o. Univ.-Prof. Dr. Richard Hartl

Professor - aktiv

Jahrgang
1956
Position / Amtsbezeichnung
Lehrstuhlinhaber
Universität
Universität Wien
Fachbereich
Fakultät für Wirtschaftswissenschaften
Institut
Institut für Betriebswirtschaftslehre
Arbeitsbereiche
Produktion und Logistik
Forschungsbereiche
Quantitative methods in production and operations management
Quantitative methods in transportation
Dynamics of the firm
Optimal control
Ant systems (ACO) and their application in production and operations management
Genetic algorithms (GA) and their application in production and operations management
Land
Österreich
Ort / PLZ
1210 Wien
Strasse
Brünner Straße 72
Telefon
0043-1-4277-38091
Sekretariat
0043-1-4277-38092
FAX
0043-1-4277-38094

Bücher

Veröffentlichungen

Books and Edited Volumes

Feichtinger, G., Hartl, R.F.: Optimale Kontrolle ökonomischer Prozesse: Anwendungen des Maximumprinzips in den Wirtschaftswisssenschaften, de Gruyter, Berlin, 1986.

Bühler, W., Feichtinger, G., Hartl, R.F., Radermacher, F.J., Stähly, P. (eds.): Operations Research Proceedings 1990, Springer, Berlin, 1991.

Feichtinger, G., Hartl, R.F., Janko, W.H., Katzenberger, W., Stepan, A. (eds.): Methods of Operations Research 64, Athenäum, 1991.

Feichtinger, G., Hartl, R.F. (eds.): Special Issue on "Nonlinear Methods in Economics and Optimal Control", Annals of Operations Research 37, 1992.

Dawid, H., Feichtinger, G., Hartl, R.F. (eds.): Special Issue on "Optimal Control and Differential Games", Annals of Operations Research 88, 1999.

Dawid, H., Feichtinger, G., Hartl, R.F. (eds.): Special Issue on "Nonlinear Dynamical Systems and Adaptive Methods", Annals of Operations Research 89, 1999.

Dockner, E., Hartl, R.F., Luptacik, M., Sorger, G. (eds): Optimization, Dynamics and Economic Analysis: Essays in Honour of Gustav Feichtinger, Physica, 2000.

Dawid, H., Feichtinger, G., Hartl, R.F. (eds.): Special Issue on "Nonlinear Dynamics: Theory and Economic Applications", Central European Journal of Operations Research , Vol. 9, No. 1/2, 2001.

Feichtinger, G., Hartl, R.F., Kort, P.M. (eds.): Special Issue on "Economic Applications of Optimal Control", Optimal Control Applications and Methods , Vol. 22, Issue 5-6 (September – December 2001), 2001.

Feichtinger, G., Hartl, R.F., Jorgensen, S. (eds.): Special Issue on "Economic Applications of Dynamic Games", International Game Theory Review , Vol. 4, Number 1 (March 2002), 2002.

Dawid, H., Dörner, K., Dorffner, G., Fent, T., Feurstein, M., Hartl, R.F., Mild, M., Natter, M., Reimann, M., Taudes, A.: Quantative Models of Learning Organizations, Interdisciplinary Studies in Economics and Management, Springer, 2002.


Journal Articles and Working Papers

in preparation:
1. Dockner, E., Hartl, R.F., Kort, P.M.: Dynamic capital structure choice and investment timing, in preparation.

2. Feichtinger, G., Hartl, R.F., Kort, P.M., Veliov, V.: Environmental Policy, the Porter Hypothesis and the Composition of Capital: Effects of Learning and Technological Progress, in preparation.

Back to Contents

2004
Caulkins, J.P., Hartl, R.F., Kort, P.M., Feichtinger, G.: Explaining fashion cycles: a Skiba curve analysis, working paper.
Doerner, K., Gutjahr, W., Hartl, R.F., Strauß, C., Stummer, C.: Pareto Ant Colony Optimization: A Metaheuristic Approach to Multiobjective Portfolio Selection, Annals of Operations Research, to appear.

Feichtinger, G., Hartl, R.F., Kort, P.M., Veliov, V.: Dynamic Investment Behavior Taking Into Account Ageing of the Capital Good, in: Firdaus Udwadia (eds.), Dynamical Systems and Control, Gordon and Breach, London, 2003, to appear.

