Hartl Richard F.

Richard F. Hartl

Information about the author Richard F. Hartl will soon be added to the site.
Found 26 papers in total
Heuristic solution of an extended double-coverage ambulance location problem for Austria
Heuristic solution of an extended double-coverage ambulance location problem for Austria
2005
In this paper, we present solution procedures to tackle an ambulance location problem...
Minimizing total tardiness on a single machine using Ant Colony Optimization
Minimizing total tardiness on a single machine using Ant Colony Optimization
2000
Ant Colony Optimization is a relatively new meta-heuristic that has demonstrated its...
Scheduling periodic customer visits for a traveling salesperson
Scheduling periodic customer visits for a traveling salesperson
2007
The problem considered in this paper deals with determining daily routes for a...
Capital accumulation under technological progress and learning: A vintage capital approach
Capital accumulation under technological progress and learning: A vintage capital approach
2006
In standard capital accumulation models all capital goods are equally productive and...
A MAX–MIN ant system for unconstrained multi-level lot-sizing problems
A MAX–MIN ant system for unconstrained multi-level lot-sizing problems
2007
In this paper, we present an ant-based algorithm for solving unconstrained multi-level...
A dynamical model of water recycling in a mine-processing enterprise
A dynamical model of water recycling in a mine-processing enterprise
2006
We consider a mine-processing enterprise, which runs a number of production plants....
Combining population-based and exact methods for multi-level capacitated lot-sizing problems
Combining population-based and exact methods for multi-level capacitated lot-sizing problems
2006
We present an ant-based algorithm to solve multi-level capacitated lot-sizing...
Optimal investments with convex–concave revenue: a focus-node distinction
Optimal investments with convex–concave revenue: a focus-node distinction
2004
This paper considers a capital accumulation model in which revenue is a...
CompetAnts for problem solving
CompetAnts for problem solving
2003
In this paper we propose a multi-colony Ant System where the colonies solve a...
A variable neighborhood search for the multi depot vehicle routing problem with time windows
A variable neighborhood search for the multi depot vehicle routing problem with time windows
2004
The aim of this paper is to propose an algorithm based on the philosophy of the...
Pareto Ant Colony Optimization: A metaheuristic approach to multiobjective portfolio selection
Pareto Ant Colony Optimization: A metaheuristic approach to multiobjective portfolio selection
2004
Selecting the “best” project portfolio out of a given set of investment...
D-ants: savings based ants divide and conquer the vehicle routing problem
D-ants: savings based ants divide and conquer the vehicle routing problem
2004
This paper presents an algorithm that builds on the Savings based Ant System and...
New savings based algorithms for time constrained pickup and delivery of full truckloads
New savings based algorithms for time constrained pickup and delivery of full truckloads
2003
In this paper we deal with the pickup and delivery of full truckloads under time...
Environmental effects of tourism industry investments: An inter-temporal trade-off
Environmental effects of tourism industry investments: An inter-temporal trade-off
2002
Efficient investment programmes in touristic infrastructure have to take into...
Optimal periodic development of a pollution generating tourism industry
Optimal periodic development of a pollution generating tourism industry
2001
This paper studies how environmental pollution affects optimal development of the...
An improved ant system algorithm for the vehicle routing problem
An improved ant system algorithm for the vehicle routing problem
1999
The Ant System is a distributed metaheuristic that combines an adaptive memory with a...
Optimal investment facing possible accidents
Optimal investment facing possible accidents
1999
This paper studies the optimal behavior of a firm over time that faces the probability...
A new rank based version of the ant system – a computational study
A new rank based version of the ant system – a computational study
1999
The ant system is a new meta-heuristic for hard combinatorial problems. It is a...
Optimal enforcement policies (crackdowns) on an illicit drug market
Optimal enforcement policies (crackdowns) on an illicit drug market
1998
In this paper an optimal control model is presented to design enforcement programs...
Optimal input substitution of a firm facing an environmental constraint
Optimal input substitution of a firm facing an environmental constraint
1997
In this paper we consider the dynamic behavior of a firm subject to environmental...
Capital accumulation of a firm facing environmental constraints
Capital accumulation of a firm facing environmental constraints
1996
In this paper the authors consider the dynamic behaviour of a firm subject to...
Production smoothing under environmental constraints
Production smoothing under environmental constraints
1995
This is an investigation into how optimal production rates and optimal price levels...
Optimal recycling of tailings for the production of building materials
Optimal recycling of tailings for the production of building materials
1992
This paper considers the problem of optimal reutilization of waste material from ore...
Environmental constraints and choice of technology: A dynamic activity analysis
Environmental constraints and choice of technology: A dynamic activity analysis
1992
The authors are considering a simple dynamic model of a monopolistic firm with two...
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