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ON SOME WEAK FORMS OF CONTINUITY FOR MULTIFUNCTIONS

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Abstract (2. Language): 
The authors define a multifunction F : (X,mx) —•' (Yta) to be weak).}/ m-continuous i'i for each point x € X and any open sets Gi, Gi of Y such that F(x) c Gi and F(x) f) G<i ^ 0, there exists an mx-open set, U of X containing x such that F(u) <Z Cl(G'i) and F(u) D C1(G12) 7^ 0 for every u e U. They obtain several characterizations and properties concerning weakly m-continuous multifunctions.
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