A classification of certain separable C*-algebras of real rank zero with trivial Ki-group is given in second part. We construct all the extensions of Cuntz algebras by the compact operators, and compute their K-theory.
第二部分讨论了某些具有实秩零及平凡的K1群的可分C*-代数的分类,我们先构造出Cuntz代数通过紧算子的所有的扩张,并计算它们的K-群。
参考来源 - 半群上的非交换调和分析及某些C~*—代数的分类·2,447,543篇论文数据,部分数据来源于NoteExpress
If we rank the G7 countries according to the change in real GDP since the end of 2007, Canada tops the league.
如果我们以G 7国家为例,根据2007年底以来实际GDP的变化,加拿大表现的最好。
They found that both real lower-class participants and those temporarily induced to rank themselves as lower class felt that a greater share of a person’s salary should be used to support charity.
他们发现, 真正的社会低层参与者和被引诱暂时为低层的都认为每个人收入的更多部分应用于支持慈善.
Is there really a "rank" on Twitter that can be calculated and be useful in real world usage?
在Twitter上面是否有一个“排名(rank)”,能够计算出来并且在现实世界中应用?
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