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cactus314
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question
58
block matrix multiplication
May 9, 2014
answer
46
Why does $\cos(x) + \cos(y) - \cos(x + y) = 0$ look like an ellipse?
Jun 23, 2015
question
42
$\pi^4 + \pi^5 \approx e^6$ is anything special going on here?
Jun 14, 2014
answer
38
How do I sell out with abstract algebra?
Apr 23, 2013
answer
36
Are there any differences between tensors and multidimensional arrays?
Feb 5, 2015
answer
33
Studying for the Putnam Exam
Feb 22, 2013
question
27
$\det\left(6(A^3+B^3+C^3)+I_{2}\right)\ge 5^2\det(A^2+B^2+C^2)$ for $2 \times 2$ matrices
Jan 8, 2017
question
22
Why is $\zeta(1+it) \neq 0$ equivalent to the prime number theorem?
Jul 30, 2015
answer
20
Nobody told me that self teaching could be so damaging...
Nov 29, 2014
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18
Why is $1 - \frac{1}{1 - \frac{1}{1 - \ldots}}$ not real?
Mar 4, 2016

Top Meta posts

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About a question on formalising "interestingness" in mathematics
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Does the number of questions exceed the number of active participants?
3
what are signatures of good questions on math.SE and how can they be quantified?

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346
After installing with pip, "jupyter: command not found"
82
5/8 bound in group theory
61
Is Morse code without spaces uniquely decipherable?
42
How to zip a list of files in Linux
41
"Entropy" proof of Brunn-Minkowski Inequality?