A Korovkin-type theorem for set-valued Hausdorff continuous functions

<span style="font-family: DejaVu Sans,sans-serif;">In this paper, we give a generalization of a Korovkin-type theorem for set-valued Hausdorff continuous functions (cf. [1] and [2]), by means of upper and lower envelopes.</span>

Bibliographic Details
Main Author: Michele Campiti
Format: Article
Language:English
Published: Università degli Studi di Catania 1987-11-01
Series:Le Matematiche
Online Access:http://www.dmi.unict.it/ojs/index.php/lematematiche/article/view/721