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Topological subsystem codes from graphs and hypergraphs

机译:图和超图的拓扑子系统代码

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摘要

Topological subsystem codes were proposed by Bombin based on 3-face-colorable cubic graphs. Suchara, Bravyi, and Terhal generalized this construction and proposed a method to construct topological subsystem codes using 3-valent hypergraphs that satisfy certain constraints. Finding such hypergraphs and computing their parameters, however, is a nontrivial task. We propose families of topological subsystem codes that were previously not known. In particular, our constructions give codes which cannot be derived from Bombin's construction. We also study the error recovery schemes for the proposed subsystem codes and give detailed schedules for the syndrome measurement that take advantage of the 2-locality of the gauge group. The study also leads to a new and general construction for color codes.
机译:Bombin基于3面可着色立方图提出了拓扑子系统代码。 Suchara,Braviyi和Terhal对此结构进行了概括,并提出了一种使用满足某些约束的3价超图构造拓扑子系统代码的方法。然而,找到这样的超图并计算它们的参数是一项艰巨的任务。我们提出了以前未知的拓扑子系统代码族。特别是,我们的构造所提供的代码无法从Bombin的构造中得出。我们还研究了拟议的子系统代码的错误恢复方案,并利用量规组的2个局部性给出了综合症测量的详细计划。该研究还得出了颜色代码的新的通用结构。

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