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Dec
1
awarded  Yearling
Oct
30
reviewed Approve General Formula for Polynomial Division
Oct
18
accepted Proving that $U(n)\subset SO(2n)$
Oct
18
comment Proving that $U(n)\subset SO(2n)$
Oh, that was elegant!! Thank you.
Oct
18
revised Proving that $U(n)\subset SO(2n)$
added 99 characters in body
Oct
18
asked Proving that $U(n)\subset SO(2n)$
Sep
23
awarded  Notable Question
Sep
11
awarded  Necromancer
Aug
31
reviewed Approve Show that a polar equation describes a circle
Jul
31
revised How following matrices equation is solved?
math type
Jul
31
comment How following matrices equation is solved?
What do the $[]$ mean?
Jul
2
comment Show that $A^k$ has eigenvalues $\lambda^k$ and eigenvectors $v$.
I find your proof more simple, more direct, more general and more obvious, thus much better.
Jun
24
awarded  Popular Question
Jun
21
awarded  Tenacious
Jun
19
revised Why are these curves' points called rational?
added 2 characters in body
Jun
19
comment Why are these curves' points called rational?
Thanks for the answer and explanation
Jun
19
accepted Why are these curves' points called rational?
Jun
19
comment Why are these curves' points called rational?
Ok, thank you very much for the answer and the example. Which by the way... is it right? $i^4+i^4=2=\sqrt 2^4=4$? Should the curve have a $2$ coefficient multiplying the $x$ and $y$ terms?
Jun
19
asked Why are these curves' points called rational?
Jun
17
comment Proposed proof of topological result
Other than that, I find it perfect. Try to separate paragraphs though, it's a bit hard to read.