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)
  • 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

 

 

 

 

    • Optimality conditions for fuzzy optimization problems and its application to classification problems with fuzzy data 
      F Shi, G Ye, W Liu, D Ghosh
      Journal of Computational and Applied Mathematics, 117474, 2026    

     

      • Cubic Regularization Technique of the Newton Method for Vector Optimization 
        Debdas Ghosh 
        Journal of Optimization Theory and Applications, 207 (2025) 39   

       

        • A trust region method for uncertain multiobjective optimization: comparative analysis with existing descent methods 
          Shubham Kumar, Nihar Kumar Mahato, Debdas Ghosh
          Optimization and Engineering, Accepted Manuscript, 2025    

         

          • Nonlinear Conjugate Gradient Methods for Optimization of Set-Valued Maps of Finite Cardinality 
            Debdas Ghosh, Ravi Raushan, Zai-Yun Peng, Jen-Chih Yao
            Journal of Optimization Theory and Applications, 207 (2025) 18   

           

            • A Newton-type Proximal Gradient Method for Uncertain Vector Optimization Problems with Finite Uncertain Scenarios 
              Nand Kishor, Debdas Ghosh, and Xiaopeng Zhao
              Optimization, Accepted Manuscript, 2025 

             

              • A Three-Operator Splitting Scheme Derived from Three-Block ADMM 
                Anshika, Jiaxing Li, Debdas Ghosh, Xiangxiong Zhang
                Optimization and Engineering, Accepted Manuscript, 2025 

               

                • Steepest Descent Method for Multiobjective Optimization Problems of Interval-Valued Maps 
                  Tapas Mondal, Debdas Ghosh 
                  Numerical Algorithms, Accepted Manuscript, 2025 

                 

                  • Characterization of set order relations and set optimization problems via conic scalarization 
                    Madhusudan Das, Debdas Ghosh, Jen-Chih Yao, Xiaopeng Zhao
                    Journal of Global Optimization, Accepted Manuscript, 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  

                           

                          • Quasi-Newton Method for Set Optimization Problems with Set-Valued Mapping Given by Finitely Many Vector-Valued Functions 
                            Debdas Ghosh, Anshika, Jen-Chih Yao, Xiaopeng Zhao
                            Numerical Functional Analysis and OptimizationAccepted Manuscript, 2025 

                            

                          • Two Self-Adaptive Stepsize Relaxed Dual Inertial Subgradient Extragradient Methods for Solving Pseudomonotone Variational Inequalities and Demicontractive Fixed Point Problems 
                            Habib ur Rehman, Debdas Ghosh, Yekini Shehu, Xiaopeng Zhao  
                            Computational and Applied Mathematics274 (2025) 44   

                            

                          • Solving an Uncertain Quadratic Multiobjective Optimization Problem Using Newton’s Descent Method Via a Robust Optimization
                            Shubham Kumar, Nihar Kumar Mahato, Md Abu Talhamainuddin Ansary, Debdas Ghosh 
                            Journal of Applied and Numerical Optimization, 7(2), 2025, 149-177 

                           

                            • Composite Tseng-type extragradient algorithms with adaptive inertial correction strategy for solving bilevel split pseudomonotone VIP under split common fixed-point constraint 
                              Lu-Chuan Ceng, Debdas Ghosh, Habib ur Rehman, Xiaopeng Zhao  
                              Journal of Computational and Applied Mathematics470 (2025) 116683

                             

                              • Experimental results of model predictive control of a coupled tank system using interior-point barrier algorithm 
                                R. Singh, S. Ghosh, D. Ghosh, D. Singh, P. Dworak  
                                International Journal of Systems ScienceAccepted 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 Applications91 (2025) 27-66   

                                 

                                  • 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 

                                   

                                    • Optimal Trajectory Tracking Using Newton and Levenberg-Marquardt-Like Algorithms for Constrained Time-Varying Optimization 
                                      Sunidhi Pandey, Parijat Prasun, Shyam Kamal, Devender Singh, Debdas Ghosh, Sorin Olaru 
                                      Optimal Control Applications and Methods, 46 (2025) 1800-1813 

                                     

                                      • 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  

                                         

                                          • Optimality Conditions and Duality Results for Generalized-Hukuhara Subdifferentiable Preinvex Interval-Valued Vector Optimization Problems 
                                            Zai-Yun Peng, Jian-Yi Peng, Debdas Ghosh, Zhao Yong, Li Dan  
                                            Fuzzy Sets and Systems,  515 (2025) 109416

                                           

                                            • 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 Mathematics44 (2025) 197   

                                             

