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Yasha's user avatar
Yasha's user avatar
Yasha
  • Member for 12 years, 8 months
  • Last seen more than a week ago
6 votes
1 answer
1k views

On Brown representability theorem

5 votes
1 answer
223 views

Is the smooth singular simplicial set of a smooth manifold a Kan complex?

4 votes
0 answers
89 views

Extending morphisms in an $A_{\infty}$ category to natural transformations

4 votes
2 answers
517 views

Existence of "Continuous paths" in categories as directed systems

3 votes
0 answers
141 views

Growth of norm of curvature under direct sum or existence of universal connection

2 votes
1 answer
184 views

Does the group of compactly supported diffeomorphisms have the homotopy type of a CW complex?

2 votes
2 answers
263 views

Mean curvature upper bounds and area, or geodesic curvature upper bounds and length

2 votes
0 answers
346 views

Novikov conjecture

2 votes
1 answer
367 views

Chern numbers of primitive classes in BU

0 votes
2 answers
330 views

Diameter of immersed surfaces with bounded from above mean curvature

0 votes
1 answer
91 views

Isometries of manifolds with non-positive sectional curvature