Abstract separation theorems of Rodé type and their applications
Kazimierz Nikodem, Zsolt Páles, Szymon Wąsowicz (1999)
Annales Polonici Mathematici
Similarity:
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.