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Paper:

TR06-152 | 6th December 2006 00:00

Tight integrality gaps for Vertex Cover SDPs in the Lovasz-Schrijver hierarchy

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Abstract:

We prove that the integrality gap after tightening the standard LP relaxation for Vertex Cover with Omega(sqrt(log n/log log n)) rounds of the SDP LS+ system is 2-o(1).



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