Dr. Debdas Ghosh

Associate Professor
Department/School/Unit Name
Department of Mathematical Sciences, IIT BHU
Phone No(s): +91 9735453726
Email: debdas.mat@iitbhu.ac.in
Area of Interest: Continuous Optimization

 

  • Optimization Techniques 
  • Operations Research 
  • Engineering Mathematics I
  • Engineering Mathematics II
  • Numerical Techniques 
  • Modern Algebra  
  • Real Analysis 
  • Functional Analysis
  • Universal Human Values II 

 

 

  • World’s Top 2 Percent Scientist by Stanford/Elsevier (2024)
  • Second Best Oral Presentation Award, Department of Mathematics, IIT Kharagpur (2014)  
  • Young Scientist Award, VIFRA (2015) 
  • Best Poster Presentation Award, Department of Mathematics, IIT Kharagpur (2013) 
  • Second Best Poster Presentation Award, Department of Mathematics, IIT Kharagpur (2011) 
  • Prof. J. C. Bose Memorial GOLD Medal, IIT Kharagpur (2009) 
  • Institute Silver Medal, IIT Kharagpur (2009) 
  • Qualified GATE with All India Rank: 8, Percentile: 99.67 (2009) 
  • Qualified NET, JRF-CSIR, All India Rank: 22 (2009) 
  • Best Project Award, IIT Kharagpur (2009) 
  • Stood Second Position in Merit among All Mathematics Honours Students of the University of Calcutta (2007)

 

 

 

 

  • Applied Analysis, Optimization and Soft Computing
    D Ghosh et al. (Eds.)
    Proceedings in Mathematics and Statistics, Volume No. 419, 
    Springer, 2023

 

  • Nonlinear and Variational Analysis 
    D Ghosh and J-C Yao (Eds.)
    SI in Journal of Nonlinear and Convex Analysis, Volume 25, Number 8, 2024

 

  • Contemporary Trends in Vector and Set Optimization  
    D Ghosh and Jiawei Chen (Eds.)
    SI in Journal of Applied Analysis and Optimization, Volume 8, Number 2, 2024 

 

  • Proceedings of IWAAO2024, Taichung, Taiwan  
    J. C. Yao, D. Ghosh, E. Kobis, C. Tammer (Eds.)
    SI in Optimization, Taylor and Francis, 2025

 

 

 

  • A Method for Uncertain Linear Optimization Problems Through Polytopic Approximation of the Uncertainty Set 
    Ravi Raushan, Debdas Ghosh, Yong Zhao, Zhou Wei  
    Journal of Optimization Theory and Applications,  205 (2025) 14 

 

    • Nonmonotone Wolfe-type Quasi-Newton Methods for Multiobjective Optimization Problems 
      Ashutosh Upadhayay, Debdas Ghosh, Krishan Kumar  
      OptimizationAccepted Manuscript, 2025  

     

      • Proximal gradient method for convex multiobjective optimization problems without Lipschitz continuous gradients 
        X. Zhao, R. Raushan, D. Ghosh, J.-C. Yao, M. Qi  
        Computational Optimization and ApplicationsAccepted Manuscript, 2025  

       

        • A three-block linearized generalized ADMM based iterative algorithm for separable convex programming with application to an image compression problem
          X. Q. Zhang, J.-W. Peng, D. Ghosh, J.-C. Yao 
          Journal of Computational and Applied Mathematics462 (2025) 116483 

         

          • Exact Penalty Method for Constrained Interval Optimization using gH-Mordukhovich Subdifferential 
            Suprova Ghosh, Debdas Ghosh, C.-F. Wen  
            Journal of Nonlinear and Convex AnalysisAccepted Manuscript, 2025  

           

          • Solving Equilibrium and Fixed-Point Problems in Hilbert Spaces: A Class of Strongly Convergent Mann-Type Dual-Inertial Subgradient Extragradient Methods
            H. U. Rehman, D. Ghosh, J.-C. Yao, X. Zhao  
            Journal of Computational and Applied Mathematics464 (2025) 116509 

           

            • An Improved Nonmonotone Quasi-Newton Method for Multiobjective Optimization Problems 
              Krishan Kumar, Abhishek Singh, Ashutosh Upadhyay, D. Ghosh 
              Journal of Nonlinear and Convex AnalysisAccepted Manuscript, 2025  

             

