Approximating MIN 2-SAT and MIN 3-SAT

Adi Avidor*, Uri Zwick

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We obtain substantially improved approximation algorithms for the MIN k-SAT problem, for k = 2,3. More specifically, we obtain a 1.1037-approximation algorithm for the MIN 2-SAT problem, improving a previous 1.5-approximation algorithm, and a 1.2136-approximation algorithm for the MIN 3-SAT problem, improving a previous 1.75-approximation algorithm for the problem. These results are obtained by adapting techniques that were previously used to obtain approximation algorithms for the MAX k-SAT problem. We also obtain some hardness of approximation results.

Original languageEnglish
Pages (from-to)329-345
Number of pages17
JournalTheory of Computing Systems
Volume38
Issue number3
DOIs
StatePublished - May 2005

Funding

FundersFunder number
Israel Science Foundation246/01

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