Original paper was linked from article and is here [1].<p>Although I&#x27;m vaguely familiar with MCMC and Metropolis, it&#x27;s not nearly enough to pass comment on this advance.<p>[1] <a href="http:&#x2F;&#x2F;arxiv.org&#x2F;pdf&#x2F;1402.1694v4.pdf" rel="nofollow">http:&#x2F;&#x2F;arxiv.org&#x2F;pdf&#x2F;1402.1694v4.pdf</a>