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Uncertainty orders on the sublinear expectation space

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Tian D., Jiang L.

Open Mathematics

2016

tom 14

nr 1

247-259

In this paper, we introduce some definitions of uncertainty orders for random vectors in a sublinear expectation space. We all know that, under some continuity conditions, each sublinear expectation 𝔼 has a robust representation as the supremum of a family of probability measures. We describe uncertainty orders from two different viewpoints. One is from sublinear operator viewpoint. After giving definitions such as monotonic orders, convex orders and increasing convex orders, we use these uncertainty orders to derive characterizations for maximal distributions, G-normal distributions and G-distributions, which are the most important random vectors in the sublinear expectation space theory. On the other hand, we also establish some uncertainty orders’ characterizations from the viewpoint of probability measures and build some connections with the theory of risk measures.

Ograniczanie wyników

1 Open Mathematics

1 Jiang L.

1 Tian D.

1 2016

Wyniki wyszukiwania

Uncertainty orders on the sublinear expectation space