Tagged Questions
3
votes
0answers
43 views
Discrete subgroups of SU(n) and SO(n).
Thank you very much for your concern. I am in physics background, any simpler but complete explanation would be helpful.
I would like to know whether there is a complete understanding of discrete ...
0
votes
1answer
39 views
Projective linear group - solvable
Let $q\geq 5$ and let PGL(2,q) be the projective general linear group.
Question
Do there exists a $q$ such that PGL(2,q) is solvable?
2
votes
0answers
54 views
Lie Theory in Finite Groups
Currently, I have interest in Finite groups. I also want to learn Lie Groups, Lie algebras, and their representations. But I do not have any motivation for it.
Question What are simple but ...
2
votes
1answer
33 views
How can I show that $ASL_n(F)$ is acting 2-transitively?
One of my friends asked me to ask this question here. This is a question from his last exam:
Let $$ASL_n(F)=\{T_{A,v}:V_n(F)\to V_n(F)\mid\exists A\in SL_n(F), \exists v\in V_n(F), ...
0
votes
0answers
36 views
Smooth Action of a Finite Group
Suppose $H$ is a finite group acting smoothly on a smooth connected manifold $M$. The action is trivially proper, as $H$ is discrete. If the action of $H$ were also known to be free, i.e. $h\cdot ...
0
votes
0answers
70 views
The classification of irreducible representations of finite and compact Lie groups over $\mathbb{C}$
I just started reading a few lecture notes on representation theory and I was wondering about a big picture that one should keep in mind while reading through these lecture notes.
Have all ...
