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    Periodic constraint satisfaction problems: tractable subclasses

    Chen, Hubie (2005) Periodic constraint satisfaction problems: tractable subclasses. Constraints 10 (2), pp. 97-113. ISSN 1383-7133.

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    We study a generalization of the constraint satisfaction problem (CSP), the periodic constraint satisfaction problem. An input instance of the periodic CSP is a finite set of “generating” constraints over a structured variable set that implicitly specifies a larger, possibly infinite set of constraints; the problem is to decide whether or not the larger set of constraints has a satisfying assignment. This model is natural for studying constraint networks consisting of constraints obeying a high degree of regularity or symmetry. Our main contribution is the identification of two broad polynomial-time tractable subclasses of the periodic CSP.


    Item Type: Article
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Computing and Mathematical Sciences
    Depositing User: Sarah Hall
    Date Deposited: 09 Mar 2021 14:51
    Last Modified: 09 Aug 2023 12:50


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