Connections between recent Olech-type lemmas and Visintin's theorem
Volume 32 / 1995
Banach Center Publications 32 (1995), 47-52
DOI: 10.4064/-32-1-47-52
Abstract
A recent Olech-type lemma of Artstein-Rzeżuchowski [2] and its generalization in [7] are shown to follow from Visintin's theorem, by exploiting a well-known property of extreme points of the integral of a multifunction.
