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Apr
4
awarded  Popular Question
Jan
30
asked highest weight of adjoint represesentation
Jan
5
comment Lie algebras over non-algebraically closed field
@MarianoSuárez-Alvarez Very well then. I'll try and get used to Bourbaki this semester. But I recently found Hilgert and Neeb's Structure and Geometry of Lie Groups and it's also what I'm looking for.
Jan
5
asked Lie algebras over non-algebraically closed field
Jan
1
accepted Hopf algebras and “unifying” representation theory
Dec
14
accepted Vectors fixed under compact subgroup
Nov
22
awarded  Popular Question
Nov
14
awarded  Yearling
Nov
9
awarded  Nice Question
Oct
31
asked Hopf algebras and “unifying” representation theory
Oct
18
comment Haar measure on $\mathbb{C} \setminus 0$.
@ThomasAndrews Don't you mean $S^1 \times \mathbb{R}^{+}$? That's what I had in my post. Unless your isomorphism is true as well and is more useful somehow.
Oct
18
asked Haar measure on $\mathbb{C} \setminus 0$.
Oct
17
accepted Peter-Weyl theorem versions
Oct
15
accepted Weights of $\mathfrak{sl}_2(\mathbb{C})$ representation
Oct
14
comment MATH PROBLEMS THIRD GRADE
pauli.uni-muenster.de/~munsteg/arnold.html "To the question "what is 2 + 3" a French primary school pupil replied: "3 + 2, since addition is commutative". He did not know what the sum was equal to and could not even understand what he was asked about!"
Oct
14
comment Peter-Weyl theorem versions
I greatly appreciate that you typed this out for me. However, I was thinking there would be a shorter argument, and one which had a more analytic than Lie-Theoretic feel.
Oct
14
comment Peter-Weyl theorem versions
@JohnMa I just want the group to satisfy whatever conditions the Peter-Weyl theorems require.
Oct
14
comment Peter-Weyl theorem versions
Sure. I don't think it matters to much at the end of the day.
Oct
14
asked Peter-Weyl theorem versions
Oct
13
comment Vectors fixed under compact subgroup
Let us continue this discussion in chat.