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2d
answered problems from the scottish book
Apr
25
answered Counting bounded genus non-isomorphic graphs
Apr
19
answered how to get closed form integral of this expression
Apr
16
awarded  Popular Question
Apr
15
answered How many triangles can a connected graph with $n$ vertices and $m$ edges have?
Apr
14
awarded  Nice Answer
Apr
13
revised Conjugacy classes of $SL_2(Z)$
added another reference
Apr
13
answered Conjugacy classes of $SL_2(Z)$
Apr
12
answered Fourier transform of tanh
Apr
11
comment What does this proof of Fermat's little theorem mean for Euler's theorem?
@MoritzFirsching For almost all of my mathematical life I had only seen the Lagrange's theorem argument, I just found this in the last couple of months. So, to me, the Lagrange's theorem proof is "standard".
Apr
11
asked What does this proof of Fermat's little theorem mean for Euler's theorem?
Apr
11
answered Fast Fourier Transforms for non-trigonometric bases
Apr
11
comment Classification of elements in mapping class groups
@SamNead Does this person still exist?
Apr
9
answered Automorphism group of real orthogonal Lie groups
Apr
9
awarded  Popular Question
Apr
8
awarded  Nice Question
Apr
8
comment commutators in upper triangular matrices
@DerekHolt For that matter, $n=5, p=3$ seems a bit nontrivial head-on.
Apr
8
comment commutators in upper triangular matrices
@DerekHolt I am not sure what the non-naive methods would be...
Apr
8
asked commutators in upper triangular matrices
Apr
6
comment Abnormal subnormal series
@AlTal Right, this is why the case of $k>1$ is more interesting...