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John Hooker

Selected Works

2013

Computational complexity; renamable Horn problems; satisfiability

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Detecting Embedded Horn Structure In Propositional Logic, V. Chandru, John N. Hooker Mar 2013

Detecting Embedded Horn Structure In Propositional Logic, V. Chandru, John N. Hooker

John Hooker

We show that the problem of finding a maximum renamable Horn problem within a propositional satisfiability problem is NP-hard but can be formulated as a set packing and therefore a maximum clique problem, for which numerous algorithms and heuristics have been developed.