Uniwersytet Jagiellonski, Instytut Matematyki, ul. Reymonta 4, 30-059 Kraków, Poland ; URA 225 du CNRS, UFR MIM, Université de Provence, 3 Place Victor Hugo, 13331 Marseille Cedex 3, France
Abstract:
We construct a compact Whitney-stratified curve in , such that each of its plane projections has an infinite number of multiple points.