184

Answers
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300
Examples of common false beliefs in mathematics. (5)
111
Colloquial catchy statements encoding serious mathematics (2)
100
Awfully sophisticated proof for simple facts
98
Real-world applications of mathematics, by arxiv subject area? (7)
95
Why is a topology made up of ‘open’ sets?
74
Thinking and Explaining
67
Knuth’s intuition that Goldbach might be unprovable
63
What is convolution intuitively?
56
How hard is it to compute the number of prime factors of a given integer?
55
Why do functions in complex analysis behave so well? (as opposed to functions in real analysis)
54
Why are proofs so valuable, although we do not know that our axiom system is consistent?
53
What are your experiences of handouts in mathematics lectures?
48
Is the boundary $\partial S$ analogous to a derivative?
44
Still Difficult After All These Years
43
Suggestions for good notation (2)
43
Mathematical habits of thought and action which would be of use to non-mathematicians
42
Why are there so many smooth functions?
42
Way to memorize relations between the Sobolev spaces?
41
Intuitive crutches for higher dimensional thinking
41
The “Dzhanibekov effect” - an exercise in mechanics or fiction? Explain mathematically a video from a space station
38
Why is differentiating mechanics and integration art? (2)
38
Why can’t there be a general theory of nonlinear PDE?
38
Intuition for Integral Transforms
37
On the series 1/2 + 1/3 + 1/5 + 1/7 + 1/11 + …
35
Why is Fourier analysis so handy for proving the isoperimetric inequality?
34
Can we unify addition and multiplication into one binary operation? To what extent can we find universal binary operations? (2)
33
Polynomial representing all nonnegative integers
32
Mathematicians who were late learners?-list
30
Anti-concentration bound for permanents of Gaussian matrices?
29
What makes four dimensions special?
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