A Note on the Use of Independent Sets for the k-SAT Problem

Konstantin Kutzkov


An independent set of variables is one in which no two variables occur in the same clause in a given k-SAT instance. Recently, independent sets have obtained more attention. Due to a simple observation we prove that a k-SAT instance over n variables with independent set of size i can be solved in time O(φ_{2(k−1)} (n − i)) where φ_{k (n)} denotes an upper bound on the complexity of solving k-SAT over n variables


k-SAT problem, upper bounds, independent sets of variables

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