176

Answers
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119
Not especially famous, long-open problems which anyone can understand (4)
64
Examples of common false beliefs in mathematics. (2)
60
What if Current Foundations of Mathematics are Inconsistent?
42
Examples of interesting false proofs (2)
37
Examples of statements that provably can’t be proved using a promising looking method (2)
34
Theorems that are ‘obvious’ but hard to prove (2)
32
Is PA consistent? do we know it? (2)
31
Proofs of the uncountability of the reals.
31
Publishing a bad paper?
30
Generalizing a problem to make it easier (2)
30
The unification of Mathematics via Topos Theory
29
Changing field of study post-PhD
27
Getting nervous refereeing a paper
27
Why is it hard to prove that the Euler Mascheroni constant is irrational?
26
Is pi = log_a(b) for some integers a, b > 1?
26
Proofs that require fundamentally new ways of thinking
26
On starting graduate school and common pitfalls…
25
Given a polynomial-time algorithm, can we compute an explicit polynomial time bound just from the program?
25
Logic in mathematics and philosophy
25
Famous mathematicians with background in arts/humanities/law etc
23
Is pi a good random number generator?
23
What are some reasonable-sounding statements that are independent of ZFC?
22
Is there a theorem that says that there is always more than one way to “continue a finite sequence”?
21
What is so “spectral” about spectral sequences?
21
Fields of mathematics that were dormant for a long time until someone revitalized them (2)
21
Knuth’s intuition that Goldbach might be unprovable
21
Widely accepted mathematical results that were later shown wrong? (2)
20
“Industry”/Government jobs for mathematicians
20
Noteworthy achievements in and around 2010?
20
Jokes in the sense of Littlewood: examples?
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