A theorem on the common fixed point in locally convex spaces
O. Hadžić (1982)
Matematički Vesnik
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O. Hadžić (1982)
Matematički Vesnik
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O. Hadžić (1978)
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O. Hadžić (1977)
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L. L. Veselý, L. Zajíček
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We investigate delta-convex mappings between normed linear spaces. They provide a generalization of functions which are representable as a difference of two convex functions (labelled as 5-convex or d.c. functions) and are considered in many articles. We show that delta-convex mappings have many good differentiability properties of convex functions and the class of them is very stable. For example, the class of locally delta-convex mappings is closed under superpositions and (in some...
O. Hadžić, B. Stanković (1970)
Publications de l'Institut Mathématique
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O. Hadziz (1978)
Publications de l'Institut Mathématique [Elektronische Ressource]
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O. Hadžić (1977)
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