                                              • Solving Equilibrium and Fixed-Point Problems in Hilbert Spaces: A New Strongly Convergent Inertial Subgradient Extragradient Method 
                                                Habib Rehman, Debdas Ghosh, Chinedu Izuchukwu, Xiaopeng Zhao 
                                                OptimizationAccepted Manuscript, 2025  

                                               

                                              • 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 Theory26(1) (2025) 57-90  

                                               

                                              • 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 Engineering26 (2025) 1069–1111

                                               

                                              • 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 Research33 (2025) 102–132  

                                               

                                              • Steepest Descent Method for Uncertain Multiobjective Optimization Problems Under Finite Uncertainty Set 
                                                Shubham Kumar, Md Abu T Ansary, Nihar Kumar Mahato, Debdas Ghosh
                                                Applicable Analysis104(7) (2025) 1163–1184 

                                               

                                              • 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 Optimization57(5)  (2025) 1392–1421 

                                               

                                              • Generalized Ordered Weighted Aggregation Robustness to Solve Uncertain Single Objective Optimization Problems 
                                                N. Kishor, D. Ghosh, X. Zhao 
                                                Journal of Nonlinear and Convex Analysis26(3) (2025) 623-652 

                                               

                                              • 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 

                                               

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

                                               

                                              • 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 

                                               

                                                 

                                                • 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  

                                                 

                                                   

                                                  • 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  

                                                   

                                                  • 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  

                                                     

                                                       

                                                      • 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 

                                                       

                                                      • Numerical Integrator based on Implicit Euler Discretization of Twisting Control Algorithm
                                                        Bhawana Singh, Xiaogang Xiong, Debdas Ghosh, Shyam Kamal 
                                                        IEEE International Workshop on Variable Structure Systems (VSS),  2024, 46-50

                                                       

                                                        • 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 problem 
                                                              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 ApplicationsSpringer, 135--160, 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

                                                                                                                               

                                                                                                                                  • Infeasible interior point method for multi-objective optimization 
                                                                                                                                    International Workshop on Theory and Applications of Optimization in Machine Learning
                                                                                                                                    VIT-AP, University, Andhra Pradesh 
                                                                                                                                    06-April-2025

                                                                                                                                   

                                                                                                                                      • The technique of cubic regularization of Newton's method in vector optimization 
                                                                                                                                        National Conference on Nonlinear Analysis, Control and Optimization  
                                                                                                                                        Indian Institute of Technology (ISM), Dhanbad 
                                                                                                                                        04-July-2025

                                                                                                                                       

                                                                                                                                          • Cubic Regularization Technique of the Newton Method for Vector Optimization
                                                                                                                                            First International Workshop on Mathematical Optimization: Theory and Applications 
                                                                                                                                            Yunnan Normal University, Kunming, Yunnan, China
                                                                                                                                            17-July-2025

                                                                                                                                           

                                                                                                                                              • Coffee time with the applications of optimization with machine learning 
                                                                                                                                                Amity University, Kolkata 
                                                                                                                                                25-July-2025

                                                                                                                                               

                                                                                                                                                  • Coffee time with Lagrange multipliers for constrained optimization  
                                                                                                                                                    UGC-Sponsored Refresher Course on Mathematical Sciences 
                                                                                                                                                    North Bengal University, Kolkata 
                                                                                                                                                    19-Nov-2025

                                                                                                                                                   

                                                                                                                                                      • A detour on multivariable calculus   
                                                                                                                                                        Problem-Solving Camp 
                                                                                                                                                        North Bengal University, Kolkata 
                                                                                                                                                        6-8 January 2026 

                                                                                                                                                       

                                                                                                                                                          • Artificial Intelligence and Machine Learning: A Mathematical Optimization Perspective 
                                                                                                                                                            VIT University, Andhra Pradesh, FDP on RADS 2026 
                                                                                                                                                            26-January-2026

                                                                                                                                                           

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                              • 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)

                                                                                                                                                               

                                                                                                                                                              • Institute: Yunnan Normal University, China 
                                                                                                                                                                Period: 14 to 20 July 2025 (Invited talks)

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                                    Editor in Chief of 

                                                                                                                                                              • Applicable Nonlinear Analysis, Tulipa Opera Scholarum 

                                                                                                                                                               

                                                                                                                                                                   Editorial board member of 

                                                                                                                                                              • Journal of Optimization Theory and Applications, Springer 
                                                                                                                                                              • Annals of Mathematical Sciences and Applications, International Press of Boston
                                                                                                                                                              • Journal of Mathematics, Wiley 
                                                                                                                                                              • Scientific Reports, Nature 

                                                                                                                                                               

                                                                                                                                                                   Guest editor of 

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