His primary areas of study are Data envelopment analysis, Mathematical optimization, Ranking, Data mining and Operations research. His Data envelopment analysis study incorporates themes from Inefficiency, Computational complexity theory, Decision support system, Linear programming and Numerical analysis. Gholam Reza Jahanshahloo studied Mathematical optimization and Fuzzy number that intersect with Fuzzy classification.
His Ranking research incorporates elements of TOPSIS, Interval and Extension. Gholam Reza Jahanshahloo works mostly in the field of Data mining, limiting it down to topics relating to Cross efficiency and, in certain cases, Selection and Matrix, as a part of the same area of interest. His studies deal with areas such as Preference, Type-2 fuzzy sets and systems and Preference theory as well as Multiple-criteria decision analysis.
Data envelopment analysis, Mathematical optimization, Econometrics, Linear programming and Ranking are his primary areas of study. His Data envelopment analysis research is multidisciplinary, incorporating elements of Returns to scale, Numerical analysis, Data mining and Operations research. His Mathematical optimization research is multidisciplinary, relying on both Function, Production, Interval and Fuzzy logic.
His Interval research is multidisciplinary, incorporating perspectives in TOPSIS, Upper and lower bounds and Algorithm. Gholam Reza Jahanshahloo has researched Linear programming in several fields, including Additive model and Multiple objective. His Cross efficiency study, which is part of a larger body of work in Ranking, is frequently linked to Rank, bridging the gap between disciplines.
Gholam Reza Jahanshahloo mostly deals with Data envelopment analysis, Mathematical optimization, Econometrics, Linear programming and Ranking. His research integrates issues of Data mining, Inefficiency, Reduction, Benchmark and Operations research in his study of Data envelopment analysis. His biological study spans a wide range of topics, including Production and Structure.
His Econometrics research incorporates themes from Elasticity, Statistics and Operations management. His Linear programming research focuses on subjects like Hyperplane, which are linked to Computation, Additive model and Measure. His research in Ranking intersects with topics in Matrix, Selection and Rank.
Gholam Reza Jahanshahloo focuses on Data envelopment analysis, Mathematical optimization, Ranking, Data mining and Rank. His studies in Data envelopment analysis integrate themes in fields like Production, Inefficiency, Econometrics, Measure and Operations research. His Measure study combines topics in areas such as Negative integer and Feature.
The study of Mathematical optimization is intertwined with the study of Simple in a number of ways. His Ranking research includes elements of Matrix, Selection and Rank. His Data mining research integrates issues from Computational intelligence, Super efficiency and Representation theorem.
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An algorithmic method to extend TOPSIS for decision-making problems with interval data
Gholam Reza Jahanshahloo;F. Hosseinzadeh Lotfi;Mohammad Izadikhah.
Applied Mathematics and Computation (2006)
Extension of the TOPSIS method for decision-making problems with fuzzy data
G. R. Jahanshahloo;F. Hosseinzadeh Lotfi;M. Izadikhah.
Applied Mathematics and Computation (2006)
Efficiency Analysis and Ranking of DMUs with Fuzzy Data
S. M. Saati;Azizollah Memariani;Gholam Reza Jahanshahloo.
Fuzzy Optimization and Decision Making (2002)
A Complete Efficiency Ranking of Decision Making Units in Data Envelopment Analysis
Saeid Mehrabian;Mohammad R. Alirezaee;Gholam R. Jahanshahloo.
Computational Optimization and Applications (1999)
Linear bilevel programming solution by genetic algorithm
S.R. Hejazi;A. Memariani;G. Jahanshahloo;M.M. Sepehri.
Computers & Operations Research (2002)
Extension of TOPSIS for decision-making problems with interval data: Interval efficiency
G. R. Jahanshahloo;F. Hosseinzadeh Lotfi;A. R. Davoodi.
Mathematical and Computer Modelling (2009)
A SUPER-EFFICIENCY MODEL FOR RANKING EFFICIENT UNITS IN DATA ENVELOPMENT ANALYSIS
Shanling Li;Gholam Reza Jahanshahloo;Mohammad Khodabakhshi.
Applied Mathematics and Computation (2007)
A NOTE ON SOME OF DEA MODELS AND FINDING EFFICIENCY AND COMPLETE RANKING USING COMMON SET OF WEIGHTS
G.R. Jahanshahloo;A. Memariani;F. Hosseinzadeh Lotfi;H.Z. Rezai.
Applied Mathematics and Computation (2005)
A new DEA ranking system based on changing the reference set
Gholam Reza Jahanshahloo;Hélcio Vieira Junior;Farhad Hosseinzadeh Lotfi;Darush Akbarian.
European Journal of Operational Research (2007)
Selecting symmetric weights as a secondary goal in DEA cross-efficiency evaluation
G.R. Jahanshahloo;F. Hosseinzadeh Lotfi;Y. Jafari;R. Maddahi.
Applied Mathematical Modelling (2011)
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