Singular points of complex surfaces and homotopy. (English) Zbl 0477.57021
MSC:
57R90 | Other types of cobordism |
55Q45 | Stable homotopy of spheres |
32Sxx | Complex singularities |
32S45 | Modifications; resolution of singularities (complex-analytic aspects) |
57R25 | Vector fields, frame fields in differential topology |