User Dedalus

83 votes

18 answers

13k views

Contest problems with connections to deeper mathematics

asked Jul 7, 2011 at 18:09

42 votes

7 answers

30k views

Undergraduate roadmap to algebraic geometry?

asked Aug 11, 2010 at 22:53

29 votes

8 answers

4k views

When is something too big to be a set?

asked Jul 20, 2010 at 18:02

24 votes

3 answers

2k views

Explicit computations of the étale homotopy type?

asked Nov 21, 2012 at 17:27

17 votes

3 answers

3k views

Sheafification - Why does twice suffice?

asked Apr 30, 2012 at 14:49

9 votes

1 answer

1k views

What analysis should I know for studying Arakelov Theory?

asked Jun 6, 2013 at 7:09

9 votes

3 answers

1k views

Prepending strings to primes.

asked Dec 21, 2010 at 16:01

8 votes

4 answers

3k views

The fundamental groupoid and a pushout in the category of groupoids.

asked Sep 3, 2011 at 22:04

6 votes

6 answers

8k views

Tensor product and category theory

asked Jul 14, 2010 at 12:17

6 votes

2 answers

1k views

When is a statement provable?

asked Jul 22, 2010 at 9:33

5 votes

2 answers

2k views

How to study a math text [closed]

asked Aug 13, 2010 at 15:39

5 votes

2 answers

522 views

Essential geometric morphisms on the étale site.

asked Feb 26, 2013 at 17:27

1 vote

0 answers

190 views

Homotopy colimits over a certain subset category.

asked Mar 28, 2013 at 15:10

Stack Exchange Network

13 Questions

Contest problems with connections to deeper mathematics

Undergraduate roadmap to algebraic geometry?

When is something too big to be a set?

Explicit computations of the étale homotopy type?

Sheafification - Why does twice suffice?

What analysis should I know for studying Arakelov Theory?

Prepending strings to primes.

The fundamental groupoid and a pushout in the category of groupoids.

Tensor product and category theory

When is a statement provable?

How to study a math text [closed]

Essential geometric morphisms on the étale site.

Homotopy colimits over a certain subset category.