International Journal of Stochastic Analysis

International Journal of Stochastic Analysis / 1999 / Article

Open Access

Volume 12 |Article ID 728142 | https://doi.org/10.1155/S1048953399000027

Ismat Beg, "Continuity of fuzzy multifunctions", International Journal of Stochastic Analysis, vol. 12, Article ID 728142, 6 pages, 1999. https://doi.org/10.1155/S1048953399000027

Continuity of fuzzy multifunctions

Received01 Oct 1997
Revised01 Jul 1998

Abstract

We define the upper and lower inverse of a fuzzy multifunction and prove basic identities. Then by using these ideas we introduce the concept of hemicontinuity and obtain many interesting properties of lower and upper hemicontinuous fuzzy multifunctions. Using the notion of hemicontinuity, we also characterize closed and open fuzzy mappings.

Copyright © 1999 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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