Journal: Mathematical Methods of Operations Research (Heidelberg)

Found 629 papers in total
A polynomial algorithm for P|pj = 1, rj, outtree |ΣCj
A polynomial algorithm for P|pj = 1, rj, outtree |ΣCj
2002,
A polynomial algorithm is proposed for two scheduling problems for which the...
Project scheduling with inventory constraints
Project scheduling with inventory constraints
2002,
Inventory constraints refer to so-called cumulative resources, which can store a...
New light on the portfolio allocation problem
New light on the portfolio allocation problem
2002,
The basics of the mean-variance portfolio optimisation procedure have been well...
Convergence of the optimal values of constrained Markov control processes
Convergence of the optimal values of constrained Markov control processes
2002,
We consider a sequence of discounted cost, constrained Markov control processes (CCPs)...
On convergence of descent methods for variational inequalities in a Hilbert space
On convergence of descent methods for variational inequalities in a Hilbert space
2002,
In this paper, properties of differentiable gap functions for variational inequalities...
Linear bilevel problems: Genericity results and an efficient method for computing local minima
Linear bilevel problems: Genericity results and an efficient method for computing local minima
2002,
This paper is concerned with linear bilevel problems. These non-convex problems are...
K-epiderivatives for set-valued functions and optimization
K-epiderivatives for set-valued functions and optimization
2002,
Exploiting different tangent cones, many derivatives for set-valued functions have...
Stable multi-sets
Stable multi-sets
2002,
In this paper we introduce a generalization of stable sets: stable multi-sets. A...
Primal cutting plane algorithms revisited
Primal cutting plane algorithms revisited
2002,
Dual fractional cutting plane algorithms, in which cutting planes are used to...
The long step rule in the bounded-variable dual simplex method: Numerical experiments
The long step rule in the bounded-variable dual simplex method: Numerical experiments
2002,
The dual simplex algorithm is the method of choice when linear programs have to be...
On the number of criteria needed to decide Pareto optimality
On the number of criteria needed to decide Pareto optimality
2002,
In this paper we address the question of how many objective functions are needed to...
On general vector quasi-optimization problems
On general vector quasi-optimization problems
2002,
Vector general quasi-optimization problems are formulated and some sufficient...
On dual minimum cost flow algorithms
On dual minimum cost flow algorithms
2002,
We describe a new dual algorithm for the minimum cost flow problem. It can be regarded...
Exponential irreducible neighborhoods for combinatorial optimisation problems
Exponential irreducible neighborhoods for combinatorial optimisation problems
2002,
This paper deals with irreducible augmentation vectors associated with three...
Optimal control of an M/M/2 queueing system with finite capacity operating under the triadic (0, Q, N, M) policy
Optimal control of an M/M/2 queueing system with finite capacity operating under the triadic (0, Q, N, M) policy
2002,
In this paper, we study two removable servers in the controllable M/M/2 queueing...
A duality approach to problems of combined stopping and deciding under constraints
A duality approach to problems of combined stopping and deciding under constraints
2002,
A problem of combined stopping and deciding under constraints for continuous-time...
A multicriteria competitive Markov decision process
A multicriteria competitive Markov decision process
2002,
In this paper, we deal with a multicriteria competitive Markov decision process. In...
Rank-perfect and weakly rank-perfect graphs
Rank-perfect and weakly rank-perfect graphs
2002,
An edge e of a perfect graph G is critical if G − e is imperfect. We would like...
A bicriteria stochastic programming model for capacity expansion in telecommunications
A bicriteria stochastic programming model for capacity expansion in telecommunications
2002,
We consider capacity expansion of a telecommunications network in the face of...
An attractor–repeller approach to floorplanning
An attractor–repeller approach to floorplanning
2002,
The floorplanning (or facility layout) problem consists in finding the optimal...
Tree-connected peer group situations and peer group games
Tree-connected peer group situations and peer group games
2002,
A class of cooperative games arising from economic and operations research situations...
Multiset graph partitioning
Multiset graph partitioning
2002,
Local optimality conditions are given for a quadratic programming formulation of the...
Average optimal switching of a Markov chain with a Borel state space
Average optimal switching of a Markov chain with a Borel state space
2002,
We extend results on average per unit time optimality criterion in a switching model...
Stable modelling in energy risk management
Stable modelling in energy risk management
2002,
High price volatility in energy markets compels the companies to adopt and implement...
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