Upper and lower cl-supercontinuous multifunctions

[EN] The notion of cl-supercontinuity ( clopen continuity) of functions is extended to the realm of multifunctions. Basic properties of upper(lower) cl-supercontinuous multifunctions are studied and their place in the hierarchy of strong variants of continuity of multifunctions is discussed. Example...

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Bibliographic Details
Authors: Kohli, J.K., Arya, Chaman Prakash
Format: article
Publication Date:2013
Country:España
Institution:Universitat Politècnica de València (UPV)
Repository:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Language:English
OAI Identifier:oai:riunet.upv.es:10251/87456
Online Access:https://riunet.upv.es/handle/10251/87456
Access Level:Open access
Keyword:upper(lower)cl-supercontinuous multifunction
strongly continuous multifunction
upper(lower) perfectly continuous multifunction
upper(lower) z-supercontinuous multifunction
upper( lower) D-supercontinuous multifunction
Description
Summary:[EN] The notion of cl-supercontinuity ( clopen continuity) of functions is extended to the realm of multifunctions. Basic properties of upper(lower) cl-supercontinuous multifunctions are studied and their place in the hierarchy of strong variants of continuity of multifunctions is discussed. Examples are included to reflect upon the distinctiveness of upper (lower) cl-supercontinuity of multifunctions from that of othe rstrong variants of continuity of multifunctions which already exist in the literature.