Ernst A.T.

A.T. Ernst

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Found 7 papers in total
Hub arc location problems: Part I – introduction and results
Hub arc location problems: Part I – introduction and results
2005
Hub networks play an important role in many transportation and telecommunications...
Hub arc location problems: part II – formulations and optimal algorithms
Hub arc location problems: part II – formulations and optimal algorithms
2005
A companion paper introduces new hub arc location models and analyzes optimal...
Staff scheduling and rostering: A review of applications, methods and models
Staff scheduling and rostering: A review of applications, methods and models
2004
This paper presents a review of staff scheduling and rostering, an area that has...
An integrated optimization model for train crew management
An integrated optimization model for train crew management
2001
Train crew management involves the development of a duty timetable for each of the...
Optimal control of network flows with convex cost and state constraints
Optimal control of network flows with convex cost and state constraints
2000
Consider a network in which a commodity flows at a variable rate across the arcs in...
An exact solution approach based on shortest-paths for p-hub median problems
An exact solution approach based on shortest-paths for p-hub median problems
1998
The problem of locating hub facilities arises in the design of transportation and...
Optimal two-commodity flows with non-linear cost functions
Optimal two-commodity flows with non-linear cost functions
1995
This paper considers networks in which two different commodities have to be...
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