3rd International Symposium on
Imprecise Probabilities and Their Applications

ISIPTA '03

University of Lugano
Lugano, Switzerland
14-17 July 2003

ELECTRONIC PROCEEDINGS

Sebastian Maass

Continuous Linear Representation of Coherent Lower Previsions

Abstract

This paper studies the possibility of representing lower previsions by continuous linear functionals. We prove the existence of a linear isomorphism between the linear space spanned by the coherent lower previsions and that of an appropriate space of continuous linear functionals. Moreover, we show that a lower prevision is coherent if and only if its transform is monotone. We also discuss the interpretation of these results and the new light they shed on the theory of imprecise probabilities.

Keywords. Coherent Lower Previsions, Moebius transform, Choquet's Theorem, Bishop-de Leeuw Theorem, Dempster-Shafer-Shapley Representation Theorem.

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Authors addresses:

Bei den Drei Pfaehlen 87
28205 Bremen

E-mail addresses:

Sebastian Maass Sebastian.Maass@web.de


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