Lately I have been teaching myself higher level physics and mathematics – reading books and watching Youtube videos on the subject. Here I am going to post some links to the resources I have been using for anyone else who may be interested. These resources are obviously not exhaustive of all the resources out there, but they’re the ones I’ve found to be very helpful. As I continue learning about these subjects, I will periodically update this post.
Lie Group
Lie Groups Simplified: the Symmetry Underlying the Laws of Physics
The laws of physics, to the amateur science enthusiast, can sometimes seem like a disparate bunch of equations without any real underlying connection. That doesn’t seem good enough, so you dig a little deeper, and soon discover that there is this thing called Lie Theory, with Lie Groups and Lie Algebras. You want to find out what all this is, and the only things you can find just give you another bunch of equations and leave it there as if those unexplained symbols are good enough for you to understand. Well, I’m at that point, and here I am going to talk about Lie Theory and its connection to physics in hopes that explaining things simply and intuitively will help me to better understand it – and if that helps any readers understand it better, that’s good, too.