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sav08:dpll_algorithm_for_sat [2008/03/12 18:34] vkuncak |
sav08:dpll_algorithm_for_sat [2008/03/12 21:55] vkuncak |
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| This does not contradict P vs NP question, because there may be "better" proof systems than resolution. | This does not contradict P vs NP question, because there may be "better" proof systems than resolution. | ||
| - | Lower bounds for both resolution and a stronger system are shown here by proving that interpolants can be exponential, and that interpolants are polynomial in proof size: | + | Lower bounds for both resolution and a stronger system are shown here by proving that interpolants can be exponential, and that interpolants are polynomial in proof size (see [[Interpolants from Resolution Proofs]]): |
| * Pavel Pudlák: [[http://citeseer.ist.psu.edu/36219.html|Lower Bounds for Resolution and Cutting Plane Proofs and Monotone Computations]] | * Pavel Pudlák: [[http://citeseer.ist.psu.edu/36219.html|Lower Bounds for Resolution and Cutting Plane Proofs and Monotone Computations]] | ||
| - | ===== DPLL Imperatively ===== | ||
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| - | Selecting order of variables. | ||
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| - | Lemma learning. | ||