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The Mathemagician
  • Member for 14 years, 2 months
  • Last seen more than a month ago
68 votes
12 answers
28k views

Algebraic topology beyond the basics: any texts bridging the gap?

54 votes
6 answers
8k views

"Why the heck are the homotopy groups of the sphere so damn complicated?"

36 votes
11 answers
10k views

Categories First Or Categories Last In Basic Algebra?

32 votes
5 answers
7k views

The interrelationship problem of modern mathematics – How to deal with it in first year graduate courses?

23 votes
3 answers
8k views

Functions of several complex variables: book recommendations?

9 votes
3 answers
3k views

Historical transition from classical homotopy to modern homotopy theory

8 votes
2 answers
2k views

Are Finsler manifolds semi-Riemannian?

4 votes
2 answers
4k views

"Internal" versus "external" definitions of functions: equivalent foundations for mathematics?

1 vote
1 answer
3k views

The Simply Connected Subgroups of GLn(C)?

0 votes
2 answers
2k views

Are there applications of category theory to countable sets?