The barrier cone of a convex set and the closure of the cover.
Bair, J., Dupin, J.C. (1999)
Journal of Convex Analysis
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Bair, J., Dupin, J.C. (1999)
Journal of Convex Analysis
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Miroslav Fiedler, Vlastimil Pták (1978)
Czechoslovak Mathematical Journal
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Nicu Boboc, Gheorghe Bucur, A. Cornea (1975)
Annales de l'institut Fourier
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The -cone is an abstract model for the cone of positive superharmonic functions on a harmonic space or for the cone of excessive functions with respect to a resolvent family, having sufficiently many properties in order to develop a good deal of balayage theory and also to construct a dual concept which is also an -cone. There are given an integral representation theorem and a representation theorem as an -cone of functions for which fine topology, thinnes, negligible sets and the...
Németh, A.B. (2004)
Mathematica Pannonica
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Chai, Yan-Fei, Cho, Yeol Je, Li, Jun (2008)
Journal of Inequalities and Applications [electronic only]
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Skarpness, Brad, Sposito, V.A. (1982)
International Journal of Mathematics and Mathematical Sciences
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Robert Dylewski (2000)
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
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We present the numerical behavior of a projection method for convex minimization problems which was studied by Cegielski [1]. The method is a modification of the Polyak subgradient projection method [6] and of variable target value subgradient method of Kim, Ahn and Cho [2]. In each iteration of the method an obtuse cone is constructed. The obtuse cone is generated by a linearly independent system of subgradients. The next approximation of a solution is the projection onto a translated...