Maximum convex hulls of connected systems of segments and of polyominoes.
Bezdek, Károly, Braß, Peter, Harborth, Heiko (1994)
Beiträge zur Algebra und Geometrie
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Bezdek, Károly, Braß, Peter, Harborth, Heiko (1994)
Beiträge zur Algebra und Geometrie
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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...
Pennanen, Teemu (1999)
Journal of Convex Analysis
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O. Hadžić (1977)
Publications de l'Institut Mathématique
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Hidetaka Hamada, Gabriela Kohr (2002)
Annales Polonici Mathematici
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We define and investigate the notion of k-convexity in the sense of Mejia-Minda for domains in ℂⁿ and also that of k-convex mappings on the Euclidean unit ball.
Podkorytov, S.S. (2005)
Journal of Mathematical Sciences (New York)
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J. Achari (1979)
Matematički Vesnik
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Termwuttipong, Imchit, Kaewtem, Thanatkrit (2010)
Fixed Point Theory and Applications [electronic only]
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Achim Clausing (1978)
Mathematische Zeitschrift
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W. Kirk, W. Ray (1979)
Studia Mathematica
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Roux, D., Singh, S.P. (1989)
International Journal of Mathematics and Mathematical Sciences
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Sever Silvestru Dragomir (1993)
Extracta Mathematicae
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