              • Epsilon-Subdifferentiability for Interval-valued Functions and Its Application in Interval Optimization Problems 
                Krishan Kumar, D. Ghosh, J-W Chen, J.-C. Yao 
                Computational and Applied MathematicsAccepted Manuscript, 2025  

               

              • Inexact Newton Method for Solving Generalized Nash Equilibrium Problems
                Abhishek Singh, Debdas Ghosh, QH Ansari 
                Journal of Optimization Theory and Applications201 (2024) 1333–1363 

               

              • Self-adaptive inertial subgradient-like extragradient method for bilevel split pseudomonotone variational inequality with CFPP constraint in Banach spaces
                L.-C. Ceng, H. U. Rehman, D. Ghosh, J.-C. Yao, X. Zhao 
                Fixed Point TheoryAccepted Manuscript, 2024 

               

              • Generalized Ordered Weighted Aggregation Robustness: A New Robust Counterpart to Solve Uncertain Multi-objective Optimization Problems
                Debdas Ghosh, Nand Kishor 
                Engineering OptimizationAccepted Manuscript, 2024 

               

              • Nonlinear Conjugate Gradient Methods for Unconstrained Set Optimization Problems whose Objective Functions have Finite Cardinality
                K. Kumar, D. Ghosh, J-C Yao, X Zhao
                OptimizationAccepted Manuscript, 2024 

               

              • On quasi-inertial double extragradient-type iterations for variational inequalities and Bregman relatively asymptotically nonexpansive mapping
                L-C Ceng, D Ghosh, H Rehman, J-C Yao, X Zhao
                Optimization EngineeringAccepted Manuscript, 2024 

               

              • A projected gradient method for constrained set optimization problems with set-valued mappings of finite cardinality 
                D Ghosh, K Kumar, J-C Yao, and X Zhao 
                Engineering OptimizationAccepted Manuscript, 2024 

               

              • A Study on Fuzzy Sphere and Fuzzy Cone
                D. Gupta, D. Ghosh, T. Som 
                Information Sciences675 (2024) 120755  

               

              • On the Convergence Analysis of a Proximal Gradient Method for Multiobjective Optimization 
                X. Zhao, D. Ghosh, X. Qin, C. Tammer, J.C. Yao 
                TOP: Transactions in Operations ResearchAccepted Manuscript, 2024 

               

              • Steepest Descent Method for Uncertain Multiobjective Optimization Problems Under Finite Uncertainty Set 
                Shubham Kumar, Md Abu T Ansary, Nihar Kumar Mahato, Debdas Ghosh
                Applicable AnalysisAccepted Manuscript, 2024 

               

              • A Modified Quasi-Newton Method  for Uncertain Multiobjective Optimization Problems Under Finite Uncertainty Set
                S. Kumar, N. K. Mahato, M. A. T. Ansary, Debdas Ghosh, S. Treant
                Engineering OptimizationAccepted Manuscript, 2024 

               

              • A Projection-type Hybrid Conjugate Gradient Method for Multiobjective Optimization Problems with Application to an SIR Model
                D. Ghosh, A. Upadhyay, Z-Y Peng, Jauny 
                Journal of Nonlinear and Convex AnalysisAccepted Manuscript, 2024 

               

              • Second-Order Strong Optimality and Duality for Nonsmooth Multiobjective Fractional Programming with Constraints
                J. Chen, L. Liu, Y. Lv, Debdas Ghosh, J.-C. Yao
                Positivity28 (2024) 36  

               

              • Generalized Ordered Weighted Aggregation Robustness to Solve Uncertain Single Objective Optimization Problems 
                N. Kishor, D. Ghosh, X. Zhao 
                Journal of Nonlinear and Convex AnalysisAccepted Manuscript, 2024 

               

              • A new type of Ekeland's principle and its applications 
                M. Ghobadi, A. Farajadeh, D. Ghosh 
                Journal of Nonlinear and Convex AnalysisAccepted Manuscript, 2024 

               

                • Extragradient Methods with Dual Inertial Steps for Solving Equilibrium Problems
                  H. Rehman, D. Ghosh, J. C. Yao, X. Zhao 
                  Applicable Analysis103(16) (2024) 2941–2976 

                 

                • An inexact proximal point method with quasi-distance for quasi-convex multiobjective optimization
                  X. Zhao, H. Ji, Debdas Ghosh, J. C. Yao 
                  Positivity28 (2024) 43  

