Nickel Stefan

Stefan Nickel

Information about the author Stefan Nickel will soon be added to the site.
Found 30 papers in total
Multi-period hub network design problems with modular capacities
Multi-period hub network design problems with modular capacities
2016
In this paper, a modeling framework is proposed for multi‐period hub location....
Several 2-facility location problems on networks with equity objectives
Several 2-facility location problems on networks with equity objectives
2015
We consider 2‐facility location problems with equity measures, defined on...
Cooperative covering problems on networks
Cooperative covering problems on networks
2014
In this article, we consider the cooperative maximum covering location problem on a...
The maximum dispersion problem
The maximum dispersion problem
2013
In the maximum dispersion problem, a given set of objects has to be partitioned into a...
A multi‐stage stochastic supply network design problem with financial decisions and risk management
A multi‐stage stochastic supply network design problem with financial decisions and risk management
2012
In this paper, a multi‐period supply chain network design problem is addressed....
Hub location under uncertainty
Hub location under uncertainty
2012
Hub location problems are network design problems which are solved as part of a...
Modeling the demand for long‐term care services under uncertain information
Modeling the demand for long‐term care services under uncertain information
2012
Developing a network of long‐term care (LTC) services is currently a health...
Mid‐term and short‐term planning support for home health care services
Mid‐term and short‐term planning support for home health care services
2012
In this paper we are looking at routing and scheduling problems arising in the context...
Multi‐period reverse logistics network design
Multi‐period reverse logistics network design
2012
The configuration of the reverse logistics network is a complex problem comprising the...
Multiperiod Location‐Routing with Decoupled Time Scales
Multiperiod Location‐Routing with Decoupled Time Scales
2012
This paper focuses on a multiperiod discrete facility location problem where...
Hub location problems in transportation networks
Hub location problems in transportation networks
2011
In this paper we propose a 4‐index formulation for the uncapacitated multiple...
The ordered capacitated facility location problem
The ordered capacitated facility location problem
2010
In this paper, we analyze flexible models for capacitated discrete location problems...
Extensions to the continuous ordered median problem
Extensions to the continuous ordered median problem
2010
Classical location models fix an objective function and then attempt to find optimal...
An extended covering model for flexible discrete and equity location problems
An extended covering model for flexible discrete and equity location problems
2010
To model flexible objectives for discrete location problems, ordered median functions...
Dynamic transportation of patients in hospitals
Dynamic transportation of patients in hospitals
2009
This study analyzes and solves a patient transportation problem arising in large...
An interior point method for multi-facility location problems with regions forbidden for placement
An interior point method for multi-facility location problems with regions forbidden for placement
2000
In this paper we consider generalizations of multi-facility location problems in which...
Exact procedures for solving the discrete ordered median problem
Exact procedures for solving the discrete ordered median problem
2006
The discrete ordered median problem (DOMP) integrates classical discrete location...
An approach to location models involving sets as existing facilities
An approach to location models involving sets as existing facilities
2003
In this paper, we deal with single facility location problems in a general normed...
Dynamic multi-commodity capacitated facility location: A mathematical modeling framework for strategic supply chain planning
Dynamic multi-commodity capacitated facility location: A mathematical modeling framework for strategic supply chain planning
2006
In this paper, we focus on the strategic design of supply chain networks. We propose a...
A multiobjective evolutionary algorithm for scheduling and inspection planning in software development projects
A multiobjective evolutionary algorithm for scheduling and inspection planning in software development projects
2005
In this paper, we consider the problem of planning inspections and other operations...
Heuristic procedures for solving the discrete ordered median problem
Heuristic procedures for solving the discrete ordered median problem
2005
We present two heuristic methods for solving the Discrete Ordered Median Problem...
Multicriteria semi-obnoxious network location problems with sum and center objectives
Multicriteria semi-obnoxious network location problems with sum and center objectives
2002
Locating a facility is often modeled as either the maxisum or the minisum problem,...
Multicriteria network location problems with sum objectives
Multicriteria network location problems with sum objectives
1999
In this paper, network location problems with several objectives are discussed, where...
A unified approach to network location problems
A unified approach to network location problems
1999
In this paper, we introduce a new type of single-facility location problem on networks...
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