user avatar
user avatar
user avatar
Marc Besson
  • Member for 4 years, 5 months
  • Last seen this week
980 votes
281 answers
311k views

Examples of common false beliefs in mathematics

  • 27.6k
410 votes
89 answers
139k views

Video lectures of mathematics courses available online for free

  • 888
225 votes
37 answers
147k views

Best algebraic geometry textbook? (other than Hartshorne)

  • 81
187 votes
46 answers
25k views

Books you would like to read (if somebody would just write them...)

186 votes
18 answers
12k views

Great graduate courses that went online recently

  • 13.3k
172 votes
123 answers
57k views

Most memorable titles

  • 27.8k
137 votes
14 answers
42k views

Why study Lie algebras?

137 votes
11 answers
24k views

Is Fourier analysis a special case of representation theory or an analogue?

118 votes
10 answers
23k views

Should the formula for the inverse of a 2x2 matrix be obvious?

  • 6,931
102 votes
12 answers
30k views

Where are mathematics jobs advertised if not on mathjobs (e.g. in Europe and elsewhere)?

90 votes
36 answers
15k views

The concept of duality

  • 27.8k
82 votes
13 answers
21k views

How has modern algebraic geometry affected other areas of math?

  • 1,873
80 votes
8 answers
11k views

What are the local Langlands conjectures nowadays, for connected reductive groups over a $p$-adic field?

78 votes
8 answers
12k views

What is the motivation for a vertex algebra?

  • 3,740
77 votes
23 answers
17k views

Algebraic geometry examples

71 votes
7 answers
15k views

What is an intuitive view of adjoints? (version 1: category theory)

67 votes
12 answers
13k views

Life after Hartshorne (the book, not the person)...

  • 191
64 votes
17 answers
14k views

Good introductory references on algebraic stacks?

  • 1,518
59 votes
1 answer
5k views

Double affine Hecke algebras and mainstream mathematics

  • 5,993
58 votes
4 answers
5k views

Why do Todd classes appear in Grothendieck-Riemann-Roch formula?

57 votes
9 answers
14k views

Learning Class Field Theory: Local or Global First?

51 votes
5 answers
6k views

Beautiful descriptions of exceptional groups

  • 1,288
49 votes
6 answers
5k views

Open affine subscheme of affine scheme which is not principal

  • 4,983
48 votes
10 answers
9k views

What are dessins d'enfants?

47 votes
5 answers
7k views

What role does the "dual Coxeter number" play in Lie theory (and should it be called the "Kac number")?

46 votes
2 answers
3k views

Which philosophy for reductive groups?

45 votes
39 answers
8k views

What out-of-print books would you like to see re-printed?

41 votes
16 answers
40k views

Good algebraic number theory books

40 votes
12 answers
6k views

Why is the definition of the higher homotopy groups the "right one"?

  • 6,934
39 votes
13 answers
14k views

What is a good introductory text for moduli theory?

  • 1,881
1
2 3 4 5 6