[q_revert]

I think this is the paper, which oddly isn't linked in the article:

https://arxiv.org/abs/1509.01618

[sidrajaram]

That seems to be a precursor to the work mentioned in the article. This is the one that was presented at NIPS this year: https://papers.nips.cc/paper/6182-fast-mixing-markov-chains-...

[ultrafilter]

The article has a link in a sidebar:

https://arxiv.org/abs/1608.01008v2