cleanness of von Neumann algebras
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DOI:
10.1016/j.jmaa.2021.125969
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发表时间:
2021-04
影响因子:
1.3
通讯作者:
Lu-Bin Cui;Linzhe Huang;Wenming Wu;Wei Yuan;Hanbin Zhang
中科院分区:
文献类型:
--
作者:
Lu-Bin Cui;Linzhe Huang;Wenming Wu;Wei Yuan;Hanbin Zhang
A unital ring is calledclean(resp.strongly clean) if every element can be written as the sum of an invertible element and an idempotent (resp. an invertible element and an idempotent that commutes). T.Y. Lam proposed a question: which von Neumann algebras are clean as rings? In this paper, we characterize strongly clean von Neumann algebras and prove that all finite von Neumann algebras and all separable infinite factors are clean.