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    Yuchen Pei (semi@peister.org)'s status on Saturday, 21-Dec-2024 16:31:09 JST Yuchen Pei Yuchen Pei
    Quaternions and spherical trigonometry

    https://terrytao.wordpress.com/2024/12/19/quaternions-and-spherical-trigonometry/

    > Hamilton’s quaternion number system $latex {\mathbb{H}}&fg=000000$ is a non-commutative extension of the complex numbers, consisting of numbers of the form $latex {t + xi + yj + zk}&f…
    In conversation about 2 months ago from peister.org permalink

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      Quaternions and spherical trigonometry
      from Terence Tao
      Hamilton’s quaternion number system $latex {\mathbb{H}}&fg=000000$ is a non-commutative extension of the complex numbers, consisting of numbers of the form $latex {t + xi + yj + zk}&f…

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