Gavrila, C., Caulkins, J. P., Feichtinger, G., Tragler, G., Hartl, R.F.: Managing the Reputation of an Award to Motivate Performance, Mathematical Methods of Operations Research, to appear 2004.

Gavrila, C., Feichtinger, G., Kort, P.M., Tragler, G. & Hartl, R.F.: History-dependence in a rational addiction model. Mathematical Social Sciences, to appear 2004.

Hartl, R.F., Kort P.M., Feichtinger, G., Wirl, F.: Multiple Equilibria and Thresholds due to Relative Investment Costs: Non-Concave - Concave, Focus - Node, Continuous - Discontinuous, Journal of Optimization Theory and Applications, 123 (No.1, October), to appear.

Reimann, M., Dörner, K., Hartl, R.F.: D-Ants: Savings Based Ants Divide and Conquer the Vehicle Routing Problem, Computers and Operation Research 31 (No. 4, April ), 563-591, 2004.

2003

Doerner, K., Gronalt, M., Hartl, R.F., Reimann, M. and Zisser, K.: Scheduling blood collecting vehicles for the Austrian Red Cross, in: Preprints of ODYSSEUS, 2003.

Doerner, K., Gronalt, M., Hartl, R.F., Reimann, M. and Zisser, K.: VRP with interdependent time windows - A case study for the Austrian Red Cross blood programme, in: Leopold-Wildburger, U., Rendl, F., Wäscher, G. (Eds.), Operations Research Proceedings 2002, Springer, Berlin, pp. 156-161, 2003.

Doerner, K., Hartl, R. F., Maniezzo, V., Reimann, M.: An Ant System Metaheuristic for the Capacitated Arc Routing Problem. Preprints of 5th Metaheuristics International Conference, Kyoto.

Doerner, K., Hartl, R.F. and Reimann, M.: COMPET-Ants for problem solving - the case of full truckload transportation, Central European Journal for Operations Research, 11 (2), 115-141, 2003.

Gavrila, C., Feichtinger, G., Tragler, G., Hartl, R.F., Kort, P.: History-dependence in a rational addiction model, Mathematical Social Sciences, to appear.

Gronalt, M., Hartl, R.F., Reimann, M.: New savings based algorithms for time constrained pickup and delivery of full truckloads, European Journal of Operational Research 151 (No. 3, December), 520-535, 2003.

Gronalt, M., Hartl, R.F.: Workforce planning and allocation for mid-volume truck manufacturing: a case study, International Journal of Production Research 41 (3), 449 – 463, 2003.

Hartl, R.F., Kort, P., Feichtinger, G.: Offence Control taking into account Heterogeneity of Age, Journal of Optimization Theory and Applications 116 (no.3, March), 591-619, 2003.

Hartl, R.F., Kort, P.M.: History dependence without unstable steady state: a non-differentiable framework, Journal of Mathematical Economics 39 (No. 8, November), 891-900, 2003.

Hartl, R.F., Novak, A.J., Rao, A.G., Sethi, S.P.: Optimal Pricing of a Product Which Diffuses in Rich and Poor Populations, Journal of Optimization Theory and Applications 117 (No. 2, May), 349-375, 2003.

Haunschmied, J.L., Kort, P.M., Hartl, R.F., Feichtinger, G.: A DNS-Curve in a Two State Capital Accumulation Model: a Numerical Analysis, Journal of Economic Dynamics & Control 27 (No.4, 2003), 701-716, 2003.

Reimann, M., Doerner, K. and Hartl, R.F.: Analyzing a unified Ant System for VRPs and some of its variations, in: Applications of Evolutionary Computing, Springer LNCS, No. 2611, 300-310, 2003.

2002

Dawid, H., Dörner, K., Hartl, R.F., Reimann, M.: Ant Based Approaches to Strategy in: H. Dawid et al. (eds.), Quantative Models of Learning Organizations, Interdisciplinary Studies in Economics and Management, Springer, pp. 83 – 94, 2002.

Dawid, H., Dörner, K., Hartl, R.F., Reimann, M.: Ant Systems to Solve Operational Problems, in: H. Dawid et al. (eds.), Quantative Models of Learning Organizations, Interdisciplinary Studies in Economics and Management, Springer, pp. 65 – 82, 2002.

