MathOverflow
user332's user avatar
user332's user avatar
user332's user avatar
user332
  • Member for 13 years, 5 months
Profile Activity

11 Questions

Score Activity Newest Views
79 votes
8 answers
13k views

What is the motivation for a vertex algebra?

52 votes
9 answers
8k views

Nice proofs of the Poincaré–Birkhoff–Witt theorem

28 votes
1 answer
2k views

How were moduli spaces defined before functors?

26 votes
4 answers
2k views

What is an example of a presheaf P where P^+ is not a sheaf, only a separated presheaf?

24 votes
4 answers
4k views

Motivation/interpretation for Quillen's Q-construction?

18 votes
4 answers
3k views

Techniques for computing cup products in singular cohomology

12 votes
4 answers
1k views

For which hypersurfaces in projective space does the complement admit an algebraic group structure?

8 votes
2 answers
407 views

Doing explicit computations with coordinate rings

8 votes
2 answers
1k views

Notes for Bott's 1963 lectures on Morse theory

7 votes
2 answers
900 views

Example of a measure-preserving system with dense orbits that is not ergodic

5 votes
4 answers
3k views

Interesting examples of flasque sheaves?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.