On the hardness of approximating minimum vertex cover

Irit Dinur*, Samuel Safra

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We prove the Minimum Vertex Cover problem to be NP-hard to approximate to within a factor of 1.3606, extending on previous PCP and hardness of approximation technique. To that end, one needs to develop a new proof framework, and to borrow and extend ideas from several fields.

Original languageEnglish
Pages (from-to)439-485
Number of pages47
JournalAnnals of Mathematics
Volume162
Issue number1
DOIs
StatePublished - Jul 2005

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