DEPARTMENT.FACULTY
![photo](https://api.amu.ac.in/storage/images/empphoto/10078575-1617687128.jpg)
- DEPARTMENT_STAFF.QUALIFICATION
Ph.D.
- DEPARTMENT_STAFF.DESIGNATION
Professor
- DEPARTMENT_STAFF.THRUST_AREA
Nonlinear Analysis, Variational Inequalities
- DEPARTMENT_STAFF.ADDRESS
Department of Mathematics, Aligarh Muslim University, Aligarh 202002
- DEPARTMENT_STAFF.MOBILE
7078199353
- DEPARTMENT_STAFF.EMAIL
shakaibirfan@gmail.com
- DEPARTMENT_STAFF.TIME_TABLE
Syed Shakaib Irfan has completed his M.Sc., M.Phil. and Ph.D. in Mathematics from Aligarh Muslim University, Aligarh India. His research interests are variational inequality theory and its allied areas. He has completed Research Projects under the Deanship of Scientific Research, Qassim University, Kingdom of Saudi Arabia. Dr. Irfan has published research papers in journals like, Computers and Mathematics with Applications, Applied Mathematics Letters, Bulletin of the Australian Mathematical Society, Journal of Global Optimization, Filomat, Journal of Inequalities and Applications, Journal of Nonlinear Convex Analysis, Mathematics etc.
- Research Paper Publications 2021
I. Ahmad, S. S. Irfan and Abdullah, Nonlinear system of mixed ordered variational inclusions involving XOR operation, Australian J. Math. Anal. Appl., 18 (1), Article 21, (2021).
S. S. Irfan, I. Ahmad, P. Shukla, Z. Khan and M. Islam, Generalized Implicit Vector Equilibrium Problem, Communications on Applied Nonlinear Analysis, 28 (3), 71-82, (2021).
M. Farid, S. S. Irfan and I. Ahmad, Iterative Algorithm of Split Monotone Variational Inclusion Problem for New Mappings, Kragujevac J. Math., 48 (4), 493-514, (2024).
M. Islam and S. S. Irfan, Some aspects of nonsmooth variational inequalities on Hadamard manifolds, Journal of Inequalities and Applications, 198, https://doi.org/10.1186/s13660-021-02733-5 (2021).
- Research Paper Publications 2020
Z. Khan, S. S. Irfan, I. Ahmad and P. Shukla, Composite generalized variational inequalities with Wiener-Hopf equations, Communications in Mathematics & Applications, 11(1), 1-9, (2020).
S. S. Irfan, I. Ahmad, Z. Khan and P. Shukla, Composite variational-like inequalities given by weakly relaxed semi pseudomonotone multi-valued mapping, Australian J. Math. Anal. Appl., 17(1), 1-9, (2020).
Z. Khan, S. S. Irfan, M. F. Khan and P. Shukla, An Iterative Algorithm with Error Terms for Solving a System of Implicit n -Variational Inclusions, Statistics, Optimization & Information Computing, 8, 242-253, (2020).
I. Ahmad, S. S. Irfan, M. Farid and P. Shukla, Nonlinear ordered variational inclusion problem involving XOR operation with fuzzy mappings, Journal of Inequalities and Applications, 36, https://doi.org/10.1186/s13660-020-2308-z (2020).
M. Farid, S. S. Irfan, Iqbal Ahmad and P. Shukla, Existence Results for Generalized Exponential Vector Variational-like Inequalities in Fuzzy Environment, Bulletin of Mathematical Analysis and Applications, 12 (1), 12-28, (2020).
S. S. Irfan, Exponential Type Mixed Vector Variational Inequalities with Fuzzy Mappings, PanAmerican Mathematical Journal, 30 (4), 11-26, (2020).
I. Ahmad, Abdullah and S. S. Irfan, Stability and convergence analysis for a new class of GNOYIP involving XOR operation in ordered positive Hilbert spaces, Filomat, 34 (9), 2877–2895, (2020).
- Research Paper Publications 2019
S. S. Irfan, M. Rahman, I. Ahmad, R. Ahmad and S. Hussain, Generalized nonsmooth exponential-type vector variational-like inequalities and nonsmooth vector optimization problems in Asplund spaces, Mathematics, 7(4), 345, 1-11, (2019).
S. S. Irfan, Generalized Variational-like Inclusion in Fuzzy Environment with zeta-Proximal Operator, in Journal of Mathematical Analysis, 10(3), 89-99, 2019.
- Research Paper Publications 2018
M. Farid, S. S. Irfan and M. F. Khan, Attractive points and the viscosity iterative algorithm for the implicit midpoint rule, in Journal of Mathematical Analysis, 9(2), 134-139, (2018).
R. Ahmad, S. S. Irfan, I. Ahmad and M. Rahman, Co-proximal operators for solving generalized co-variational inclusion problems in q-uniformly smooth Banach spaces in Journal of Nonlinear Convex Analysis, 19 (7), 1093- 1107, (2018).
R. Ahmad, M. Ishtayak and S. S. Irfan, Mixed variational inclusions involving difference of monotone operators in Nonlinear Analysis Forum, 23 (2), 35- 49, (2018).
- Research Paper Publications 2017
S. S. Irfan, M. F. Khan, A. Farajzadeh and A. Shafie, Generalized Variational-like Inclusion Involving Relaxed Monotone Operators, in Advances in Pure and Applied Mathematics, 8 (2), 109 – 121, (2017).
S. S. Irfan, M. F. Khan and Z. I. Al-Muhiameed On Random Variational-like Inclusion Involving Relaxed Monotone Random Operators, in Cogent Mathematics, https://doi.org/10.1080/23311835.2017.1305639 , (2017).
I. Ahmad, S. S. Irfan and R. Ahmad, Generalized Composite Vector Equilibrium Problems in Bulletin of Mathematical Analysis and Applications, 9 (1), 109 – 122, (2017).
S. S. Irfan, M. F. Khan, R. Ahmad and I. Ahmad, Generalized Variational-like Inequalities and use of Relaxed eta- alpha-Monotone Mapping in Journal of Mathematical Analysis, 8 (4), 17-23, (2017).
R. Ahmad, S. S. Irfan, M. Ishtyak, and M. Rahaman, Existence of Solutions for Operator Mixed Vector Equilibrium Problem, in Journal of Inequalities and Special Functions, 8 (5), 66-74, (2017).
M. Farid, S. S. Irfan, M. F. Khan and S. A. Khan, Strong convergence of gradient projection method for generalized equilibrium problem in a Banach space, in Journal of Inequalities and Applications, 297 DOI 10.1186/s13660-017-1574-x, (2017).
- Research Paper Publications 2016
- S. S. Irfan, M. F. Khan and R. U. Verma, On Generalized Fuzzy Variational Inclusion Problem Involving Ordered RME Set-valued Mapping, Advances in Nonlinear Variational Inequalities, 19(2), 41-51, (2016).
S. S. Irfan, M. F. Khan and R. U. Verma, On Generalized Equilibrium Problem, Advances in Nonlinear Variational Inequalities, 19(2), 14-26, (2016).
S. S. Irfan and M. F. Khan, Variational-like Inequalities for Weakly Relaxed eta -alpha Pseudomonotone Set-valued Mappings in Banach Space, International Journal of Analysis, Volume 2016, Article ID 4760839, http://dx.doi.org/10.1155/2016/4760839 (2016).
- Research Paper Publications 2015
S. S. