FRANCESCA PAPALINI
La K-midpoint convessitā (concavitā) e la K-semicontinuitā inferiore
(superiore) di una multifunzione
Pages 149-159
Received: 25 November 1989
Abstract
In this paper we obtain a sufficient condition for a K-midpoint*convex (k-midpoint*concave) multifunction on a point to be K-lower semicontinuous (k-upper semicontinuous) on the same point.
These results contain or extended various results stated by K. Nikodem.