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arXiv 2009.07314quant-ph
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空间有效嵌入下图着色问题的量子优化

Quantum Optimization for the Graph Coloring Problem with Space-Efficient Embedding

Zsolt Tabi, Kareem H. El-Safty, Zsófia Kallus, Péter Hága, Tamás Kozsik, Adam Glos, Zoltán Zimborás

摘要:

当前的量子计算设备根据其架构具有不同的优势和劣势。这意味着灵活的电路设计方法是必要的。我们通过引入一种新的空间有效的量子优化算法来解决这个任务的图着色问题。我们的电路比标准方法的电路更深。然而,所需的量子位的数量在颜色的数量上呈指数级减少。我们提出了广泛的数值模拟证明我们的方法的性能。此外,为了探索目前可用的替代方案,我们在量子退火机上进行了随机图着色的研究,以测试该方法的限制因素。

英文摘要:

Current quantum computing devices have different strengths and weaknesses depending on their architectures. This means that flexible approaches to circuit design are necessary. We address this task by introducing a novel space-efficient quantum optimization algorithm for the graph coloring problem. Our circuits are deeper than the ones of the standard approach. However, the number of required qubits is exponentially reduced in the number of colors. We present extensive numerical simulations demonstrating the performance of our approach. Furthermore, to explore currently available alternatives, we perform a study of random graph coloring on a quantum annealer to test the limiting factors of that approach, too.

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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