An invitation to the promise constraint satisfaction problem

An invitation to the promise constraint satisfaction problem
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承诺约束满足问题的邀请

DOI:
10.1145/3559736.3559740
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发表时间:
2022
期刊:
ACM SIGLOG News
影响因子:
--
通讯作者:
Krokhin A
Krokhin A
中科院分区:
--
文献类型:
--
作者:
Krokhin A

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以费德-瓦尔迪二分猜想为中心的约束满足问题(CSP)复杂性的研究在过去二十年中非常突出。经过长期的共同努力和许多部分成果,二分猜想于 2017 年被布拉托夫和朱克独立证明。大约在同一时间,CSP 的广泛推广(称为 Promise CSP)开始受到关注。在本次调查中,我们解释了 Promise CSP 的重要性,并重点介绍了 Promise CSP 研究中发现的许多非常有趣的新功能。对 Promise CSP 的复杂性分类探索是开放的,我们认为,尽管 Promise CSP 更普遍,但与二分法主导的 CSP 研究相比,这种探索更容易被广泛的研究人员所接受。
The study of the complexity of the constraint satisfaction problem (CSP), centred around the Feder-Vardi Dichotomy Conjecture, has been very prominent in the last two decades. After a long concerted effort and many partial results, the Dichotomy Conjecture has been proved in 2017 independently by Bulatov and Zhuk. At about the same time, a vast generalisation of CSP, called promise CSP, has started to gain prominence. In this survey, we explain the importance of promise CSP and highlight many new very interesting features that the study of promise CSP has brought to light. The complexity classification quest for the promise CSP is wide open, and we argue that, despite the promise CSP being more general, this quest is rather more accessible to a wide range of researchers than the dichotomy-led study of the CSP has been.
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DOI: --
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期刊: Dagstuhl Reports
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