نتایج جستجو برای: primal strong co

تعداد نتایج: 696981  

2015
Archis Ghate

Minimum cost flow problems in infinite networks arise, for example, in infinite-horizon sequential decision problems such as production planning. Strong duality for these problems was recently established for the special case of linear costs using an infinite-dimensional simplex algorithm. Here, we use a different approach to derive duality results when the costs are convex. We formulate the pr...

2017
Simon S. Du Jianshu Chen Lihong Li Lin Xiao Dengyong Zhou

Policy evaluation is a crucial step in many reinforcement-learning procedures, which estimates a value function that predicts states’ longterm value under a given policy. In this paper, we focus on policy evaluation with linear function approximation over a fixed dataset. We first transform the empirical policy evaluation problem into a (quadratic) convex-concave saddle point problem, and then ...

Circular programming problems are a new class of convex optimization problems that include second-order cone programming problems as a special case. Alizadeh and Goldfarb [Math. Program. Ser. A 95 (2003) 3-51] introduced primal-dual path-following algorithms for solving second-order cone programming problems. In this paper, we generalize their work by using the machinery of Euclidean Jordan alg...

Journal: :Pacific Journal of Mathematics 1966

2014
Hyea Hyun Kim Eric T. Chung Sabrina Gippert Axel Klawonn Martin Lanser Nicole Spillane Victorita Dolean Patrice Hauret Frédéric Nataf Daniel J. Rixen

It is well known that the standard BDDC algorithm [1] requires a strong assumption on coefficients of the model problem related to the subdomain partition to achieve a good performance. In the works by Clemense and Scheichl [2,3], a bound of condition number of FETI algorithms has been analyzed depending on the coefficient variations inside subdomains. A similar problem was also considered in t...

2010
XIAN-JUN LONG NAN-JING HUANG DONAL O’REGAN

In this paper, we consider a general composed convex optimization problem with inequality systems involving a finite number of convex constraints. We establish the strong duality between the primal problem and the Fenchel-Lagrange dual problem by a conjugate duality approach. Moreover, we obtain some new Farkas-type results for this problem by using weak and strong duality theorems. Our results...

Journal: :Math. Program. 2015
Natashia Boland Andrew C. Eberhard

We consider the augmented Lagrangian dual for integer programming, and provide a primal characterization of the resulting bound. As a corollary, we obtain proof that the augmented Lagrangian is a strong dual for integer programming. We are able to show that the penalty parameter applied to the augmented Lagrangian term may be placed at a fixed, large value and still obtain strong duality for pu...

2004
Moon Hee Kim

Mond-Weir type duals for multiobjective variational problems are formulated. Under generalized vector variational type I invexity assumptions on the functions involved, sufficient optimality conditions, weak and strong duality theorems are proved efficient and properly efficient solutions of the primal and dual problems.

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