Country: Germany

Found 3096 papers in total
The multiple server center location problem
The multiple server center location problem
2009,
In this paper, we introduce the multiple server center location problem. p servers are...
Aggregation error for location models: survey and analysis
Aggregation error for location models: survey and analysis
2009,
Location problems occurring in urban or regional settings may involve many tens of...
Asymmetric distances, semidirected networks and majority in Fermat–Weber problems
Asymmetric distances, semidirected networks and majority in Fermat–Weber problems
2009,
The Fermat–Weber problem is considered with distance defined by a quasimetric,...
On the point for which the sum of the distances to n given points is minimum
On the point for which the sum of the distances to n given points is minimum
2009,
Translation with annotations of E. Weiszfeld, Sur le point pour lequel la somme des...
Undirected forest constraints
Undirected forest constraints
2009,
We present two constraints that partition the vertices of an undirected n -vertex, m...
A hybrid multilevel approach for aeroelastic optimization of composite wing-box
A hybrid multilevel approach for aeroelastic optimization of composite wing-box
2009,
The quest for finding optimum solutions to engineering problems has been existing for...
A computational evaluation of a general branch-and-price framework for capacitated network location problems
A computational evaluation of a general branch-and-price framework for capacitated network location problems
2009,
The purpose of this paper is to illustrate a general framework for network location...
A continuous-time search model with job switch and jumps
A continuous-time search model with job switch and jumps
2009,
We study a new search problem in continuous time. In the traditional approach, the...
Simultaneous siting and sizing of distribution centers on a plane
Simultaneous siting and sizing of distribution centers on a plane
2009,
The benefits of simultaneous consideration of siting and sizing of distribution...
Properties of equation reformulation of the Karush–Kuhn–Tucker condition for nonlinear second order cone optimization problems
Properties of equation reformulation of the Karush–Kuhn–Tucker condition for nonlinear second order cone optimization problems
2009,
We give an equation reformulation of the Karush–Kuhn–Tucker (KKT)...
Combined location-routing problems–a neural network approach
Combined location-routing problems–a neural network approach
2009,
While in location planning it is often assumed that deliveries are made on a...
Dynamic mean-risk optimization in a binomial model
Dynamic mean-risk optimization in a binomial model
2009,
We consider a dynamic mean-risk problem, where the risk constraint is given by the...
Efficiency for continuous facility location problems with attraction and repulsion
Efficiency for continuous facility location problems with attraction and repulsion
2009,
The paper deals with the problem of locating new facilities in presence of attracting...
Extension of the Weiszfeld procedure to a single facility minisum location model with mixed l p norms
Extension of the Weiszfeld procedure to a single facility minisum location model with mixed l p norms
2009,
This paper presents a general mixed-norm minisum problem for locating a single...
Combining column generation and constraint programming to solve the tail assignment problem
Combining column generation and constraint programming to solve the tail assignment problem
2009,
Within the area of short term airline operational planning, Tail Assignment is the...
Random walk, birth-and-death process and their fluid approximations: absorbing case
Random walk, birth-and-death process and their fluid approximations: absorbing case
2009,
Fluid models are used to study functionals of the underlying random processes. Instead...
A hierarchical location-allocation model with travel based on expected referral distances
A hierarchical location-allocation model with travel based on expected referral distances
2009,
The hierarchical p -median location-allocation model assumes that patrons always...
Recursive functions on the plane and FPTASs for production planning and scheduling problems with two facilities
Recursive functions on the plane and FPTASs for production planning and scheduling problems with two facilities
2009,
We consider a production model with two facilities sharing a resource during a time...
Finding reliable solutions: event-driven probabilistic constraint programming
Finding reliable solutions: event-driven probabilistic constraint programming
2009,
Real-life management decisions are usually made in uncertain environments, and...
A general approach to Bayesian portfolio optimization
A general approach to Bayesian portfolio optimization
2009,
We develop a general approach to portfolio optimization taking account of estimation...
On the separability of subproblems in Benders decompositions
On the separability of subproblems in Benders decompositions
2009,
Benders decomposition is a well-known procedure for solving a combinatorial...
A fluid model for a relay node in an ad hoc network: the case of heavy-tailed input
A fluid model for a relay node in an ad hoc network: the case of heavy-tailed input
2009,
Relay nodes in an ad hoc network can be modelled as fluid queues, in which the...
Conditional lexicographic orders in constraint satisfaction problems
Conditional lexicographic orders in constraint satisfaction problems
2009,
The lexicographically-ordered CSP (‘lexicographic CSP’ or...
A smoothing Newton algorithm based on a one-parametric class of smoothing functions for linear programming over symmetric cones
A smoothing Newton algorithm based on a one-parametric class of smoothing functions for linear programming over symmetric cones
2009,
In this paper, we introduce a one-parametric class of smoothing functions which...
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