All Questions

In 3-manifold topology, the notion of Seifert surface is well known. It is then used to define link numbers of knots. Question: Consider embedding $N^n \rightarrow M^{2n+1}$ of n-dimensional manifold $...

What are some of the most symmetric configurations of four 2-surfaces linked in the 4-dimensional sphere $S^4$? To make a lower-dimensional analogy, recall that in 3-dimensional sphere $S^3$, we can ...