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Complexity of Propositional Proofs Under a Promise
- 1.0343940 - MÚ 2011 RIV US eng J - Článek v odborném periodiku
Dershowitz, N. - Tzameret, Iddo
Complexity of Propositional Proofs Under a Promise.
ACM Transactions on Computational Logic. Roč. 11, č. 3 (2010), s. 1-29. ISSN 1529-3785. E-ISSN 1557-945X
Výzkumný záměr: CEZ:AV0Z10190503
Klíčová slova: theory * promise problems * propositional proof complexity * random 3CNF * resolution
Kód oboru RIV: BA - Obecná matematika
Impakt faktor: 1.391, rok: 2010
http://dl.acm.org/citation.cfm?doid=1740582.1740586
We study-within the framework of propositional proof complexity-the problem of certifying un-satisfiability of CNF formulas under the promise that any satisfiable formula has many satisfying assignments, where many stands for an explicitly specified function Lambda in the number of variables n. To this end, we develop propositional proof systems under different measures of promises (i. e., different Lambda) as extensions of resolution. This is done by augmenting resolution with axioms that, roughly, can eliminate sets of truth assignments defined by Boolean circuits.
Trvalý link: http://hdl.handle.net/11104/0186297
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