Thomas Kragh's user avatar
Thomas Kragh's user avatar
Thomas Kragh's user avatar
Thomas Kragh
  • Member for 14 years
  • Last seen more than a month ago
  • Uppsala, Sweden
24 votes
1 answer
5k views

Do "surjective" degree zero maps exist?

13 votes
1 answer
1k views

Is there a general statement about structures on spheres relating to division algebras?

13 votes
1 answer
4k views

Floer homology and status of the Arnold conjecture

12 votes
3 answers
3k views

Are the stiefel-Whitney classes of the tangent bundle determined by the mod 2 cohomology?

10 votes
1 answer
687 views

Real interpretations of Discontinuities in Floer homology

9 votes
1 answer
704 views

What is enough to conclude that something is a CW complex?

8 votes
0 answers
245 views

Parametrized cancelations in stable Morse theory

8 votes
3 answers
549 views

Reference for ring structure on Thom spectra

7 votes
1 answer
690 views

Parametrized Atiyah-Singer index theorem

4 votes
0 answers
295 views

What is enough to conclude that something is a CW complex (part II)?

3 votes
0 answers
266 views

Maps of loop spaces with infinity-bounded differential.

2 votes
1 answer
363 views

Auto equivalences of the spheres spectrum as a ring spectrum