Krivine diffusions attain the Goemans--Williamson approximation ratio

Published 25 Jun 2019 in cs.DS | (1906.10615v1)

Abstract: Answering a question of Abbasi-Zadeh, Bansal, Guruganesh, Nikolov, Schwartz and Singh (2018), we prove the existence of a slowed-down sticky Brownian motion whose induced rounding for MAXCUT attains the Goemans--Williamson approximation ratio. This is an especially simple particular case of the general rounding framework of Krivine diffusions that we investigate elsewhere.

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