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arXiv 1002.4790math.OA
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单Z-稳定C^*-代数的同态分类

Classification of homomorphisms into simple Z-stable C^*-algebras

Hiroki Matui

摘要:

我们将酉单态分类到某些简单Z-稳定的C^*-代数中,直到近似酉等价。定义域代数C可以是任何有单位的可分交换C^*-代数,或任何满足UCT的有单位的单可分核Z-稳定C^*-代数,使得C \otimes B对于UHF代数B迹秩为零。目标代数A可以是任何单可分Z-稳定C^*-代数,使得A \otimes B对UHF代数B的迹秩为零,或者是任何单可分精确Z-稳定C^*-代数,其投影分离迹,其极值迹为2 × 2。

英文摘要:

We classify unital monomorphisms into certain simple Z-stable C^*-algebras up to approximate unitary equivalence. The domain algebra C is allowed to be any unital separable commutative C^*-algebra, or any unital simple separable nuclear Z-stable C^*-algebra satisfying the UCT such that C\otimes B is of tracial rank zero for a UHF algebra B. The target algebra A is allowed to be any unital simple separable Z-stable C^*-algebra such that A\otimes B has tracial rank zero for a UHF algebra B, or any unital simple separable exact Z-stable C^*-algebra whose projections separate traces and whose extremal traces are finitely many.

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