The intersection convolution of relations and the Hahn-Banach type theorems
Árpád Száz · Annales Polonici Mathematici · 1998
By introducing the intersection convolution of relations, we prove a natural generalization of an extension theorem of B. Rodrí guez-Salinas and L. Bou on linear selections which is already a substantial generalization of the classical Hahn-Banach theorem