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Complexity of constraint satisfaction

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  1. A necessary condition for the tractability of a constraint language based on the universal gadget has been proved

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  2. The computational complexity of constraint satisfaction has mainly been studied for discriminating between tractable and intractable classes of constraint satisfaction problems on finite domains

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  3. Solving a constraint satisfaction problem on a finite domain is an NP-complete problem in general

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  4. Research has shown a number of polynomial-time subcases, mostly obtained by restricting either the allowed domains or constraints or the way constraints can be placed over the variables

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  5. Research has also established relationship of the constraint satisfaction problem with problems in other areas such as finite model theory and databases

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
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