Constructing near-embeddings of codimension one manifolds with countable dense singular sets

D. Repovš, W. Rosicki, A. Zastrow +1

The purpose of this paper is to present, for all $n\ge 3$, very simple examples of continuous maps $f:M^{n-1}\to M^n$ from closed $(n-1)$-manifolds $M^{n-1}$ into closed $n$-man…