https://hackerpaper.kaipfister.de/p/math_9802029/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=17705557urn:hackerpapers:mention:math_9802029:17705557Tue, 07 Aug 2018 11:41:43 GMT<p>This is a pleasant but intentionally very elementary summary of the relevant concepts. If you&#x27;re interested in much more on this, one place to start is MO (https://mathoverflow.net/questions/4841/what-precisely-is-ca...), or the n-Category Café (https://golem.ph.utexas.edu/category/2008/10/what_is_categor...), or Baez&#x27;s TWF 121 (http://math.ucr.edu/home/baez/week121.html). Warning: all are much math-ier than Riehl&#x27;s very nice slides, although the first one has enough content that you may find an answer that you like. If your math itch still isn&#x27;t scratched, there&#x27;s Baez and Dolan&#x27;s paper…</p><p><a href="https://hackerpaper.kaipfister.de/p/math_9802029/">Paper and discussion history</a>. A mention is not an endorsement.</p>math.QA