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arXiv 1809.08586quant-ph
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关于由恒等式的协变分解生成的非交换算子图

On non-commutative operator graphs generated by covariant resolutions of identity

G. G. Amosov, A. S. Mokeev

摘要:

研究了紧群的酉表示的单位协变分解生成的非交换算子图。我们的主要目标是寻找正交投影,这是anticliques(纠错码),这样的图。一个特别注意的协方差相对于酉表示的圆群。我们确定了一个张量积结构的空间表示下,所获得的anticlies产生的纠缠向量。

英文摘要:

We study non-commutative operator graphs generated by resolutions of identity covariant with respect to unitary representations of a compact group. Our main goal is searching for orthogonal projections which are anticliques (error-correcting codes) for such graphs. A special attention is paid to the covariance with respect to unitary representations of the circle group. We determine a tensor product structure in the space of representation under which the obtained anticliques are generated by entangled vectors.

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