Abstract
In this note, we show that a von Neumann algebra M is injective if and only if the weak* similarity degree d*(M) ≤ 2.
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Supported by the Zhejiang Qianjiang Talent Program in 2008, the Program for New Century Excellent Talents in University of Ministry of Education of China in 2010, the National Natural Science Foundation of China (Grant No. 11271321) and the Fundamental Research Funds of Zhejiang University
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Dong, Z., Zhao, Y.F. A weak* similarity degree characterization for injective von Neumann algebras. Acta. Math. Sin.-English Ser. 30, 1689–1697 (2014). https://doi.org/10.1007/s10114-014-3143-2
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DOI: https://doi.org/10.1007/s10114-014-3143-2