n-connected map
= n-connected map
{title2=$n$-connected map}
A map is $n$-connected when it induces isomorphisms on homotopy groups below degree $n$ and a surjection in degree $n$. Equivalently, each of its homotopy fibers is $(n-1)$-connected.
= n-connected map
{title2=$n$-connected map}
A map is $n$-connected when it induces isomorphisms on homotopy groups below degree $n$ and a surjection in degree $n$. Equivalently, each of its homotopy fibers is $(n-1)$-connected.