• Nuclearity for Dual Operator Spaces

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    • Keywords


      Operator space; nuclear; injective.

    • Abstract


      In this short paper, we study the nuclearity for the dual operator space $V^∗$ of an operator space 𝑉. We show that $V^∗$ is nuclear if and only if $V^{∗∗∗}$ is injective, where $V^{∗∗∗}$ is the third dual of 𝑉. This is in striking contrast to the situation for general operator spaces. This result is used to prove that $V^{∗∗}$ is nuclear if and only if 𝑉 is nuclear and $V^{∗∗}$ is exact.

    • Author Affiliations


      Zhe Dong1 Jicheng Tao2

      1. Department of Mathematics, Zhejiang University, Hangzhou 310 027, China
      2. Department of Mathematics, China Jiliang University, Hangzhou 310 018, China
    • Dates

  • Proceedings – Mathematical Sciences | News

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      Posted on July 25, 2019

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