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InfiniteLooper
  • Member for 6 years, 4 months
  • Last seen more than a week ago
  • Rio de Janeiro
382 votes
79 answers
175k views

Proofs without words

213 votes
15 answers
55k views

Why worry about the axiom of choice?

  • 27.3k
212 votes
20 answers
34k views

How can a mathematician handle the pressure to discover something new?

189 votes
88 answers
47k views

Examples of great mathematical writing

181 votes
47 answers
97k views

Magic trick based on deep mathematics

177 votes
61 answers
86k views

Interesting mathematical documentaries

164 votes
7 answers
16k views

Proofs of Bott periodicity

144 votes
26 answers
36k views

Has philosophy ever clarified mathematics?

141 votes
10 answers
16k views

Why are flat morphisms "flat?"

124 votes
22 answers
8k views

Books that teach other subjects, written for a mathematician

  • 501
113 votes
2 answers
27k views

Why is the Hodge Conjecture so important?

  • 1,233
95 votes
10 answers
12k views

equivalence of Grothendieck-style versus Cech-style sheaf cohomology

90 votes
4 answers
11k views

How can there be topological 4-manifolds with no differentiable structure?

  • 27.6k
81 votes
16 answers
7k views

Teaching homology via everyday examples

  • 19.2k
77 votes
15 answers
13k views

Why torsion is important in (co)homology ?

  • 21.6k
76 votes
2 answers
8k views

Complex structure on $S^6$ gets published in Journ. Math. Phys

75 votes
22 answers
13k views

Are there proofs that you feel you did not "understand" for a long time?

  • 2,259
73 votes
9 answers
12k views

understanding Steenrod squares

73 votes
9 answers
11k views

What is the significance of non-commutative geometry in mathematics?

66 votes
4 answers
9k views

$C^1$ isometric embedding of flat torus into $\mathbb{R}^3$

61 votes
12 answers
7k views

Why don't more mathematicians improve Wikipedia articles?

  • 111
61 votes
3 answers
16k views

Derived algebraic geometry: how to reach research level math?

  • 171
61 votes
14 answers
20k views

A reading list for topological quantum field theory?

  • 1,163
54 votes
5 answers
8k views

Why are spectral sequences so ubiquitous?

  • 24.5k
51 votes
4 answers
11k views

Explanation for the Chern character

44 votes
2 answers
5k views

Why should I care about topological modular forms?

  • 441
43 votes
6 answers
8k views

The 'real' use of Quantum Algebra, Non-commutative Geometry, Representation Theory, and Algebraic Geometry to Physics

  • 4,716
39 votes
1 answer
2k views

Silver's approach to the inconsistency of $\mathrm{ZFC}$

  • 2,153
38 votes
4 answers
6k views

Usefulness of Nash embedding theorem

37 votes
6 answers
7k views

Why does non-abelian group cohomology exist?