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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Spacetime algebra as a powerful tool for electromagnetism · HackerPapers discussions</title><link>https://hackerpaper.kaipfister.de/p/1411.5002/</link><description>Collected HN comments and submissions linking this paper.</description><language>en</language><lastBuildDate>Mon, 02 Nov 2026 11:16:22 GMT</lastBuildDate><atom:link href="https://hackerpaper.kaipfister.de/p/1411.5002/feed.xml" rel="self" type="application/rss+xml" /><item><title>Spacetime algebra as a powerful tool for electromagnetism — mentioned by msla</title><link>https://news.ycombinator.com/item?id=17937344</link><guid isPermaLink="false">urn:hackerpapers:mention:1411.5002:17937344</guid><pubDate>Fri, 07 Sep 2018 20:21:36 GMT</pubDate><description>&lt;p&gt;And if you take quaternions further, you end up with something you can generalize to any number of dimensions, which also unifies algebra and geometry in very nice ways: Clifford algebra. https://slehar.wordpress.com/2014/03/18/clifford-algebra-a-v... &amp;gt; Here we see the hierarchy of Clifford Algebras each with its own characteristic pattern of components, that appear in numbers corresponding to Pascal’s triangle. Two-dimensional clifs, Cl2 (the even sub-algebra) are mathematically isomorphic to complex numbers. Three-dimensional clifs, Cl3 are isomorphic to Pauli matrices used to model…&lt;/p&gt;&lt;p&gt;&lt;a href="https://hackerpaper.kaipfister.de/p/1411.5002/"&gt;Paper and discussion history&lt;/a&gt;. A mention is not an endorsement.&lt;/p&gt;</description><category>physics.optics</category></item></channel></rss>
