Some articles that contain a lot of math and LaTeX blocks may take a while to render. They may take so long that your browser will end up timing out, producing a 502 error. The trick to display these articles is to refresh the page a few times. After 3 or 4 refreshes, the article will be loaded in the browser cache and it will appear (you only have to do this once).

We are aware that this is an issue and we are working to make article loading as fast as possible, even for long, complex articles.

If you still experience a problem, let us know
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