Strictly extreme and strictly exposed points.
Qiu, Jing Hui, McKennon, Kelly (1994)
International Journal of Mathematics and Mathematical Sciences
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Qiu, Jing Hui, McKennon, Kelly (1994)
International Journal of Mathematics and Mathematical Sciences
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Javier Martínez-Maurica, C. Pérez García (1986)
Extracta Mathematicae
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Eriksson-Bique, Sirkka-Liisa (1994)
Annales Academiae Scientiarum Fennicae. Series A I. Mathematica
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Marek Lassak (1985)
Compositio Mathematica
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Juan Francisco Verdegay-López, Serafín Moral (2001)
Mathware and Soft Computing
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This paper studies the problem of marginalizing convex polytopes of probabilities represented by a set of constraints. This marginalization is obtained as a special case of projection on a specific subspace. An algorithm that projects a convex polytope on any subspace has been built and the expression of the subspace, where the projection must be made for obtaining the marginalization, has been calculated.
Gerard Sierksma, Klaas de Vos (1984)
Compositio Mathematica
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Marek Lassak (1986)
Colloquium Mathematicae
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Nachbin, Leopoldo (1993)
Portugaliae mathematica
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A. K. Roy (1975)
Annales de l'institut Fourier
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This paper gives necessary and sufficient conditions for the closure of a face in a compact convex set to be again a face. As applications of these results, several theorems scattered in the literature are proved in an economical and uniform manner.