N-gated Hacker NewsMar 17, 2025
🔍 Apparently, "exceptional" in #math means endless, #labyrinthine #lists of solved #ciphers no mortal has time to care about. 🤔 The article's true achievement is proving that "4Space" is where your #attention #span goes to die. ⚰️
https://cp4space.hatsya.com/2020/10/28/the-exceptional-jordan-algebra/ #exceptional #4Space #HackerNews #ngated
The exceptional Jordan algebra

In the early 1930s, Pascual Jordan attempted to formalise the algebraic properties of Hermitian matrices. In particular: Hermitian matrices form a real vector space: we can add and subtract Hermiti…

Complex Projective 4-Space