                 

                • A Nonmonotone Conditional Gradient Method for Multiobjective Optimization Problems
                  A. Upadhayay, Debdas Ghosh, Jauny, J. C. Yao, X. Zhao
                  Soft Computing28 (2024) 9609–9630  

                 

                • A Newton Method for Uncertain Multiobjective Optimization Problems with Finite Uncertainty Set
                  Debdas Ghosh, N. Kishor, X. Zhao
                  Journal of Nonlinear and Variational Analysis9 (2025) 81–110 

                 

                • Improved Nonmonotone Adaptive Trust-region Method to Solve Generalized Nash Equilibrium Problems
                  Abhishek Singh, Krishan Kumar, Debdas Ghosh
                  Journal of Nonlinear and Convex Analysis25 (1) (2024) 11-29

                 

                • Generalized Hukuhara Hadamard Derivative of Interval-valued Functions and Its Applications to Interval Optimization
                  RS Chauhan, Debdas Ghosh, QH Ansari 
                  Soft Computing, 28 (2024) 4107–4123 

                 

                  • Generalized Hukuhara Weak Subdifferential and its Application on Identifying Optimality Conditions for Nonsmooth Interval-valued Functions
                    S. Ghosh, D. Ghosh, A. Pretrusel, X. Zhao
                    Journal of Nonlinear and Variational Analysis8(2) (2024) 333-368 

                   

                   

                    • Characterization Of E-Benson Proper Efficient Solutions of Vector Optimization Problems With Variable Ordering Structures in Linear Spaces
                      J-W Peng, W-B Wei, Debdas Ghosh, J-C Yao 
                      Journal of Nonlinear and Variational Analysis8(4) (2024) 659-680

                     

                      • A globally convergent improved BFGS method for generalized Nash equilibrium problems 
                        Abhishek Singh, Debdas Ghosh
                        SeMA JournalAccepted Manuscript, 81 (2024) 235-261   

                       

                      • Hukuhara Dini Hadamard ε-Subdifferential and Hε-subgradient and their Applications in Interval Optimization
                        Anshika, Krishan Kumar, Debdas Ghosh
                        Journal of Applied and Numerical Optimization6(2) (2024) 177-202  

                       

                      • An Infeasible Interior-Point Technique to Generate the Nondominated Set for Multiobjective Optimization Problems 
                        Jauny, Debdas Ghosh, Q. H. Ansari, Matthias Ehrgott, A. Upadhayay 
                        Computers and Operations Research155 (2023) 106236  

                        

                        • Generalized Hukuhara Global Subdifferentiability in Interval Optimization Problems
                          Anshika, Krishan Kumar, Debdas Ghosh 
                          Fuzzy Optimization, Decision-making and Operations Research: Theory and ApplicationsAccepted Manuscript, 2023 

                         

                        • Cone Method for Uncertain Multiobjective Optimization Problems with Minmax Robustness
                          Ashutosh Upadhayay, Debdas Ghosh, Jauny, Nand Kishor 
                          Combinatorial Optimization Under UncertaintyAccepted Manuscript, 2023 

                         

                        • Quasi-Newton Methods for Multiobjective Optimization Problems: A Systematic Review 
                          K. Kumar, Debdas Ghosh, A. Upadhayay, J.C. Yao, X. Zhao
                          Applied Set-Valued Analysis and Optimization5(2) (2023) 291-321 

                         

                        • Normal and Tangent Cones for Set of Intervals and their Application in Optimization with Functions of Interval Variables
                          Suprova Ghosh, Debdas Ghosh, Anshika 
                          Soft Computing27 (2023) 10737–10758

                         

                          • Newton's Method for Uncertain Multiobjective Optimization Problems Under Finite Uncertainty Set
                            S. Kumar, M. A. T. Ansary, N. K. Mahato, Debdas Ghosh, Y. Shehu
                            Journal of Nonlinear and Variational Analysis7 (5) (2023) 785-809

                             

                            • Subgradient Extragradient with Extrapolation Procedure for Bilevel Split Variational Inequality
                              Lu-Chuan Ceng, Debdas Ghosh, Yekini Shehu, Jen-Chih Yao
                              Journal of Inequalities and Applications2023 (2023) 14  

                             

                             

                               

                               

                               

                               

                               

                               

                               
                               

                               

                               

                               

                               

                               

                                 

                                 

                                 

                                 

