نتایج جستجو برای: concave functions
تعداد نتایج: 498229 فیلتر نتایج به سال:
The stable allocation model is a many-to-many matching model in which each pair’s partnership is represented by a nonnegative integer. This paper establishes a link between two different formulations of this model; the choice function model studied thoroughly by Alkan and Gale and the discrete-concave (M♮-concave) value function model introduced by Eguchi, Fujishige and Tamura. We show that the...
5 In this paper, we derive explicit characterizations of convex and concave envelopes of several 6 nonlinear functions over various subsets of a hyper-rectangle. These envelopes are obtained 7 by identifying polyhedral subdivisions of the hyper-rectangle over which the envelopes can be 8 constructed easily. In particular, we use these techniques to derive, in closed-form, the concave 9 envelope...
In contemporary convex geometry, the rapidly developing Lp-Brunn Minkowski theory is a modern analogue of the classical Brunn Minkowski theory. A cornerstone of this theory is the Lp-affine surface area for convex bodies. Here, we introduce a functional form of this concept, for log concave and s-concave functions. We show that the new functional form is a generalization of the original Lp-affi...
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