To get MathJax to work

To get MathJax to work I had to go to themes and choose "Edit HTML" and then just underneath the <head> tag I had to add the following highlighted portion (which enables MathJax and also allows single dollar signs to represent inline latex)

Or to see it full size

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More about rotations in 4 dimensions.

It is easy to take a quaternion and recognize the rotation it actually represents. This is about doing the same thing for 4 dimensional rota...

  • More about rotations in 4 dimensions.
    It is easy to take a quaternion and recognize the rotation it actually represents. This is about doing the same thing for 4 dimensional rota...
  • Rotations in 4D
    So the geometric algebra specifies a rotation on $\mathbb{R}^n$ in quite a nice form. Given unit vectors $a,b$ then defining $\sigma\colon ...
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    So the wedge product can be defined by simply setting a basis $e_i$ and requiring that $e_i \wedge e_j = - e_j \wedge e_i$ for $i \neq j$ an...