                                 

                                  

                                 

                                 

                                 

                                 

                                 

                                 

                                   

                                   

                                   

                                 

                                 

                                 

                                 
                                 

                                 

                                 

                                 

                                 

                                 

                                   

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                 

                                • Fuzzy ideal cone method for capturing the entire fuzzy non-dominated set of a fuzzy multi-criteria optimization problem 
                                  Silver Jubilee Lecture Series, MIU            
                                  Indian Statistical Institute Kolkata           
                                  08-Mar-2018 

                                 

                                • Real Analysis through Analytical Geometry 
                                  Balurghat College Mathematics Camp 2018            
                                  Balurghat College, Dakshin Dinajpur, West Bengal           
                                  28--30-Oct-2018 

                                 

                                • A fuzzy Geometrical Viewpoint to Solve Fuzzy Multiobjective Optimization Problems
                                  Short Term Training Programme on Fuzzy Sets and Applications 2018            
                                  SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu
                                  10-Nov-2018 

                                 

                                • A  Detour of Geometrical and Mathematical Viewpoint of Optimality Conditions
                                  QIP Sponsored STC on Deep Learning: Theory & Practice 2018           
                                  Department of Computer Science and Engineering, IIT (BHU) Varanasi,  
                                  17-Dec-2018 

                                 

                                • Fuzzy and Interval Optimization for Support Vector Machine Problems  
                                  Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 
                                  Shenzhen, China           
                                  10-July-2019 

                                 

                                • A geometrical visit to optimality conditions and duality theory for smooth optimization problems
                                  Department of Mathematics, Dibrugarh University, 
                                  Assam, India           
                                  11-Nov-2019  

                                 

                                • Nonlinear programming
                                  QIP Sponsored STC on Operations Research: Principles and Applications 2020           
                                  Department of Mechanical Engineering, IIT (BHU) Varanasi,  
                                  03-Jan-2020 

                                 

                                • A cone method for capturing the non-dominated set of a fuzzy multi-criteria optimization
                                  Indo-French Seminar on Optimization, Variational Analysis and Applications 2020           
                                  Department of Mathematics, Banaras Hindu University, Varanasi,  
                                  04-Feb-2020 

                                 

                                • Unconstrained Optimization Techniques   
                                  FDP on Optimization Techniques & Applications, Sept 21--25, 2020           
                                  Department of Computer Science and Engineering, NIT Andhra Pradesh
                                  24-Sep-2020 

                                 

                                • Nonlinear optimization
                                  FDP on Recent Advances in Control Systems, Oct 17--21, 2020 
                                  Department of Electrical Engineering, MMMUT, Gorakhpur 
                                  20-Oct-2020 

                                 

                                • A modern method of optimization 
                                  STTP on Fractional Order Robust Control System Design (Series I)           
                                  Department of Electrical and Electronics Engineering, Vardhaman College of Engineering, Hyderabad   
                                  31-Oct-2020 

                                 

                                • Interior point methods in continuous optimization 
                                  Lecture Series on Optimization Technique            
                                  Department of Mathematics & Statistics, King Fahd University of Petroleum and Minerals, Saudi Arabia
                                  08-Nov-2020 and 11-Nov-2020

                                   

                                  • Coffee-time with fuzzy geometrical ideas and its application on fuzzy multicriteria optimization problems
                                    International Conference on Applied Mathematics, June 8--9, 2022 
                                    Department of Applied Mathematics with Oceanology and Computer Programming, Vidyasagar University, West Bengal 
                                    09-June-2022 

                                   

                                      • A detour of trust-region methods in optimization 
                                        International workshop on Optimization Techniques in Industrial and Engineering Applications
                                        Department of Mathematics, VIT AP 
                                        07-Jan-2023 

                                       

                                          • A nonmonote quasi-Newton method for solving set optimization problems 
                                            International Conference on Variational Analysis and Optimization with Applications 
                                            Department of Mathematics, Aligarh Muslim University 
                                            24-Sep-2023 

                                           

                                          • Coffee-time with Lagrange multipliers for constrained optimization 
                                            School of Mathematics and Information Science, Hebei University, China 
                                            25-April-2024 

                                           

                                              • Quasi-Newton Method for Set Optimization Problems with Nonmonotone Line Search
                                                International Conference on Multiobjective Optimization and Applications 2024  
                                                School of Information and Mathematics, Yangtze University, China 
                                                27-April-2024 

