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arXiv 1301.7108math.OA
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可分C* 代数的同构关系

The isomorphism relation for separable C*-algebras

George A. Elliott, Ilijas Farah, Vern Paulsen, Christian Rosendal, Andrew S. Toms, Asger Törnquist

摘要:

证明了可分C $^*$ -代数的同构关系,以及算子空间和算子系统的完备等距关系和$n$ -等距关系,都是标准Borel空间上的Polish群作用的轨道等价关系的Borel可约性.

英文摘要:

We prove that the isomorphism relation for separable C$^*$-algebras, and also the relations of complete and $n$-isometry for operator spaces and systems, are Borel reducible to the orbit equivalence relation of a Polish group action on a standard Borel space.

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