نتایج جستجو برای: ekeland

تعداد نتایج: 139  

2008
Pierre-André Chiappori Robert J. McCann Lars P. Nesheim

Hedonic pricing with quasilinear preferences is shown to be equivalent to stable matching with transferable utilities and a participation constraint, and to an optimal transportation (Monge-Kantorovich) linear programming problem. Optimal assignments in the latter correspond to stable matchings, and to hedonic equilibria. These assignments are shown to exist in great generality; their marginal ...

1999
Philip Dybvig Ivar Ekeland Lars Hansen Chi-Fu Huang Fulvio Ortu Manuel Santos David Schmeidler

In this paper we study some foundational issues in the theory of asset pricing with market frictions. We model market frictions by letting the set of marketed contingent claims (the opportunity set) be a convex set, and the pricing rule at which these claims are available be convex. This is the reduced form of multiperiod securities price models incorporating a large class of market frictions. ...

2005
VICTOR CHERNOZHUKOV IVÁN FERNÁNDEZ-VAL ALFRED GALICHON Roger Koenker Joonhwan Lee Vadim Marmer Ilya Molchanov Francesca Molinari Steve Portnoy Shinichi Sakata

This paper proposes a method to address the longstanding problem of lack of monotonicity in estimation of conditional and structural quantile functions, also known as the quantile crossing problem. The method consists in sorting or monotone rearranging the original estimated non-monotone curve into a monotone rearranged curve. We show that the rearranged curve is closer to the true quantile cur...

Journal: :Bone 2000
T S Kaastad R Huiskes O ReikerAs L Nordsletten

Strength of both muscles and bone are important for fracture prevention in osteoporotic individuals. Therefore, drugs that are preclinically tested in animals for preventing or treating osteoporosis, and reducing fracture risk, should not only be checked for their effects on bone strength, but also for those on muscle strength. We developed a rat model to measure both in the same animal, using ...

2005
MICHAEL A. WARREN Michael A. Warren

In this paper the machinery and results developed in [Awodey et al, 2004] are extended to the study of constructive set theories. Specifically, we introduce two constructive set theories BCST and CST and prove that they are sound and complete with respect to models in categories with certain structure. Specifically, basic categories of classes and categories of classes are axiomatized and shown...

2017
Philippe G. Ciarlet Giuseppe Geymonat Françoise Krasucki Francoise Krasucki

We show that the displacement and strain formulations of the displacement-traction problem of three-dimensional linearized elasticity can be viewed as Legendre-Fenchel dual problems to the stress formulation of the same problem. We also show that each corresponding Lagrangian has a saddle-point, thus fully justifying this new approach to elasticity by means of Legendre-Fenchel duality. Résumé D...

2015
Luc Tartar Luc TARTAR

The method of Homogenization for problems of Optimal Design, developed by F. MURAT and the author, is recalled. It is shown how to avoid the characterization of effective properties of mixtures for a general functional that does not involve gradients. History of the subject In the early 70s, while Francois MURAT was working on some academic problems of optimization that had been proposed by Jac...

1995
Eduardo Casas Jiongmin Yong

In this paper, the authors study an optimal control problem for quasilinear elliptic PDEs with pointwise state constraints. Weak and strong optimality conditions of Pontryagin maximum principle type are derived. In proving these results, we penalized the state constraints and respectively use the Ekeland variational principle and an exact penalization method. Keywords. quasilinear elliptic equa...

Journal: :Monitor Versorgungsforschung 2021

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