                                               

                                                    • Generalized Hukuhara Weak Subdifferential and Its Application on Nonsmooth Interval Optimization 
                                                      School of Mathematics and Statistics, Chongqing Jiaotong University, China 
                                                      31-May-2024 

                                                     

                                                        • An infeasible interior-point technique to generate the nondominated set for multiobjective optimization problems
                                                          School of Mathematical Sciences, Chongqing Normal University, China 
                                                          05-June-2024 

                                                         

                                                            • Nonlinear conjugate gradient methods for unconstrained set optimization problems whose objective functions have finite cardinality
                                                              International Workshop on Applied Analysis and Optimization 2024, 
                                                              Research Center for Interneural Computing, China Medical University, Taichung, Taiwan  
                                                              29-June-2024

                                                             

                                                                • Conjugate descent method for set optimization problems 
                                                                  Beijing Institute of Technology, China
                                                                  06-December-2024 

                                                                 

                                                                    • Quasi-Newton method for set optimization problems 
                                                                      College of Mathematics and Information Sciences, Hebei University, China 
                                                                      12-December-2024 

                                                                     

                                                                        • Infeasible interior-point method for solving multi-objective optimization problems 
                                                                          Chongqing Technology and Business University, China 
                                                                          14-December-2024 

                                                                         

                                                                            • PRP, DY and FR conjugate gradient methods for set-valued optimization problems 
                                                                              School of Mathematical Sciences, Chongqing Normal University, China 
                                                                              18-December-2024 

                                                                             

                                                                                • Conjugate gradient techniques for unconstrained set optimization problems 
                                                                                  Chongqing Operations Research Society Conference 2024, Chongqing Jiaotong University, China 
                                                                                  23-December-2024 

                                                                                 

                                                                                    • Nonlinear conjugate gradient methods for unconstrained set optimization problems whose objective functions have finite cardinality
                                                                                      3rd One Week International Workshop on Recent Trends in Optimization Techniques for Challenging Engineering Applications 
                                                                                      VIT University, Amaravati, India 
                                                                                      25-January-2025

                                                                                     

                                                                                        • On infeasible interior-point technique for multiobjective optimization problems
                                                                                          International Workshop on Applied Analysis and Optimization 2025 
                                                                                          Research Center for Interneural Computing, China Medical University, Taiwan  
                                                                                          13-February-2025

                                                                                         

                                                                                         

                                                                                         

                                                                                         

                                                                                         

                                                                                         

                                                                                        • Institute: National Sun Yat-Sen University, Taiwan  
                                                                                          Period: 03 October to 27 October 2022 (Visiting Professor)

                                                                                         

                                                                                        • Institute: National Sun Yat-Sen University, Taiwan  
                                                                                          Period: 18 October to 15 November 2023 (Visiting Professor)

                                                                                         

                                                                                        • Institute: Hebei University, China   
                                                                                          Period: 24 April to 30 April 2024 (Visiting Professor) 

                                                                                         

                                                                                        • Institute: Chongqing Normal University, China   
                                                                                          Period: 30 May to 15 June 2024 (Visiting Professor)  

                                                                                         

                                                                                        • Institute: National Sun Yat-Sen University, Taiwan  
                                                                                          Period: 21 June to 5 July 2024 (Visiting Professor)

                                                                                         

                                                                                        • Institute: China Medical University, Taiwan  
                                                                                          Period: 31 August to 11 September 2024 (Visiting Professor)

                                                                                         

                                                                                        • Institute: Hebei University and Chongqing Jiaotong University, China   
                                                                                          Period: 08 to 24 December 2024 (Visiting Professor) 

                                                                                         

                                                                                        • Institute: China Medical University, Taiwan  
                                                                                          Period: 09 to 14 February 2025 (Visiting Professor)

                                                                                         

                                                                                         

                                                                                         

                                                                                         

                                                                                         

                                                                                         

                                                                                             Guest editor of 

                                                                                        • Optimization, Taylor and Francis 
                                                                                        • Journal of Nonlinear and Convex Analysis, Yokohama publisher, Japan 
                                                                                        • Applied Analysis and Optimization, Yokohama publisher, Japan 

                                                                                         

                                                                                             Editorial board member of 

                                                                                        • Annals of Mathematical Sciences and Applications, International Press of Boston
                                                                                        • Journal of Mathematics, Wiley