I wish people would stop posting links to SCMP, it’s a blatant propaganda rag. This article spends five sentences talking about the actual problem solved, and the rest is about the Chinese background of the authors, the Chinese social media reaction, and another unrelated Chinese mathematician who solved something. It doesn’t even link to the arxiv paper!<p>Here’s a sciam article that’s superior: <a href="https://www.scientificamerican.com/article/lofty-math-problem-called-hilberts-sixth-closer-to-being-solved/" rel="nofollow">https://www.scientificamerican.com/article/lofty-math-proble...</a>