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• 01:13, 5 August 2023 Eric Lengyel talk contribs created page Symmetries in Projective Geometric Algebra (Created page with "__NOTOC__ '''By Eric Lengyel'''<br /> October 19, 2020 This is a continuation of the post Projective Geometric Algebra Done Right from earlier this year. That post introduces the geometric antiproduct and the notation $$\unicode{x27D1}$$ and $$\unicode{x27C7}$$ used in this post. As before, everything in this post assumes familiarity with Chapter 4 of FGED1. I have been thinking about the geometric product and geometric antiproduct on a low-priority thread for most...")