Doerner, K., Gutjahr, W., Hartl, R.F., Strauß, C., Stummer, C.: Investitionsentscheidungen bei mehrfachen Zielsetzungen und künstliche Ameisen, in: Chamoni, P., Leisten, R., Martin, A., Minnemann, J., Stadtler, H., (Eds.), Operations Research Proceedings 2001, Springer, Berlin, pp. 355-362, 2002.

Doerner, K.F., Gutjahr, W., Hartl, R.F., Reimann, M., Strauss, C., Stummer, M.: SavingsAnts for the Vehicle Routing Problem, in: S. Cagnoni, J.Gottlieb, E. Hart, M. Middendorf, G.R. Raidl (eds.), Applications of Evolutionary Computing, Springer LNCS 2279, Berlin/Heidelberg, pp. 11-20, 2002.

Feichtinger, G., Hartl, R.F., Kort, P.M., Veliov, V.: Anticipation effects of technological progress on capital accumulation: a vintage capital approach, submitted

Hartl, R.F. , Kirakossian, G.T., Hakobyan, S.R., Markaryan, A.H.: A Dynamical Model of Water Recycling in a Mine-Processing Enterprise, submitted

Hartl, R.F., Kort, P.M., Novak, A.: Capital Accumulation Model with Debt Financing: The Steigum Model Revisited, in: G. Zaccour (ed.), Optimal Control and Differential Games - Essays in Honour of Steffen Jørgensen, Kluwer, Boston, pp. 23-38, 2002.

Hartl, R.F.: Stichwort Kontrolltheorie, in: Hans-Ulrich Küpper und Alfred Wagenhofer (eds.) Handwörterbuch Unternehmensrechnung und Controlling, Schaeffer-Poeschel, Stuttgart, pp. 996 – 1009, 2002, .

Kirakossian, G., Hartl, R.F.: A dynamical model of optimal management and recycling of waste materials (in Russian), Modelling, Optimization and Management 5, 147 – 152, 2002.

Kort, P.M., Greiner, A., Feichtinger, G., Haunschmied, J., Novak., A., Hartl, R.F.: Environmental effects of tourism industry investments: an intertemporal trage-off (3D), Optimal Control Applications & Methods, 23 (1), 1 - 19, 2002.

Reimann, M., Doerner, K., Hartl, R.F.: Insertion based Ants for Vehicle Routing Problems with Backhauls and Time Windows, in: M. Dorigo, G. Di Caro, M. Sampels, (eds.): Ant Algorithms, Springer LNCS 2463, Berlin/Heidelberg, pp. 135-147, 2002.

2001

Caulkins, J.P., Hartl, R.F., Tragler, G., Feichtinger, G.: Why Politics Makes Strange Bedfellows: A Dynamic Model with DNS Curves, Journal of Optimization Theory and Applications, 111 (2), 237-254, November 2001.

Doerner, K., Gronalt, M., Hartl, R.F., Reimann, M.: Optimizing Real Time Operations in Transportation with an Ant System, in: Preprints of the Triennial Symposium on Transportation Analysis (Tristan IV), Sao Miguel, Portugal, pp. 701-705, 2001.

Doerner, K., Gutjahr, W., Hartl, R.F., Strauß, C., Stummer, C.: Ant Colony Optimization in Multiobjective Portfolio Selection, Proceedings of MIC 2001, pp. 243-248, 2001.

Doerner, K., Hartl, R.F., Reimann, M.: A hybrid ACO algorithm for the Full Truckload Transportation Problem,

Doerner, K., Hartl, R.F., Reimann, M.: Are COMPETants more competent for problem solving? - the case of a multiple objective transportation problem, in: L. Spector et al., GECCO-2001: Proceedings of the Genetic and Evolutionary Computation Conference, Morgan Kaufman Publishers, San

Doerner, K., Hartl, R.F., Reimann, M.: Cooperative Ant Colonies for Optimizing Resource Allocation in Transportation, in: Boers, E.J.W., Gottlieb, J., Lanzi, P.L., Smith, R.E., Cagnoni, S., Hart, E., Raidl, G.R., Tijink, H., (eds.), Applications of Evolutionary Computing, Springer LNCS 2037, Berlin/Heidelberg, pp. 70-79, 2001.

Doerner, K.F., Hartl, R.F., Reimann, M.: Ants Solve Time Constrained Pickup and Delivery Problems with Full Truck Loads, in: B. Fleischmann, R. Lasch, U. Derigs, W. Domschke, U. Rieder (eds.), Operations Research Proceedings 2000, Springer, Berlin, pp. 395 – 400, 2001.

Feichtinger, G., Hartl, R.F., Kort, P.M., Novak, A.: Terrorism Control in the Tourism Industry, Journal of Optimization Theory and Applications, 108 (2), 283 - 296, Feb. 2001.

Feichtinger, G., Hartl, R.F., Kort, P.M., Wirl, F.: The Dynamics of a Simple Relative Adjustment-Cost Framework, working paper, German Economic Review, 2 (3), 255 - 268 August 2001.

Hartl, R.F., Kort, P., Veliov, V., Feichtinger, G.: Capital Accumulation under Technological Progress and Learning: a Vintage Capital Approach, submitted

Greiner, A., Feichtinger, G., Haunschmied, J., Kort, P.M., Hartl, R.F.: Optimal periodic development of a pollution generating tourism industry (2D), European Journal of Operational Research 134 (3), 582-591, 2001.

2000

Bauer, A., Bullnheimer, B., Hartl, R.F., Strauss, C.: Minimizing Total Tardiness on a Single Machine Using Ant Colony Optimization, Central European Journal of Operations Research 8 (2), 125 - 141, 2000.

Baveja, A., Feichtinger, G., Hartl, R.F., Haunschmied, J.L., Kort, P.M.: A resource-constrained optimal control model for crackdown on illicit drug markets, Journal of Mathematical Analysis & Applications, 249 (Bellman Special Issue), 53 - 79, 2000.

Doerner, K.F., Gronalt, M., Hartl, R.F., Reimann, M.: Time Constrained Full Truckload Transportation: Optimizing Fleet Size and Vehicle Movements,

Doerner, K.F., Hartl, R.F., Reimann, M.: Ant Colony Optimization applied to the Pickup and Delivery Problem,

Gronalt, M., Hartl, R.F.: Worker and floater time allocation in a mixed-model assembly line, under revision in M&SOM

Hartl, R.F., Kort, P.M.: Optimal Investments with Convex-Concave Revenue, Working paper, 2000.

Hartl, R.F., Kort, P.M.: Optimal Investments With Increasing Returns to Scale: a Further Analysis, in: Dockner, E., Hartl, R.F., Luptacik, M., Sorger, G. (eds). Optimization, Dynamics and Economic Analysis, Physica, pp. 226-238, 2000.

1999

Bauer, A., Bullnheimer, B., Hartl, R.F., Strauss, C.: An Ant Colony Optimization Approach for the Single Machine Total Tardiness Problem, in Proceedings of the 1999 Congress on Evolutionary Computation CEC99, IEEE Service Center, Piscataway, NJ, 1999, Volume 2, pages 1445 - 1450, 1999

Bullnheimer, B., Hartl, R.F., Strauss, C.: A new rank based version of the ant system - a computational study, Central European Journal of Operations Research 7 (1), 25-38, 1999a

Bullnheimer, B., Hartl, R.F., Strauss, C.: An Improved Ant System Algorithm for the Vehicle Routing Problem, Annals of Operations Research 89, 319-328, 1999b

Hartl, R.F., Kort, P.M., Novak, A: Optimal investment facing possible accidents, Annals of Operations Research 88, 99-117, 1999

1998

Bullnheimer, B., Hartl, R.F., Strauss, C.: Applying the Ant System to the Vehicle Routing Problem, in: S. Voß, S. Martello, I.H. Osman, C. Roucairol (Eds.), Meta-Heuristics: Advances and Trends in Local Search Paradigms for Optimization. Kluwer, Boston (1998), pp. 109-120.

Feichtinger, G., Hartl, R.F., Haunschmied, J., Kort, P.M.: Optimal Enforcement Policies (Crackdowns) on a Drug Market, Optimal Control Applications & Methods 19, 169-184, 1998.

1997

Hartl, R.F., Kort, P.M.: Optimal input substitution of a firm facing an environmental constraint, European Journal of Operational Research 99 (No.1, June), 1997.

1996

Hartl, R.F., Kort, P.M.: Marketable permits in a stochastic dynamic model of the firm, Journal of Optimization Theory and Applications 89 (No.1, April), 129-155, 1996a.

Hartl, R.F., Kort, P.M.: Capital accumulation of a firm facing an emissions tax, Journal of Economics 63 (1), 1-23, 1996b.

Hartl, R.F., Kort, P.M.: Capital accumulation of a firm facing environmental constraints, Optimal Control Applications & Methods 17, 253-266, 1996c.

1995

Hartl, R.F., Sethi, S.P., Vickson, R.: A survey of the maximum principle for optimal control problems with state constraints, SIAM Review 37 (2), 181-218, 1995.

Hartl, R.F.: Production smoothing under environmental constraints. Production and Operations Management 4 (1), 46-56, 1995.

1994

Feichtinger, G., Hartl, R.F., Sethi, S.P.: Dynamic optimal control models in advertising: recent developments. Management Science 40 (2), 195-226, 1994.

Han, M, Feichtinger, G., Hartl, R.F.: Nonconcavity and proper optimal periodic control, Journal of Economic Dynamics & Control 18, 976-990, 1994.

1993

Freitter, M.M., Hartl, R.F.: Computergestützte Koordination von Referaten eines Kongresses unter Verwendung von OR-Methoden, in: W. Frisch, A. Taudes (Eds.), Informationswirtschaft: Aktuelle Entwicklungen und Perspektiven, Physica, Heidelberg, 113-125, 1993.

Hartl, R.F.: On the properness of one-dimensional periodic control problems, Systems & Control Letters 20 (3), 393-395, 1993a.

Hartl, R.F.: Necessary properness conditions in periodic control, in: A. Karmann, K. Mosler, M. Schader, G. Uebe (Eds.) Operations Research ´,92 (Proceedings of 17th SOR in Hamburg 1992), Physica, Heidelberg, 226-229, 1993b.

Hartl, R.F., Staffelmayer, T., Petritsch, G.: Lastprognose in der Energiewirtschaft mittels neuronaler Netze, in: K.-W. Hansmann, A. Bachem, M. Jarke, W.E. Katzenberger, A. Marusev (Eds.), Operations Research Proceedings 1992, Springer, Berlin, 336-373, 1993.

1992

Hartl, R.F.: Optimal acquisition of pollution control equipment under uncertainty. Management Science 38, 609-622, 1992a.

Hartl, R.F.: Production smoothing in the Pekelman model under environmental constraints. Research Report, Institut für Ökonometrie & Operations Research, Technische Universität Wien, October 1992b.

Hartl, R.F., Feichtinger, G., Kirakossian, G.T.: Optimal recycling of tailings for the production of building materials. Czechoslowak Journal of Operations Research 1 (3), 181-192, 1992.

Hartl, R.F., Luptacik, M.: Environmental constraints and choice of technology. Czechoslowak Journal of Operations Research 1 (2), 107-125, 1992.

Hartl, R.F., Mehlmann, M., Novak, A.: Cycles of fear: optimal periodic blood-sucking rates for vampires. Journal of Optimization Theory and Applications 75 (3), 559-568, 1992.

1991

Kirakossian, G.T., Hartl, R.F.: Dinamiceskoje planirovanie ispolzovania otchoda proizvodstva dlja vypuska strojmaterialov. Kompleksnoe Ispolzovanie Mineralnovo syrja 2, 64-68, 1991.

Petritsch, G., Hartl, R.F., Komornyik, S., Hasleder, T.: A software package for forecasting and optimization in energy planning, In: G. Feichtinger et al. (Eds.) Methods of Operations Research 64, Anton Hain, 661-664, 1991.

1990

Jiang, J., Hartl, R.F., Wörgötter, A.: Macroeconomic modelling for a small open economy. Quaderni di Statistica Matematica Applicata alle Science Economico-Sociali 12, 75-82, 1990.

Hartl, R.F.: A genetic algorithm with global convergence properties. Research Report, Institut für Ökonometrie & Operations Research, Technische Universität Wien, March 1990.

Hartl, R.F., Petritsch, G.: Kraftwerkseinsatzplanung mittels zufallsgesteuerter Suchstrategien, In: K.-P. Kistner et al. (Eds.) Operations Research Proceedings 1989, Springer, Berlin, 95-102, 1990.

Mehlmann, A., Hartl, R.F.: Blut ist ein ganz besondrer Saft. In: Eichhorn (Ed.) BWL humoris causa, Gabler, Wiesbaden, 28-34, 1990.

1989

Hartl, R.F.: On forward algorithms for a generalized wheat trading model. Engineering Costs and Production Economics 15 (May), 367-370, 1989a.

Hartl, R.F.: Most rapid approach paths in dynamic economic problems. In: P. Kleinschmidt et al. (Eds.) Methods of Operations Research 58 (Proceedings of SOR 12, 1987), Athenäun, 397-410, 1989b.

Hartl, R.F.: On the Optimal acquisition of pollution control equipment under uncertainty. In: U. Rieder et al. (Eds.) Methods of Operations Research 62 (Proceedings of SOR 14, 1989), Hain, 399-410, 1989c.

Hartl, R.F., Jorgensen, S.: Optimal slidesmanship in conferences with unpredictable chairmen. Optimal Control Applications & Methods 11, 143-155, 1989.

Hartl, R.F., Kirakossian, G.T.: Optimale Nutzung von Bergbauabfällen zur Produktion von Baumaterialien, Optimization 20, 1989.

Hartl, R.F., Krauth, J.: Optimal production mix. Journal of Optimization Theory and Applications 66, 255-273, 1989.

Hartl, R.F., Krauth, J.: Ein Productions-Mix Modell mit nichtkonvexen Kosten. In: D.B. Preßmar et al. (Eds.) Operations Research Proceedings 1988, Springer, Berlin, 302-307, 1989.

1988

Hartl, R.F.: A wheat trading model with demand and spoilage. In: G. Feichtinger (Ed.) Optimal Control Theory and Economic Analysis 3, North-Holland, Amsterdam, 235-244, 1988a.

Hartl, R.F.: A dynamic activity analysis for a monopolistic firm. Optimal Control Applications & Methods 9, 253-272, 1988b.

Hartl, R.F.: The control of environmental pollution and optimal investment and employment decisions: a comment. Optimal Control Applications & Methods 9, 337-339, 1988c.

Hartl, R.F., Jorgensen, S.: Aspects of optimal slidesmanship. In: G. Feichtinger (Ed.) Optimal Control Theory and Economic Analysis 3, North-Holland, Amsterdam, 335-350, 1988.

Luhmer, A., Steindl, A., Feichtinger, G., Hartl, R.F., Sorger, G.: ADPULS in continuous time. In: G. Feichtinger (Ed.) Optimal Control Theory and Economic Analysis 3, North-Holland, Amsterdam, 73-76, 1988a.

Luhmer, A., Steindl, A., Feichtinger, G., Hartl, R.F., Sorger, G.: ADPULS in continuous time, European Journal of Operational Research 34, 171-177, 1988b.

1987

Hartl, R.F.: A simple proof of the monotonicity of the state trajectories in autonomous control problems. Journal of Economic Theory 40, 211-215, 1987a.

Hartl, R.F.: Ein mathematisches Modell des Weizenhandels. Quartalshefte der Girozentrale 22, 31-38, 1987b.

Hartl, R.F., Feichtinger, G.: A new sufficient condition for most rapid approach paths, Journal of Optimization Theory and Applications 54, 403-411, 1987.

1986

Hartl, R.F.: A forward algorithm for a generalized wheat trading model. Zeitschrift für Operations Research 30, A 135-A 144, 1986a.

Hartl, R.F.: Arrow-type sufficient optimality conditions for nondifferentiable optimal control problems with state constraints. Applied Mathematics & Optimization 14, 229-247, 1986b.

Hartl, R.F., Mehlmann, M.: On remuneration patterns for medical services. Optimal Control Applications & Methods 7, 185-193, 1986.

Steindl, A., Feichtinger, G., Hartl, R.F., Sorger, G.: On the Optimality of Cyclical Employment Policies: a Numerical Investigation. Journal of Economic Dynamics and Control 10, 457-466, 1986.

1985

Feichtinger, G., Hartl, R.F.: Optimal pricing and production in an inventory model. European Journal of Operational Research 19, 45-56, 1985a.

Feichtinger, G., Hartl, R.F.: On the use of Hamiltonian and maximized Hamiltonian in non-differentiable control theory. Journal of Optimization Theory & Applications 46, 493-504, 1985b.

Hartl, R.F., Jorgensen, S.: Optimal manpower policies in a dynamic staff-maximizing bureau. Optimal Control Applications & Methods 6, 57-64, 1985.

Hartl, R.F., Sethi, S.P.: Solution of generalized linear optimal control problems using a simplex-like method in continuous time, I: theory. In: G. Feichtinger (Ed.) Optimal Control Theory and Economic Analysis 2, North-Holland, Amsterdam, 45-62, 1985a.

Hartl, R.F., Sethi, S.P.: Solution of generalized linear optimal control problems using a simplex-like method in continuous time, II: examples. In: G. Feichtinger (Ed.) Optimal Control Theory and Economic Analysis 2, North-Holland, Amsterdam, 63-87, 1985b.

Hartl, R.F., Sorger, G.: A note on chattering control and the calculation of sliding modes. Research Report Nr. 90, Institut für Ökonometrie & Operations Research, Technische Universität Wien, Dezember 1985.

1984

Hartl, R.F.: Eine Übersicht über das Maximumprinzip für optimale Kontrollprobleme mit Zustandsnebenbedingungen. In: H. Steckhan et al. (Eds.) Operations Research Proceedings 1983, Springer, Berlin, 599-613, 1984a.

Hartl, R.F.: A survey of the optimality conditions for optimal control problems with state variable inequality constraints. In: J.P. Brans (Ed.) Operational Research `84, North-Holland, Amsterdam, 423-433, 1984b.

Hartl, R.F.: Optimal dynamic advertising policies for hereditary processes, Journal of Optimization Theory and Applications 43, 51-72, 1984c.

Hartl, R.F., Sethi, S.P.: Optimal control of a class of systems with continuous lags: a dynamic programming approach and economic interpretations. Journal of Optimization Theory & Applications 43, 73-88, 1984a.

Hartl, R.F., Sethi, S.P.: Optimal control problems with differential inclusions: sufficiency conditions and an application to a production-inventory model. Optimal Control Applications & Methods 5, 289-307, 1984b.

Haurie, A.. Sethi, S., Hartl. R.F.: Optimal control of an age-structured population model with applications to social services planning. Large Scale Systems 6, 133-158, 1984.

1983

Hartl, R.F.: Optimal allocation of resources in the production of human capital. Journal of the Operational Research Society 34, 599-606, 1983a.

Hartl, R.F.: Optimal maintenance and production rates for a machine: a nonlinear economic control problem. Journal of Economic Dynamics & Control 6, 281-306, 1983b.

Hartl, R.F. Mehlmann, A.: Convex-concave utility function: optimal blood-consumption for vampires. Applied Mathematical Modelling 7, 83-88, 1983.

Hartl, R.F., Sethi, S.P.: A note on the free terminal time transversality condition. Zeitschrift für Operations Research 27, A 203-A 208, 1983.

1982

Hartl, R.F.: Optimal control of concave economic models with two control instruments. In: G. Feichtinger, P. Kall (Eds.) Operations Research in Progress, Reidel, Dordrecht, 227-245, 1982a.

Hartl, R.F.: A mixed linear/nonlinear optimization model of production and maintenance for a machine. In: G. Feichtinger (Ed.) Optimal Control Theory and Economic Analysis, North-Holland, Amsterdam, 43-58, 1982b.

Hartl, R.F.: Optimal control of non-linear advertising models with replenishable budget. Optimal Control Applications & Methods 3, 53-65, 1982c.

Hartl, R.F. Mehlmann, A.: The Transylvanian problem of renewable resources. Révue Française d`Automatique, Informatique et de Recherche Operationelle 16, 379-390, 1982.

1981

Feichtinger, G., Hartl, R.F.: Ein nichtlineares Kontrollproblem der Instandhaltung. Operations Research-Spektrum 3, 49-58, 1981.

1980

Hartl, R.F.: Optimale mehrdimensionale Steuerung ökonomischer Modelle mit konkaver Effizienz- und Nutzenfunktion. PhD thesis, Institut für Unternehmensforschung, Technische Universität Wien, Mai 1980.


Some recent Working Papers of my group are available for downloading.

Here are the homepages of some of the journals mentioned above:

Annals of Operations Research
Central European Journal of Operations Research
European Journal of Operational Research
German Economic Review
International Journal of Production Research
Journal of Economic Dynamics and Control
Journal of Economic Theory
Journal of Economics
Journal of Mathematical Analysis and Applications
Journal of Optimization Theory and Applications
Management Science
Optimal Control Applications and Methods
OR Spectrum
Production and Operations Management

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