Journal: OR Spektrum

Found 334 papers in total
Synchronous tabu search parallelization strategies for multicommodity location-allocation with balancing requirements
Synchronous tabu search parallelization strategies for multicommodity location-allocation with balancing requirements
1995,
The authors study and compare synchronous parallelization strategies for tabu search....
Solving the damper placement problem via local search heuristics
Solving the damper placement problem via local search heuristics
1995,
The damper placement problem for large flexible space truss structures is to determine...
Capacitated lot-sizing with sequence dependent setup costs
Capacitated lot-sizing with sequence dependent setup costs
1996,
This paper considers single-stage system where a number of different items have to be...
A generalized permutation approach to job shop scheduling with genetic algorithms
A generalized permutation approach to job shop scheduling with genetic algorithms
1995,
In order to sequence the tasks of a job shop problem on a number of machines related...
Strength and adaptability of problem-space based neighborhoods for resource-constrained scheduling
Strength and adaptability of problem-space based neighborhoods for resource-constrained scheduling
1995,
In this paper, Resource Constrained Scheduling (RCS) consists of scheduling activities...
Determining the distribution of yearly working time by shift plan optimization
Determining the distribution of yearly working time by shift plan optimization
1996,
The paper presents an algorithm to determine a cost minimal yearly working time. Based...
Operational audit-task assignment and staff scheduling
Operational audit-task assignment and staff scheduling
1996,
Based upon an empirical survey, an hierarchical framework for audit-staff scheduling...
Visualization techniques in multi-criteria decision making
Visualization techniques in multi-criteria decision making
1994,
The paper surveys techniques for visualization in the context of multi-criteria...
(Pre)kernel catchers for cooperative games
(Pre)kernel catchers for cooperative games
1995,
The paper provides a new (pre)kernel catcher in that the relevant set always contains...
Sequential stability of the constant cost dynamic lot size model: Searching for monotonicity
Sequential stability of the constant cost dynamic lot size model: Searching for monotonicity
1994,
The set of cost inputs for which an optimal solution of the dynamic lot size model...
Single server queues with a Batch Markovian Arrival Process and server vacations
Single server queues with a Batch Markovian Arrival Process and server vacations
1994,
Single server queues with a Batch Markovian Arrival Process and two types of server...
A mathematical programming approach to a problem in variance penalised Markov decision processes
A mathematical programming approach to a problem in variance penalised Markov decision processes
1994,
This paper presents three algorithms for solving a problem in which it is required to...
Analysis of production planning and control (PPC) systems as an efficient combination of information activities
Analysis of production planning and control (PPC) systems as an efficient combination of information activities
1994,
Production planning and control (PPC) systems with their planning structures,...
Some recent results in the analysis of greedy algorithms for assignment problems
Some recent results in the analysis of greedy algorithms for assignment problems
1994,
The paper surveys some recent developments in the analysis of greedy algorithms for...
Bounds for the quality and the number of steps in Bellman’s value iteration algorithm
Bounds for the quality and the number of steps in Bellman’s value iteration algorithm
1994,
The paper considers a discounted Markovian decision process with finite state space...
On several concepts for ℝà-efficiency
On several concepts for ℝà-efficiency
1994,
The authors introduce two new concepts for •- efficiency and investigate these...
Simple tests for multi-criteria optimality
Simple tests for multi-criteria optimality
1994,
In this paper the authors present two tests which can decide whether a given point x 0...
Multicriteria fractional programming-An approach by means of conjugate functions
Multicriteria fractional programming-An approach by means of conjugate functions
1994,
This paper deals with multicriteria fractional problems. Since these problems in...
The influence of proper efficiency on optimal solutions of scalarizing problems in multicriteria optimization
The influence of proper efficiency on optimal solutions of scalarizing problems in multicriteria optimization
1994,
The paper investigates scalarizations for the determination of Pareto optima of...
Properly efficient solutions for vectorial norm approximation
Properly efficient solutions for vectorial norm approximation
1994,
In the present paper a general vectorial best approximation problem using vectorial...
Three algorithms for bicriteria integer linear programs
Three algorithms for bicriteria integer linear programs
1994,
A problem in multiobjective programming is to determine all efficient solutions. As a...
Integrating multiple criteria decision making methods by neural networks
Integrating multiple criteria decision making methods by neural networks
1994,
This paper deals with concepts for the integration of methods for multiple criteria...
Duality of regularizations and hullfunctions for mathematical programming problems
Duality of regularizations and hullfunctions for mathematical programming problems
1994,
For the study of mathematical programming problems and solution methods the duality...
Maximizing pseudoconvex transportation problem: A special type
Maximizing pseudoconvex transportation problem: A special type
1995,
The paper discusses a non-concave fractional programming problem aiming at...
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