11

Questions

8
16
votes
5
answers
1k
views

Nice proofs of the Poincaré–Birkhoff–Witt theorem

feb 6 at 16:19 David Jordan 4,100724

3
8
votes
2
answers
554
views

Notes for Bott’s 1963 lectures on Morse theory

dec 13 at 12:27 David Farris 814

13
22
votes
1
answer
1k
views

How were moduli spaces defined before functors?

nov 17 at 22:46 David Corwin 6,7302357

19
18
votes
4
answers
2k
views

Motivation/interpretation for Quillen’s Q-construction?

dec 11 11 at 15:20 John Klein 7,2561928

 
3
votes
1
answer
298
views

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

sep 1 11 at 19:26 Anthony Quas 6,31511229

3
5
votes
4
answers
634
views

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

jun 14 11 at 0:34 Bhargav 1,17356

5
8
votes
4
answers
811
views

Techniques for computing cup products in singular cohomology

may 14 11 at 19:28 Peter May 12.3k13955

2
8
votes
2
answers
338
views

Doing explicit computations with coordinate rings

feb 20 11 at 22:39 Karl Schwede 11.7k11435

2
2
votes
4
answers
749
views

Interesting examples of flasque sheaves?

feb 18 11 at 17:50 roy smith 5,0263629

29
37
votes
8
answers
3k
views

What is the motivation for a vertex algebra?

feb 2 11 at 14:46 Richard Borcherds 14.2k25482

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