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arXiv 1202.3484cs.LO
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量子过程的符号互模拟

Symbolic bisimulation for quantum processes

Yuan Feng, Yuxin Deng, Mingsheng Ying

摘要:

利用文献中提出的互模拟概念,为了检验两个量子过程是否互相似,我们必须用任意量子态实例化它们的自由量子变量,并验证结果组态的互相似性。这使得从算法的角度来看,检查双相似性是不可行的,因为量子态构成了一个连续统。在本文中,我们直接在量子操作层次上引入了一种量子过程的符号操作语义,它允许我们描述量子过程之间的互模拟,而无需求助于量子态。我们表明,这里定义的符号互模拟是等价的开放互模拟量子过程在以前的工作中,当考虑强互模拟。提出了一种符号基双相似性检验算法。基于Hennessy-Milner逻辑对量子过程的扩展,我们给出了量子双相似性的模态逻辑刻画。

英文摘要:

With the previous notions of bisimulation presented in literature, to check if two quantum processes are bisimilar, we have to instantiate the free quantum variables of them with arbitrary quantum states, and verify the bisimilarity of resultant configurations. This makes checking bisimilarity infeasible from an algorithmic point of view because quantum states constitute a continuum. In this paper, we introduce a symbolic operational semantics for quantum processes directly at the quantum operation level, which allows us to describe the bisimulation between quantum processes without resorting to quantum states. We show that the symbolic bisimulation defined here is equivalent to the open bisimulation for quantum processes in the previous work, when strong bisimulations are considered. An algorithm for checking symbolic ground bisimilarity is presented. We also give a modal logical characterisation for quantum bisimilarity based on an extension of Hennessy-Milner logic to quantum processes.

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。

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