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arXiv 2003.10230cs.CCmath.LO
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$k$ - DNF归结的可行析取性质的失效及其自动化的NP困难性

Failure of Feasible Disjunction Property for $k$-DNF Resolution and NP-hardness of Automating It

Michal Garlík

摘要:

我们证明了对于任意整数$k \geq 2$,Res($k$)命题证明系统不具有弱可行析取性质.接下来,我们将Atserias和Müller [FOCS,2019]的最近结果推广到Res($k$)。我们证明,如果NP不包括在P(resp. QP,SUBEXP),则对于每个整数$k \geq 1$,Res($k$)在多项式中不是可自动化的(分别为准多项式、次指数)时间。

英文摘要:

We show that for every integer $k \geq 2$, the Res($k$) propositional proof system does not have the weak feasible disjunction property. Next, we generalize a recent result of Atserias and Müller [FOCS, 2019] to Res($k$). We show that if NP is not included in P (resp. QP, SUBEXP) then for every integer $k \geq 1$, Res($k$) is not automatable in polynomial (resp. quasi-polynomial, subexponential) time.

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