$C^*$ -多变量动力学的泛自由积和半交叉积的包络
$C^*$-envelopes of universal free products and semicrossed products for multivariable dynamics
摘要:
证明了对于一类满足自然条件的算子代数,算子代数$A_i$的泛自由积的$C^*$ -包络由$A_i$的$C^*$ -包络的自由积给出.在特殊情况下,我们将这个定理应用于多变量动力学的半交叉积的$C^*$ -包络。
英文摘要:
We show that for a class of operator algebras satisfying a natural condition the $C^*$-envelope of the universal free product of operator algebras $A_i$ is given by the free product of the $C^*$-envelopes of the $A_i$. We apply this theorem to, in special cases, the $C^*$-envelope of the semicrossed products for multivariable dynamics in terms of the single variable semicrossed products of Peters.
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