Top network posts

• 41 third stable homotopy group of spheres via geometry?
• 39 Understanding/Mastering Analysis in Topology, necessary?
• 29 Are there any very hard unknots?
• 15 Immersion of $S^1$ in $\mathbb{R}^2$ that can be extended to $\mathbb{D}$
• 14 Why do people study representations of 3-manifold groups into $SL(n,\mathbb{C})$?
• 14 Which curves and surfaces are realizable by linkages? references?
• 11 Teaching Steenrod Operations
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