(1,2)- QSAT的最差情况上限
Worst-Case Upper Bound for (1, 2)-QSAT
摘要:
文献中已经提出了针对QSAT的一个子类(1,2)-QSAT的算法的严格理论分析。(1,2)-QSAT,在SAT'08中首次引入,可以被视为量化的扩展2-CNF公式。到目前为止,在我们的知识,有没有算法提出的最坏的上限(1,2)-QSAT。因此本文提出了一种求解(1,2)-QSAT的精确算法。通过对算法的分析,我们得到了最坏情况下的上界O(1.4142m),其中m是子句数。
英文摘要:
The rigorous theoretical analysis of the algorithm for a subclass of QSAT, i.e. (1, 2)-QSAT, has been proposed in the literature. (1, 2)-QSAT, first introduced in SAT'08, can be seen as quantified extended 2-CNF formulas. Until now, within our knowledge, there exists no algorithm presenting the worst upper bound for (1, 2)-QSAT. Therefore in this paper, we present an exact algorithm to solve (1, 2)-QSAT. By analyzing the algorithms, we obtain a worst-case upper bound O(1.4142m), where m is the number of clauses.
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