CS 294 Lecture 14: ARV Analysis, Part 3

In which we complete the analysis of the ARV rounding algorithm

We are finally going to complete the analysis of the Arora-Rao-Vazirani rounding algorithm, which rounds a Semidefinite Programming solution of a relaxation of sparsest cut into an actual cut, with an approximation ratio {O(\sqrt {\log |V|})}.

In previous lectures, we reduced the analysis of the algorithm to the following claim.

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CS294 Lecture 13: ARV Analysis, cont’d

In which we continue the analysis of the ARV rounding algorithm

We are continuing the analysis of the Arora-Rao-Vazirani rounding algorithm, which rounds a Semidefinite Programming solution of a relaxation of sparsest cut into an actual cut, with an approximation ratio {O(\sqrt {\log |V|})}.

In previous lectures, we reduced the analysis of the algorithm to the following claim.

Continue reading