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arXiv 2602.08418quant-ph
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Grover自适应搜索与问题特定状态准备

Grover Adaptive Search with Problem-Specific State Preparation

Infineon Technologies AG(英飞凌科技公司);BASF Digital Solutions GmbH(巴斯夫数字解决方案有限公司);Siemens AG(西门子股份公司);Lufthansa Industry Solutions GmbH(汉莎工业解决方案有限公司)

Maximilian Hess, Lilly Palackal, Abhishek Awasthi, Peter J. Eder, Manuel Schnaus, Laurin Demmler, Karen Wintersperger, Joseph Doetsch

AI总结:

本文提出基于Grover算法的启发式状态准备方法,用于解决旅行商问题,旨在通过多项式次数的Grover迭代实现合理的近似比。

摘要:

Grover搜索算法是量子算法世界中的基本构建块之一。成功将其应用于组合优化问题是一个微妙的挑战。由于单纯的速度提升不足以盲目搜索指数级大的空间,搜索必须辅以状态准备程序,通过利用问题结构来提高有希望状态的振幅。在本文中,我们基于Baertschi和Eidenbenz之前的研究所构建启发式状态准备程序,用于旅行商问题(TSP),模仿广为人知的经典Lin-Kernighan启发式方法。通过我们的启发式方法,我们旨在仅使用多项式数量的Grover迭代就实现合理的近似比。此外,我们还比较了几种与终止标准和在已知标记解数量时选择Grover迭代相关的算法设置。

英文摘要:

Grover's search algorithm is one of the basic building block in the world of quantum algorithms. Successfully applying it to combinatorial optimization problems is a subtle challenge. As a quadratic speedup is not enough to naively search an exponentially large space, the search has to be complemented with a state preparation routine which increases the amplitudes of promising states by exploiting the problem structure. In this paper, we build upon previous work by Baertschi and Eidenbenz to construct heuristic state preparation routines for the Traveling Salesperson Problem (TSP), mimicking the well-known classical Lin-Kernighan heuristic. With our heuristic, we aim to achieve a reasonable approximation ratio with only a polynomial number of Grover iterations. Further, we compare several algorithmic settings relating to termination criteria and the choice of Grover iterations when the number of marked solutions is unknown.

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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