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Theodor Stewart

Theodor Stewart

Professor Theodor Stewart

TitleProfessor
NameTheodor Stewart
Date of Birth1943-09-16
Work Postal AddressDept. of Statistical Sciences, University of Cape Town, Private Bag X3, Rondebosch, 7701, South Africa
Primary Email
InstitutionUniversity of Cape Town
FacultyFaculty of Science

Qualifications

  • BSc(Chemical Engineering); Chemical Engineering; University of Cape Town; 1963
  • BSc(Hons) with Distinction; Yes; Operations Research; University of South Africa; 1972
  • MSc with Distinction; Yes; Operations Research; University of South Africa; 1973
  • PhD; Mathematical Statistics; University of South Africa; 1976

Career Aspect

Career Summary

After 7 years in industry and 13 years at the South African CSIR, Theo Stewart held the post of Professor in Statistical Sciences (formerly Mathematical Statistics) from 1984-2008.  As emeritus professor at UCT, he has continued in teh department as a senior research scholar.

He is also part-time professor of decision sciences at the Manchester Business School, University of Manchester

Research Summary

Summary of research activities

His primary interests are in multiple criteria decision analysis in both the discrete choice and masthematical optimization forms.  His applications of this work has related largely to natural reseource management problems in many areas.

The listed publications are from 2010;  A complete list is available on request

Honours and Awards

  • Tom Rozwadowski Medal (awarded on 6 occasions); Operations Research Society of South Africa; 1978, 1981, 1984, 1995, 1996, 2015
  • Category I recognition Award; Operations Research Society of South Africa; 2012
  • Gold Medal; International Society of Multiple Criteria Decision Making; 2008
  • Distinguished Service Medal; EURO (Association of European Operational Research Societies); 2013

Other Recognition

Member

Academy of Sciences of South Africa

Fellow

Royal Society of South Africa

Fellow

University of Cape Town

Stewart, T. J., & Durbach, I. (2016). Dealing with uncertainties in MCDA. In Greco, S., Ehrgott, M., & Figueira, J.R. (Eds.), Multiple Criteria Decision Analysis: State of the Art Surveys, (pp. 467-496). New York, Heidelberg: Springer.

Janssen, R., Joubert, A. R., & Stewart , T. J. (2013). A Multicriteria Approach to Equitable Fishing Rights Allocation in South Africa's Western Cape. In van Beukering, P.J.H., Papyrakis, E., Bouma, J., & Brouwer, R. (Eds.), Nature's Wealth: The Economics of Ecosystems Services and Poverty (pp. 155-171). Cambridge University PressY1.

Belton, V., & Stewart, T. J. (2010). Problem Structuring and MCDA. In Ehrgott, M., Figueira, J.R., & Greco, S. (Eds.), Trends in Multiple Criteria Decision Analysis (pp. 209-239). SpringerY1.

Belton, V., & Stewart, T. J. (2002). Multiple Criteria Decision Analysis - An Integrated Approach. Kluwer Academic Publishers.

Stewart, T. J. (2016). Multiple objective project portfolio optimization based on reference points. Journal of Business Economics, 86, 23-33. doi:10.1007/s11573-015-0797-x. Full text: http://dx.doi.org/10.1007/s11573-015-0797-x

Eikelboom, T., Janssen, R., & Stewart, T. J. (2015). A spatial optimization algorithm for geodesign. Landscape and Urban Planning, 144, 10-21.

Ahjum, F., & Stewart , T. J. (2014). A systems approach to urban water services in the context of integrated energy and water planning: A City of Cape Town case study. Journal of Energy in Southern Africa, 25(4), 59-70.

Miettinen, K., Mustajoki, J., & Stewart , T. J. (2014). Interactive Multiobjective Optimization with NIMBUS for Decision Making under Uncertainty. OR Spectrum, 36, 39-56. doi:10.1007/s00291-013-0328-5. Full text: http://dx.doi.org/10.1007/s00291-013-0328-5

Stewart , T. J., & Janssen, R. (2014). A Multiobjective GIS-Based Land Use Planning Algorithm. Computers, Environment and Urban Systems, 46, 25-34. doi:10.1016/j.compenvurbsys.2014.04.002. Full text: http://dx.doi.org/10.1016/j.compenvurbsys.2014.04.002

Watson, N. M., Stewart , T. J., & Scott, L. (2014). Decision support for Foodbank South Africa. Orion: Journal of the Operations Research of South Africa, 30, 1-18.

Stewart , T. J., & Janssen, R. (2013). Integrated Value Function Construction with Application to Impact Assessments. International Transactions in Operational Research, 20, 559-578. doi:10.1111/itor.12016. Full text: http://dx.doi.org/10.1111/itor.12016

Stewart , T. J., French, S., & Rios, J. (2013). Integrating Multicriteria Decision Analysis and Scenario Planning -- Review and Extension. Omega-International Journal of Management Science, 41, 679-688. doi:10.1016/j.omega.2012.09.003. Full text: http://dx.doi.org/10.1016/j.omega.2012.09.003

Durbach, I. N., & Stewart, T. J. (2012). A comparison of simplified value function approaches for treating uncertainty in multi-criteria decision analysis. Omega - The International Journal of Management Science, 40, 456-464. doi:10.1016/j.omega.2011.08.004. Full text: http://dx.doi.org/10.1016/j.omega.2011.08.004

Durbach, I. N., & Stewart, T. J. (2012). Modelling uncertainty in multi-criteria decision analysis. European Journal of Operational Researrch, 223, 1-14. doi:10.1016/j.ejor.2012.04.038. Full text: http://dx.doi.org/10.1016/j.ejor.2012.04.038

Durbach, I. N., & Stewart, T. J. (2011). An experimental study of the effect of uncertainty representation on decision making. European Journal of Operational Researrch, 214, 380-392. doi:10.1016/j.ejor.2011.04.021. Full text: http://dx.doi.org/10.1016/j.ejor.2011.04.021

Stewart, T. J. (2010). Goal Directed Benchmarking for Organizational Efficiency. Omega - The International Journal of Management Science, 38, 534-539. doi:10.1016/j.omega.2010.01.004. Full text: http://dx.doi.org/10.1016/j.omega.2010.01.004

Stewart, T. J., Joubert, A., & Janssen, R. (2010). MCDA Framework for Fishing Rights Allocation in South Africa. Group Decision and Negotiation, 19, 247-265. doi:10.1007/s10726-009-9159-9. Full text: http://dx.doi.org/10.1007/s10726-009-9159-9