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Clique Is Hard on A...
Clique Is Hard on Average for Unary Sherali-Adams
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- De Rezende, Susanna F. (author)
- Lund University,Lunds universitet,Parallella System,Institutionen för datavetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Parallel Systems,Department of Computer Science,Departments at LTH,Faculty of Engineering, LTH
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- Potechin, Aaron (author)
- University of Chicago
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- Risse, Kilian (author)
- Swiss Federal Institute of Technology
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(creator_code:org_t)
- 2023
- 2023
- English 14 s.
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In: Proceedings - 2023 IEEE 64th Annual Symposium on Foundations of Computer Science, FOCS 2023. - 0272-5428. - 9798350318944 ; , s. 12-25
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Abstract
Subject headings
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- We prove that unary Sherali-Adams requires proofs of size nΩ(d) to rule out the existence of an nΘ(1)-clique in Erdős-Rényi random graphs whose maximum clique is of size d ≤ 2 log n. This lower bound is tight up to the multiplicative constant in the exponent. We obtain this result by introducing a technique inspired by pseudo-calibration which may be of independent interest. The technique involves defining a measure on monomials that precisely captures the contribution of a monomial to a refutation. This measure intuitively captures progress and should have further applications in proof complexity.
Subject headings
- NATURVETENSKAP -- Matematik -- Diskret matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Discrete Mathematics (hsv//eng)
Keyword
- Clique
- Proof Complexity
- Unary Sherali Adams
Publication and Content Type
- kon (subject category)
- ref (subject category)
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