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Results tagged with satisfiability
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user 144711
Satisfiability (SAT) is the problem of determining whether there is a variable assignment that fulfills a given Boolean formula.
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Restricted Planar 3-SAT NP-hard
As we all know, 3-SAT is NP-hard.
Two of the less known results are that Planar 3-SAT is NP-hard and also a 'restricted' 3-SAT, where any literal appears in at most two clauses turns out to be NP-hard …
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