Existence theorems of fold-maps [article]

Yoshifumi Ando
2003 arXiv   pre-print
A smooth map having only fold singularities is called a fold-map. We will give effective conditions for a continuous map to be homotopic to a fold-map from the viewpoint of the homotopy principle.
arXiv:math/0309141v2 fatcat:jtfkefocmjfmtfeqnlsfsq7q2e