[PDF] Top 20 Proof complexity of resolution-based QBF calculi
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Proof complexity of resolution-based QBF calculi
... Proof complexity studies the complexity of theorem proving in various formal systems, providing both sharp lower and upper bounds for the size of proofs of important combinatorial ...computational ... See full document
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Reasons for Hardness in QBF Proof Systems
... 5 Olaf Beyersdorff, Leroy Chew, and Mikolas Janota. On unification of QBF resolution-based calculi. In Erzsébet Csuhaj-Varjú, Martin Dietzfelbinger, and Zoltán Ésik, editors, Mathem- atical ... See full document
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Are Short Proofs Narrow? QBF Resolution is not Simple.
... important QBF resolution systems Q-Res, ∀Exp+Res, and ...instantiation calculi it is not clear what should qualify as the right count for this as different annotations of the same existential variable ... See full document
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Dependency Schemes in QBF Calculi: Semantics and Soundness
... of QBF resolution calculi by dependency ...resulting calculi are ...pendence based on ‘exhibition’ by QBF models, and use it to express a property of dependency schemes called ... See full document
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Lower bounds: from circuits to QBF proof systems
... and QBF proof complexity sketched in the beginning, the main precursor of our work is the paper (Beyersdorff, Chew, and Janota, ...the proof size originates from (Beyersdorff et ...the ... See full document
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Understanding Gentzen and Frege Systems for QBF
... weak resolution-type systems, much less is known for strong proof sys- tems, and this judgement applies to both propositional and QBF proof ...strong calculi: via sequent-style systems ... See full document
11
Are Short Proofs Narrow? QBF Resolution is not so Simple
... for resolution is space [Esteban and Tor ´an 2001], as it corresponds to memory requirements of solvers in the same way as resolution size re- lates to their running ...space complexity for refuting ... See full document
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Proof complexity modulo the Polynomial Hierarchy: understanding alternation as a source of hardness
... Q- resolution, QU-resolution, and their relatives are typically defined only for clausal QBFs—QBFs that consist of a quantifier prefix followed by a conjunction of ...QU- resolution to obtain a ... See full document
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Shortening QBF Proofs with Dependency Schemes
... first proof complexity results for QBF depen- dency ...reflexive resolution path dependency scheme admits exponentially shorter Q-resolution proofs on a known family of instances, we ... See full document
18
Genuine Lower Bounds for QBF Expansion
... Proof complexity has since emerged as the natural theoretical counterpart of practical SAT solving, a subfield of automated reasoning that has enjoyed major success in recent ...Indeed, complexity of ... See full document
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On unification of QBF resolution-based calculi
... reduced proof unless either of the merged literals is not in the reduced clause and then the clause is left as it ...a resolution step is possible, repeat it in the reduced ...reduced proof is ... See full document
13
Feasible Interpolation for QBF Resolution Calculi
... In a nutshell, feasible interpolation works for true implications A(~ p, ~ q) → B(~ p, ~ r) (or, equivalently, false conjunctions A(~ p, ~ q) ∧ ¬B(~ p, ~ r)), which by Craig’s interpolation theorem [Cra57] possess ... See full document
20
Lifting QBF Resolution Calculi to DQBF
... in QBF proof complexity [5–11, 17–19, 27] have in- creased our theoretical understanding of QBF proof systems and proof systems in general and shown there is an intrinsic link ... See full document
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The More Antecedents, the Merrier: Resolving Multi Antecedent Anaphors
... anaphor resolution problem, m-anaphors, and extended the problem formulation to incorpo- rate ...coreference resolution task, showing that m-anaphor prediction can help boost ... See full document
10
Compact Tree Encodings for Planning as QBF
... many QBF solvers as possible using the QBFEval 2017 as a ...2017-07-09, based on dependency learning QCDCL) and CaQE (version of 2017-07-08, based on CEGAR clausal abstraction) were not able to give ... See full document
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Comparative Study of Delay Line Based Time to Digital Converter using FPGA
... are based on the Tapped Delay Line approach, but the individual delay elements are realized using the same underlying hardware, thus giving delay matching similar to the VDL method ... See full document
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ROI and Seam SPIHT based Efficient Image Compression for Mobile Multimedia and Medical Applications
... SPIHT [1] (set partitioning in hierarchical trees) is an efficient wavelet based image compression algorithm. It has many advantages over image compression algorithm as compared to other image compression ... See full document
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Some Properties of Several Proof Systems for Intuitionistic, Johanssons and Monotone Propositional Logics
... the proof complexities of minimal tautologies, ...in proof complexity ...formulaes, proof complexities of which are investigated in many well known papers, are minimal ...propositional ... See full document
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Molecular approaches to determine the multiplicity of Plasmodium infections
... Individuals in malaria-endemic countries often carry several genetically distinct clones of the same parasite species. Multiplicity of infection (MOI), also termed complexity of infection (COI) is defined as the ... See full document
9
Understanding how ESOL Pre Services Teachers' Prior Experiences and Background Shape their Processes of becoming L2 (Reading) Teachers
... cal informational systems and remote sensing that reduce the processing time for calculation of the hydrologic variables; such as surface runoff, from days, if not weeks, to hours (Mendoza et al. 2002; Zhan and Huang ... See full document
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