Top network posts

• 37 Simply-connected rational homology spheres
• 31 What is the group of pointed homotopy classes of maps from $S^3 \times S^3$ to $S^3$?
• 31 If $\Omega X \simeq \Omega Y$ then is $X \simeq Y$ for $X,Y$ simply connected?
• 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?
• 16 What is the first interesting matric Toda bracket in the stable homotopy of the sphere?
• 15 Hairy ball theorem for odd-dimensional spheres
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