Abstract separation theorems of Rodé type and their applications
Volume 72 / 1999
Annales Polonici Mathematici 72 (1999), 207-217
DOI: 10.4064/ap-72-3-207-217
Abstract
Sufficient and necessary conditions are presented under which two given functions can be separated by a function Π-affine in Rodé sense (resp. Π-convex, Π-concave). As special cases several old and new separation theorems are obtained.