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seen Jun 10 at 13:36

Learning from scratch.


Nov
17
awarded  Popular Question
Oct
15
awarded  Nice Question
Aug
10
awarded  Nice Question
Jun
17
awarded  Nice Question
Jun
8
awarded  Constituent
Jun
8
awarded  Caucus
Jun
8
awarded  Popular Question
Mar
17
awarded  Yearling
Mar
9
comment Which function's Fourier transform is the function itself?
Also, have a look at the answers here.
Feb
28
comment Is a good GRE score enough for a non-math graduate to be accepted in a decent pure mathematics graduate program?
What comes under the purview of weak math background in your opinion? Non-math undergrad major? Math Major with weak scores? Would a non-math undergrad major (engg/physics) with strong scores in math courses count as weak? Thank you.
Jan
12
awarded  Nice Question
Jan
5
comment Notation: $\operatorname{diag}(v,v)$ for a matrix?
I have printed notes from previous years. On searching google books with the context, I found it used here
Jan
5
asked Notation: $\operatorname{diag}(v,v)$ for a matrix?
Dec
9
comment Showing two matrices are similar
Sorry,you all were right. I made a type in the third matrix
Dec
9
accepted Showing two matrices are similar
Dec
9
revised Showing two matrices are similar
edited body
Dec
9
comment Showing two matrices are similar
@Henning Sorry. I am following a physics book and these matrices are actually representations. Two representations were defined to be equivalent if their matrices are related by a similarity transformation. This was what I had in my mind.
Dec
9
comment Showing two matrices are similar
Yes, I am sure. The first three matrices are what physicists call spin 1 representation. The final three matrices are the adjoint representation of SU(2) (excluding a phase factor of -i). The question is to show that the two representations are equivalent (a result which is used later to construct roots). I phrased only the computational part in my question.
Dec
9
revised Showing two matrices are similar
edited title
Dec
8
asked Showing two matrices are similar