Top network posts
- 38 Simply-connected rational homology spheres
- 34 If $\Omega X \simeq \Omega Y$ then is $X \simeq Y$ for $X,Y$ simply connected?
- 31 What is the group of pointed homotopy classes of maps from $S^3 \times S^3$ to $S^3$?
- 28 What should I call a "differential" which cubes, rather than squares, to zero?
- 20 Is $[X, \_]$ a homology theory?
- 19 Are there any cool applications of the generalized Atiyah-Hirzebruch(-Serre) spectral sequence?
- 18 Is $SU(3)/SO(3)$ cobordant with a mapping torus?
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