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lie groups - Lie Algebra of SO (n) - Mathematics Stack Exchange Welcome to the language barrier between physicists and mathematicians Physicists prefer to use hermitian operators, while mathematicians are not biased towards hermitian operators So for instance, while for mathematicians, the Lie algebra so(n) consists of skew-adjoint matrices (with respect to the Euclidean inner product on Rn), physicists prefer to multiply them by I think − i (or maybe
Fundamental group of the special orthogonal group SO(n) Question: What is the fundamental group of the special orthogonal group $SO (n)$, $n>2$? Clarification: The answer usually given is: $\mathbb {Z}_2$ But I would like
Prove that the manifold $SO (n)$ is connected The question really is that simple: Prove that the manifold $SO (n) \subset GL (n, \mathbb {R})$ is connected it is very easy to see that the elements of $SO (n
Lie Algebra of U(N) and SO(N) - Mathematics Stack Exchange U (N) and SO (N) are quite important groups in physics I thought I would find this with an easy google search Apparently NOT! What is the Lie algebra and Lie bracket of the two groups?
Help with a proof that SO (n) is path-connected. I've found lots of different proofs that SO (n) is path connected, but I'm trying to understand one I found on Stillwell's book "Naive Lie Theory" It's fairly informal and talks about paths in a very