https://hackerpaper.kaipfister.de/p/1905.09809/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=30814636urn:hackerpapers:mention:1905.09809:30814636Sat, 26 Mar 2022 19:32:25 GMT<p>Think about 2D surfaces. Which ones are the most symmetric? A flat plane is a very nice space: every point is as good as any other (there’s nothing intrinsic to any point to distinguish any point from any other, except arbitrarily), and no direction is particularly special either. A space like that has a lot of symmetries. A sphere also has a lot of symmetries, it also has no directions or points which are distinguished until you declare, “this is my North Pole” arbitrarily. (The earth isn’t a perfect sphere of course and we can use the imperfections as the way we define north and south.) The…</p><p><a href="https://hackerpaper.kaipfister.de/p/1905.09809/">Paper and discussion history</a>. A mention is not an endorsement.</p>hep-th