你对量子金字塔的边缘了解多少？
How well can you know the edge of a quantum pyramid?
摘要：
我们考虑一个对称的量子通信方案，其中信号状态是任意尺寸和任意形状的量子金字塔的边缘，并且所有边缘状态以相同的概率传输。接收者可以采用不同的解码策略：他可以最大限度地减少错误概率，或无歧义的歧视，或提取可访问的信息。我们为每个策略陈述最佳测量方案。对于大的参数范围，标准平方根测量不能最佳地提取信息。
英文摘要：
We consider a symmetric quantum communication scenario in which the signal states are edges of a quantum pyramid of arbitrary dimension and arbitrary shape, and all edge states are transmitted with the same probability. The receiver could employ different decoding strategies: he could minimize the error probability, or discriminate without ambiguity, or extract the accessible information. We state the optimal measurement scheme for each strategy. For large parameter ranges, the standard square-root measurement does not extract the information optimally.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
