https://hackerpaper.kaipfister.de/p/astro-ph_0003124/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=15110949urn:hackerpapers:mention:astro-ph_0003124:15110949Sun, 27 Aug 2017 14:36:46 GMT<p>In terms of cosmology, the physically observable universe does have (some) fractal structure or features--, primarily to the existence of multi-scale primordial (quantum) fluctuations. https://en.wikipedia.org/wiki/Primordial_fluctuations https://arxiv.org/abs/astro-ph/0003124 On the other hand, at very large scales the universe is expressly homogenous (smooth) https://www.space.com/17234-universe-fractal-large-scale-the... W/r to larger and more wide-ranging questions, e.g. if the mutli-verse has some sort of deep fractal meta-structure, and/or the recursion of fundamental quantum computing…</p><p><a href="https://hackerpaper.kaipfister.de/p/astro-ph_0003124/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph