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Jaap Wessels

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Jaap Wessels
Born(1939-01-19)January 19, 1939
Amsterdam
DiedJuly 30, 2009(2009-07-30) (aged 70)
Alma materEindhoven University of Technology
University of Amsterdam
Scientific career
Doctoral advisorJacques F. Benders
Doctoral studentsEric van Damme

Jacobus (Jaap) Wessels (January 19, 1939 – July 30, 2009) was a Dutch mathematician and Professor of Stochastic Operations Research at the Eindhoven University of Technology.,[1] known for his contributions in the field of Markov decision processes.[2]

Biography

Born in Amsterdam, Wessels started to study Mathematics and Physics at the University of Amsterdam in 1956, where in 1963 he received his MA. He graduated in 1968 at the Eindhoven University of Technology advised by Jacques F. Benders with a thesis entitled "Decision rules in Markovian decision problems with Incompletely known transition probabilities" about Markov decision processes.[2]

In 1960 Wessels started his academic career at the University of Amsterdam as assistant to Jan Hemelrijk, an authority in the field of stochastic processes.[1] During his doctoral research, Wessels was employed as Research Assistant at the Technical University of Eindhoven. In 1973 he was appointed Professor of Applied Probability Theory at the Faculty of Mathematics and Computer Science. In 2000 he retired from the Eindhoven University of Technology. He kept participating in International Institute for Applied Systems Analysis and EURANDOM. On July 30, 2009 he died in Veldhoven.

Among his doctoral students were Jacob Wijngaard, Jo van Nunen, Kees van Hee, Jan van der Wal, Henk Zijm, Eric van Damme, Wil van der Aalst, Ivo Adan and Geert-Jan van Houtum.[2][3]

Wessels was president of the Vereniging voor Statistiek (VVS), and has contributed to the foundation of the National Network Mathematical Decision Making (LNMB), the research school BETA, and European Institute for Statistics, Probability, Stochastic Operations Research and its Applications (EURANDOM).

Work

Wessels' research interests focused on topics such as queuing theory, neural networks and structured Markov processes, and more specifically "decision support methodology and he applies his favorite research topics in operations management, communication processes, manpower policy making and environmental problems."[4]

Model-based decision support methodology

Wessels' most cited work is the 2000 publication Model-based decision support methodology with environmental applications, edited with Andrzej Wierzbicki and Marek Makowski. In the introduction they acknowledge about decision making:

Decision making is a major component of living and, therefore, a fascinating topic for discussion and investigation. Several fields in science also occupy themselves with the nature of different aspects of decision making: philosophy, psychology, sociology, economics, etc. There are many types of decision making and all types are equally intriguing, e.g., How do people react when they are threatened? How should one select a spouse? What is the most appropriate factory layout? Which markets would be most profitable?...
In most institutional decision-making problems, there are three main aspects of concern:
  • The information about the current situation and, possibly, about the past.
  • The processes that are to be influenced by the decisions.
  • The actual decision-making process
... In the history of decision support and decision analysis, one sees that many tools and methods have been developed to help make decisions.[5]

This publication gives in three parts (Methodology, Decision Support Tools, Environmental Applications) an overview of the field.

Publications

Wessel authored and co-authored dozens of publications in the field.[6] Books, a selection:

  • 1968. Decision rules in Markovian decision problems with Incompletely known transition probabilities.
  • 1976. Markov decision theory: proceedings of the Advanced Seminar on Markov Decision Theory held at Amsterdam, The Netherlands, September 13–17, 1976. With Henk Tijms eds.
  • 1991. User-oriented methodology and techniques of decision analysis and support: proceedings of the International IIASA Workshop, held in Serock, Poland, September 9–13, 1991. With Andrzej Wierzbicki eds.
  • 1993. Analysing shortest expected delay routing for Erlang servers. With Ivo Adan.
  • 2000. Model-based decision support methodology with environmental applications. With Andrzej Wierzbicki and Marek Makowski eds.

References

  1. ^ a b Jo van Nunen and Jaap van der Wal. "Jaap wessels–his life with stochastic processes." Statistica Neerlandica 54.2 (2000): 116-126.
  2. ^ a b c In memoriam prof.dr. Jaap Wessels in: Cursor/I week 37, 2009. Accessed September 18, 2010.
  3. ^ Jaap Wessels at the Mathematics Genealogy Project Edit this at Wikidata
  4. ^ Wierzbicki, Andrzej, Marek Makowski, and Jaap Wessels, eds. Model-based decision support methodology with environmental applications. Vol. 475. Dordrecht: Kluwer Academic Publishers, 2000. p. ix
  5. ^ Wierzbicki, Makowski, and Wessels, eds. (2009, p. 1-2)
  6. ^ Jaap Wessels at DBLP Bibliography Server Edit this at Wikidata
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