Keyword: combinatorial optimization

Found 3184 papers in total
Partially Flexible Operating Rooms for Elective and Emergency Surgeries
Partially Flexible Operating Rooms for Elective and Emergency Surgeries
2014,
In hospitals, the management of operating rooms faces a trade‐off between the...
Sharp upper bounds on the spectral radius of the signless Laplacian matrix of a graph
Sharp upper bounds on the spectral radius of the signless Laplacian matrix of a graph
2013,
Let G = ( V , E ) be a simple connected graph. Denote by D ( G ) the diagonal matrix...
The warm-standby M/M/R machine repair problem with balking, reneging and service pressure coefficient
The warm-standby M/M/R machine repair problem with balking, reneging and service pressure coefficient
2013,
This paper studies the warm‐standby M/M/R machine repair problem with...
Coordination of competing supply chains with news-vendor and buyback contract
Coordination of competing supply chains with news-vendor and buyback contract
2013,
Under the competing supply chain framework, we examine the impact of buyback policy on...
The heterogeneous fleet vehicle routing problem with overloads and time windows
The heterogeneous fleet vehicle routing problem with overloads and time windows
2013,
This paper addresses a new variant of the vehicle routing problem (VRP) with time...
Multi-item production planning with carbon cap and trade mechanism
Multi-item production planning with carbon cap and trade mechanism
2013,
Carbon emission control becomes a challenge in recent years, and carbon emission...
Minimizing total tardiness for the order scheduling problem
Minimizing total tardiness for the order scheduling problem
2013,
This paper considers the order scheduling problem to minimize total tardiness. The...
Joint optimal lot sizing and production control policy in an unreliable and imperfect manufacturing system
Joint optimal lot sizing and production control policy in an unreliable and imperfect manufacturing system
2013,
This paper deals with the problem of the joint determination of the optimal lot sizing...
Production-inventory models for a damageable item with variable demands and inventory costs in an imperfect production process
Production-inventory models for a damageable item with variable demands and inventory costs in an imperfect production process
2013,
In this paper, economic production quantity (EPQ) models for breakable or...
Performance analysis and optimization of hybrid manufacturing systems under a batch ordering policy
Performance analysis and optimization of hybrid manufacturing systems under a batch ordering policy
2013,
We consider a stochastic two‐stage hybrid manufacturing system for a single...
Stackelberg solution in a vendor‐buyer supply chain model with permissible delay in payments
Stackelberg solution in a vendor‐buyer supply chain model with permissible delay in payments
2013,
In practice, vendors (or sellers) often offer their buyers a fixed credit period to...
Emergency Department Staff Planning to Improve Patient Care and Reduce Costs
Emergency Department Staff Planning to Improve Patient Care and Reduce Costs
2014,
In the face of high staffing costs, uncertain patient arrivals, and patients...
Benefits of Hybrid Lateral Transshipments in Multi-Item Inventory Systems under Periodic Replenishment
Benefits of Hybrid Lateral Transshipments in Multi-Item Inventory Systems under Periodic Replenishment
2015,
Lateral transshipments are a method of responding to shortages of stock in a network...
Managing Supplier Competition and Sourcing Sequence for Component Manufacturing
Managing Supplier Competition and Sourcing Sequence for Component Manufacturing
2015,
We consider a setting in which a manufacturer sequentially sources two components and...
A hybrid PSO algorithm for a multi-objective assembly line balancing problem with flexible operation times, sequence-dependent setup times and learning effect
A hybrid PSO algorithm for a multi-objective assembly line balancing problem with flexible operation times, sequence-dependent setup times and learning effect
2013,
This paper addresses multi‐objective (MO) optimization of a single‐model...
Two-machine flowshop scheduling with a truncated learning function to minimize the makespan
Two-machine flowshop scheduling with a truncated learning function to minimize the makespan
2013,
Scheduling with learning effects has continued to attract the attention of scheduling...
Managing truck arrivals with time windows to alleviate gate congestion at container terminals
Managing truck arrivals with time windows to alleviate gate congestion at container terminals
2013,
Long truck queues at gates often limit the efficiency of a container terminal and...
A simple and effective evolutionary algorithm for multiobjective flexible job shop scheduling
A simple and effective evolutionary algorithm for multiobjective flexible job shop scheduling
2013,
This paper addresses the multiobjective flexible job shop scheduling problem (MOFJSP)...
A hybrid artificial bee colony algorithm for the job shop scheduling problem
A hybrid artificial bee colony algorithm for the job shop scheduling problem
2013,
The job shop scheduling problem (JSSP) has attracted much attention in the field of...
Simultaneous dock assignment and sequencing of inbound trucks under a fixed outbound truck schedule in multi-door cross docking operations
Simultaneous dock assignment and sequencing of inbound trucks under a fixed outbound truck schedule in multi-door cross docking operations
2013,
This paper studies the simultaneous dock assignment and sequencing of inbound trucks...
Metaheuristics for drilling operation scheduling in Taiwan PCB industries
Metaheuristics for drilling operation scheduling in Taiwan PCB industries
2013,
Among all types of production environment, identical parallel machines are frequently...
Robust scheduling for multi-objective flexible job-shop problems with random machine breakdowns
Robust scheduling for multi-objective flexible job-shop problems with random machine breakdowns
2013,
This study addresses robust scheduling for a flexible job‐shop scheduling...
Addressing the advantages of using ensemble probabilistic models in Estimation of Distribution Algorithms for scheduling problems
Addressing the advantages of using ensemble probabilistic models in Estimation of Distribution Algorithms for scheduling problems
2013,
Estimation of Distribution Algorithms (EDAs) have recently been recognized as a...
Particle swarm optimization with cocktail decoding method for hybrid flow shop scheduling problems with multiprocessor tasks
Particle swarm optimization with cocktail decoding method for hybrid flow shop scheduling problems with multiprocessor tasks
2013,
This paper addresses the problem of multiprocessor task‐scheduling in a hybrid...
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