5
$\begingroup$

This question has been inspired by covering 3-torus post.

Is it true that any good (smooth, compact, oriented) $n$-manifold can be mapped to $S^n$ in such a way that the map is true covering away from codimension 2?

$\endgroup$

1 Answer 1

11
$\begingroup$

Yes. See Feighn's short note "Branched covers according to J.W. Alexander".

$\endgroup$

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .