Department of Mathematics, Nara University of Education, Takabatake, Nara 630-8528, Japan ; Yamadanishi 2-9,A3-612 Suita, Osaka 565-0824, Japan
Abstract:
Let be the graph of a continuous map of the unit sphere of into , and the polynomially convex hull of . Several examples of for are given, which have different properties from the known ones for .