Learning is a mess

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visits member for 1 year, 4 months
seen Jun 2 '13 at 15:40

Coraçao Atlântico


Dec
14
awarded  Yearling
May
29
accepted Is there an image to the point at infinity through this map?
May
29
asked Is there an image to the point at infinity through this map?
May
13
awarded  Caucus
May
6
revised Does holomorphic mean invertible?
edited title
May
6
accepted Does holomorphic mean invertible?
May
6
asked Does holomorphic mean invertible?
Mar
28
comment Why is the Riemann sphere the compactified complex plane?
Thank you for the example of single point compactification of $\mathbb{R}$, it was very insightful.
Mar
28
accepted Why is the Riemann sphere the compactified complex plane?
Mar
28
asked Why is the Riemann sphere the compactified complex plane?
Feb
28
awarded  Teacher
Feb
27
answered Fourier transform
Feb
25
comment Looking for a quick way to prove a matrix identity
Nowhere further, I thought that it would exist a demonstration of that no longer than a few lines.
Feb
25
comment Looking for a quick way to prove a matrix identity
What I have in mind is a bit more precise, if you look at a certain 3*3 matrix C, which commutes with any element of SO(3) it needs to be proportional to the identity.
Feb
25
awarded  Commentator
Feb
25
comment Looking for a quick way to prove a matrix identity
And if $[A,B] = AB - BA$ is invertible?
Feb
25
revised Looking for a quick way to prove a matrix identity
added 35 characters in body
Feb
25
comment Looking for a quick way to prove a matrix identity
Yes you're right I should have added that A and B are invertible.
Feb
25
asked Looking for a quick way to prove a matrix identity
Feb
14
awarded  Supporter