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alexkritchevsky.com | ||
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terathon.com
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| | | | | [AI summary] The provided text is a detailed critique of the book 'Projective Geometric Algebra' by the authors, highlighting numerous errors and misunderstandings in their treatment of geometric algebra, particularly in areas such as norms, duality, and the Hodge dual. The author of the critique points out that the book's definitions and explanations are often incorrect, misleading, or based on flawed reasoning. Key issues include the misuse of the Hodge dual, incorrect definitions of norms, and a lack of understanding of fundamental concepts like operator duality and the relationship between different types of norms. The critique also addresses the authors' attempts to compare the efficiency of PGA operators with matrices, which are shown to be misleading.... | |
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mathenchant.wordpress.com
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| | | | | And how naive to have imagined that the series ended at this point, in only three dimensions! ???????????? 2001, A Space Odyssey, by Arthur C. Clarke The German philosopher-scientist Gottfried Leibniz dreamed of a universal language and a method of calculation to go with it, so that, if disputes arose on any subject, a disputant | |
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rjlipton.com
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| | | | | A new way to write mathematics Vladimir Voevodsky won the Fields Medal in 2002 for his work on homotopy theory of algebraic varieties. Using his pioneering methods he proved, among many other things, a deep conjecture of John Milnor, that had been open for decades. Today I want to talk about, no, rant about, a... | |
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keymaterial.net
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| | | Sigh. I really didn't want to have to write this blog post. There is a story going around, claiming that the NSA somehow unduly influenced NIST to choose Kyber over NTRU, despite Kyber not being secure enough. The story is based on this blog post, by famous cryptographer Daniel J. Bernstein (also known as djb),... | ||
