Charles Siegel's user avatar
Charles Siegel's user avatar
Charles Siegel's user avatar
Charles Siegel
  • Member for 14 years, 6 months
  • Last seen more than 8 years ago
74 votes
7 answers
31k views

A learning roadmap for Representation Theory

45 votes
1 answer
13k views

Consequences of Geometric Langlands

38 votes
2 answers
7k views

Intuition for Primitive Cohomology

35 votes
6 answers
6k views

Applications of noncommutative geometry

31 votes
7 answers
3k views

Does every ODE comes from something in physics?

30 votes
3 answers
3k views

Sheaf description of $G$-bundles

27 votes
4 answers
2k views

What is the relationship between various things called holonomic?

26 votes
4 answers
6k views

Why do people think that abelian varieties are the hardest case for the Hodge conjecture?

26 votes
1 answer
3k views

Stein Manifolds and Affine Varieties

22 votes
7 answers
2k views

Higher-dimensional Gromov-Witten theories

20 votes
3 answers
2k views

Exercises in Hodge Theory

20 votes
8 answers
4k views

Cogroup objects

19 votes
1 answer
3k views

When does the Torelli Theorem hold?

17 votes
12 answers
10k views

How seriously should a graduate student take teaching evaluations? [closed]

17 votes
2 answers
2k views

How much theory works out for "almost commutative" rings?

17 votes
7 answers
6k views

Langlands Dual Groups

16 votes
3 answers
5k views

What is an Oper?

14 votes
2 answers
3k views

What do intermediate Jacobians do?

14 votes
2 answers
1k views

When is a homogeneous space a variety?

14 votes
2 answers
2k views

Picard Groups of Moduli Problems

14 votes
11 answers
4k views

Math History books

14 votes
5 answers
971 views

How can I write down polynomial relations that define when a polynomial is a square?

13 votes
2 answers
999 views

Rationality of GIT quotients

12 votes
3 answers
865 views

Schemes of Representations of Groups

12 votes
3 answers
1k views

Equations for Integrable Systems

11 votes
3 answers
2k views

Nonprojective Surface

11 votes
4 answers
3k views

Smoothness of Symmetric Powers

11 votes
4 answers
2k views

Examples of Poisson schemes

11 votes
5 answers
2k views

Classical Enumerative Geometry References

10 votes
2 answers
3k views

Algorithm for decomposing permutations