Journal: Optimization Letters

Found 309 papers in total
Mehar’s method to find exact fuzzy optimal solution of unbalanced fully fuzzy multi‐objective transportation problems
Mehar’s method to find exact fuzzy optimal solution of unbalanced fully fuzzy multi‐objective transportation problems
2012,
To the best of our knowledge, till now there is no method described in literature to...
A branch‐and‐cut algorithm for the Steiner tree problem with delays
A branch‐and‐cut algorithm for the Steiner tree problem with delays
2012,
In this paper, we investigate the Steiner tree problem with delays, which is a...
New characterizations of weak sharp minima
New characterizations of weak sharp minima
2012,
In this paper, we study the concept of weak sharp minima by using conjugate functions....
A revised proof of the optimality for the Kise–Ibaraki–Mine algorithm
A revised proof of the optimality for the Kise–Ibaraki–Mine algorithm
2012,
For the problem of scheduling n ‐jobs on one‐machine with agreeable job...
An efficient approximation for minimum energy broadcast in multi‐channel multi‐hop wireless network with directional antennas
An efficient approximation for minimum energy broadcast in multi‐channel multi‐hop wireless network with directional antennas
2012,
In this paper, We discuss the minimum energy broadcast problem (MEB) in...
A feasible direction method for image restoration
A feasible direction method for image restoration
2012,
In this work, a feasible direction method is proposed for computing the regularized...
Generalized cyclic contractions in partially ordered metric spaces
Generalized cyclic contractions in partially ordered metric spaces
2012,
Abkar and Gabeleh in (J. Optim. Theory. Appl. doi:...
New stochastic approximation algorithms with adaptive step sizes
New stochastic approximation algorithms with adaptive step sizes
2012,
This paper considers the stochastic approximation problem in which the gradient of the...
Continuity of cone‐convex functions
Continuity of cone‐convex functions
2012,
In the paper, we show continuity of cone‐convex set‐valued maps by using...
Single‐machine scheduling and slack due‐date assignment with aging effect and deteriorating maintenance
Single‐machine scheduling and slack due‐date assignment with aging effect and deteriorating maintenance
2012,
We consider single‐machine scheduling and slack due‐date assignment...
Every maximally monotone operator of Fitzpatrick–Phelps type is actually of dense type
Every maximally monotone operator of Fitzpatrick–Phelps type is actually of dense type
2012,
We show that every maximally monotone operator of Fitzpatrick–Phelps type...
How to generate weakly infeasible semidefinite programs via Lasserre’s relaxations for polynomial optimization
How to generate weakly infeasible semidefinite programs via Lasserre’s relaxations for polynomial optimization
2012,
Examples of weakly infeasible semidefinite programs (SDP) are useful to test whether...
On the quadratic model for unrelated parallel machine scheduling problem with restrictive common due date
On the quadratic model for unrelated parallel machine scheduling problem with restrictive common due date
2012,
In this paper, we deal with the unrelated parallel machine scheduling problem in which...
A regularized Newton method for degenerate unconstrained optimization problems
A regularized Newton method for degenerate unconstrained optimization problems
2012,
A regularized Newton method is presented in this paper to solve unconstrained...
Shortest path problems with left‐side time windows
Shortest path problems with left‐side time windows
2012,
‘Time is life’ is popular now, considering of some optimization models...
On the incorporation of adversarial reasoning in course of action analysis and resource allocation
On the incorporation of adversarial reasoning in course of action analysis and resource allocation
2012,
Course of Action analysis and Resource Management are concerned with the allocation of...
On the maximum TSP with γ‐parameterized triangle inequality
On the maximum TSP with γ‐parameterized triangle inequality
2012,
The maximum TSP with γ ‐parameterized triangle inequality is defined as...
Bargaining and negative externalities
Bargaining and negative externalities
2012,
Two important issues in distributive bargaining theory are, first, the conditions...
Privacy‐preserving horizontally partitioned linear programs
Privacy‐preserving horizontally partitioned linear programs
2012,
We propose a simple privacy‐preserving reformulation of a linear program whose...
Burer’s key assumption for semidefinite and doubly nonnegative relaxations
Burer’s key assumption for semidefinite and doubly nonnegative relaxations
2012,
Burer has shown that completely positive relaxations of nonconvex quadratic programs...
A decomposition algorithm for unconstrained optimization problems with partial derivative information
A decomposition algorithm for unconstrained optimization problems with partial derivative information
2012,
In this paper we consider the problem of minimizing a nonlinear function using partial...
Penalty methods for a system of constrained variational inequalities
Penalty methods for a system of constrained variational inequalities
2012,
In this paper, using the penalty method in conjunction with graph‐convergence,...
Minimization of vectors of curvilinear functionals on the second order jet bundle
Minimization of vectors of curvilinear functionals on the second order jet bundle
2012,
Consider the multi‐time multi‐objective variational problem (MFP) of...
A note on generating P‐matrices
A note on generating P‐matrices
2012,
We prove that for any A , B ∈ ℝ nimes n such that each matrix S...
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