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Qfwfq
  • Member for 14 years
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127 votes
13 answers
29k views

Why are modular forms interesting?

125 votes
15 answers
15k views

Does Physics need non-analytic smooth functions?

79 votes
15 answers
14k views

Why torsion is important in (co)homology ?

73 votes
13 answers
6k views

Why is Set, and not Rel, so ubiquitous in mathematics?

68 votes
5 answers
17k views

Mathematics of path integral: state of the art

64 votes
2 answers
13k views

What is descent theory?

61 votes
11 answers
7k views

Why certain diophantine equations are interesting (and others are not) ?

57 votes
14 answers
18k views

Open problems in Euclidean geometry?

53 votes
7 answers
4k views

How to know if somebody else is also working on your problem?

47 votes
11 answers
14k views

Standard model of particle physics for mathematicians

46 votes
6 answers
4k views

Is there a quaternionic algebraic geometry ?

44 votes
12 answers
9k views

How to explain to an engineer what algebraic geometry is?

43 votes
6 answers
7k views

Why are hypergeometric series important and do they have a geometric or heuristic motivation?

41 votes
1 answer
3k views

Are there any "homotopical spaces"?

40 votes
17 answers
10k views

Interesting mathematical topics arising from biology

37 votes
1 answer
3k views

Various flavours of infinitesimals

36 votes
3 answers
2k views

"Softness" vs "rigidity" in Geometry

35 votes
6 answers
8k views

What is the Zariski topology good/bad for?

34 votes
6 answers
3k views

Compactification theorem for differentiable manifolds ?

32 votes
3 answers
2k views

Proper subgroup of GL(n,Z) isomorphic to GL(n,Z)?

31 votes
4 answers
5k views

The Frobenius morphism

31 votes
2 answers
3k views

Current status of Grothendieck's homotopy hypothesis and Whitehead's algebraic homotopy programme

30 votes
4 answers
2k views

Algebraic (semi-) Riemannian geometry ?

29 votes
3 answers
3k views

What is the algebraic geometry version of the spheres?

29 votes
6 answers
4k views

What's "geometric algebra"?

28 votes
2 answers
2k views

"Are you taller than the average of those who are taller than the average?"

27 votes
14 answers
2k views

Characterizing specific "concrete" mathematical objects by abstract general properties

24 votes
8 answers
39k views

A symbol to denote the set of prime numbers ?

24 votes
1 answer
3k views

Linear Algebra without Choice

24 votes
2 answers
2k views

Relation between monads, operads and algebraic theories (Again)

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