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Ismat Beg

Dr. Ismat Beg is a Distinguished National Professor at Lahore School of Economics. He is also an Honorary Full Professor, Institute for Basic Research, Florida, (USA). He has PhD in Mathematics from University of Bucharest with specialization in functional analysis and operator theory. Dr. Beg is an internationally acknowledged scholar, researcher and teacher in the field of mathematical sciences. He has served as Professor in various prestigious Universities/Institutes nationally and internationally. Dr. Beg is a Fellow of Pakistan Academy of Sciences. His research work (303 published research papers, three books and five book chapters) has great diversity and is well cited by other researchers. His present research interests are in preference modeling and multi-criteria decision making, fixed point theory, best approximations and fuzzy relations/multi-valued functions. He has supervised twelve M. Phil. dissertations, seven Ph.D. theses and ten post-doctoral researchers. He was awarded Pakistan Academy of Sciences Gold Medal in 2008. He was also awarded first prize in mathematics for research by National Book Council of Pakistan, Government of Pakistan in 1986. He has completed as principal investigator twelve research projects. He is an elected fellow of the Institute of Mathematics and its Applications (UK), a Chartered Mathematician and a Chartered Scientist. He is a Fellow of International Artificial Intelligent Industry Alliance, and The International Core Academy of Sciences and Humanities. Dr. Beg is a senior member of London Mathematical Society. The access to his research articles is provided by:  https://www.researchgate.net/profile/Ismat_Beg/ & https://orcid.org/0000-0002-4191-1498

Professor Beg roles as teacher and mentor are also exceptional, and are felt well beyond national boundaries. He has promoted the cause of mathematics in general and of functional analysis in particular by organizing series of symposia and conferences both national and regional. He is also member of board of studies of several universities. He is member of Editorial Board of twelve international journals. He is also a reviewer of Zentralblatt Fur Mathematik (Germany), Mathematical Review (USA) and The Natural Sciences and Engineering Research Council of Canada. Dr. Beg is a member of European Mathematical Society, American Mathematical Society, International Federation of Nonlinear Analysts, International Rough Set Society, Society for Mathematics of Uncertainty, All Pakistan Mathematical Association and Punjab Mathematical Society.

    Dr. Beg’s recent publications include:

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    • TOPSIS for hesitant fuzzy linguistic term sets, Int. J. Intelligent Systems, 28 (2013), 1162–1171.
    • Fixed point of a pair of contractive dominated mappings on a closed ball in an ordered dislocated metric space, Fixed Point Theory and Appl., 2013 (2013):115, 15 pages.
    • A democratic preference aggregation model, J. Uncertainty Anal. and Appl., 1:5 (2013) 11 pages
    • Fuzzy wavelets, J. Fuzzy Math., 21(3) (2013), 623-638.
    • Aggregation operators of interval-valued 2-tuple linguistic information, Int. J. Intelligent Systems, 29 (2014), 634–667.
    • Multi-criteria trapezoidal valued intuitionistic fuzzy decision making with Choquet integral based TOPSIS, OPSEARCH, 51(1) (2014), 98–129.
    • Robot selection by using generalized interval valued fuzzy numbers with TOPSIS, Applied Soft Computing, 21(2014), 462–468.
    • An improved clustering algorithm using fuzzy relation for the performance evaluation of humanistic systems, Int. J. Intelligent Systems, 29(12) (2014), 1181–1199.
    • Fixed points of Edelstein-type multivalued maps, Rendiconti del Circolo Matematico di Palermo, 63(3) (2014), 399–407.
    • Fixed point on a closed ball in ordered dislocated quasi metric spaces, Fixed Point Theory, 16(2)(2015), 195–206.
    • Fixed points of Suzuki type multifunctions on metric spaces, Rendiconti del Circolo Matematico di Palermo, 64(2) (2015), 203–207.
    • Hesitant 2-tuple linguistic information in multiple attributes group decision making, J. Intelligent and Fuzzy Systems, 30(2016), 109–116.
    • Incomplete interval valued fuzzy preference relations, Information Sciences, 348(2016), 15–24.
    • I. Beg and T. Rashid: Intuitionistic fuzzy similarity measure: Theory and applications, J. Intelligent and Fuzzy Systems, 30(2016), 821–829.
    • An intuitionistic 2-tuple linguistic information model and aggregation operators, Int. J. Intelligent Systems, 31(2016), 569–592.
    • Triangular dense fuzzy sets and new defuzzification methods, J. Intelligent and Fuzzy Systems, 31(1) (2016), 469–477.
    • Coincidence point of isotone mappings in partially ordered metric spaces, Rendiconti del Circolo Matematico di Palermo, 65(2) (2016), 273–282.
    • Aggregation methods for fuzzy judgments, Fuzzy Economic Review, 21(1) (2016), 3
    • Modelling uncertainties in multi-criteria decision making using distance measure and TOPSIS for hesitant fuzzy sets, J. Artificial Intelligence and Soft Computing Research, 7(2)(2017), 103-109.
    • Incomplete hesitant fuzzy preference relations in group decision making, Int. J. Fuzzy Systems, 19(3)(2017), 637-645.
    • A fuzzy similarity measure based on equivalence relation with application in cluster analysis, Int. J. Computers and Applications, 39(3)(2017), 148-154.
    • Hesitant probabilistic fuzzy linguistic sets with applications in multi-criteria group decision making problems, Mathematics 6(4)(2018), Article ID 47
    • Fixed points on ordered metric spaces with application in homotopy theory, J. Fixed Point Theory and Applications, 20(2018), Article ID 21.
    • α-type fuzzy H-contractive mappings in fuzzy metric spaces, Fixed Point Theory, 19(2)(2018), 463-474.
    • Human attitude analysis based on fuzzy soft differential equations with Bonferroni mean, Computational and Applied Math., 37(3)(2018), 2632-2647.
    • Soft pedal and influence based decision modeling, Int. J. Fuzzy Systems, 21(2)(2019), 620-629
    • Role of honesty and confined interpersonal influence in modelling predilections, Soft Computing, 24(2019), 1497-1509 .
    • Analytic hierarchy process for hesitant probabilistic fuzzy linguistic sets with applications to multi criteria group decision making method, Int. J. Fuzzy Systems,  22(5)(2020), 1596 – 1606.
    • Fixed point of multivalued contractions by altering distances with application to nonconvex Hammerstein type integral inclusions, Fixed Point Theory, 22(1) (2021), 327 – 342.
    • Best proximity point of generalized F-proximal non-self contractions,  J. Fixed Point Theory and Appl. 23(4)(2021) Article ID; 49.
    • Best proximity points in noncommutative Banach spaces, Computational and Applied Math., 41 (2022):41
    • Polytopic fuzzy sets and their applications to multiple-attribute decision-making problems, Int. J. Fuzzy Systems, 24(6) (2022), 2969–2981.
    • Approximation of the solution of split equality fixed point problem for family of multivalued demicontractive operators with application, Mathematics, 11 (2023) Id. 959
    • Multi-attribute group decision making based on probabilistic dual hesitant fuzzy Maclaurin symmetric mean operators, Granular Computing 8(2023), 633-666.
    • Dissilient interpersonal influences in social network analysis, Fuzzy Sets Systems, 46(7) (2023), Article 108499.
    • Spherical fuzzy analytic hierarchy process and linear assignment model based MCGDM method with its application in ranking of states for their business climate, Expert Systems With Applications, 238 (2024), Article 122247
    • A new method to solve matrix game with interval payoffs and its MATLAB Code, International Game Theory Review, 26(3)(2024), Article 2450001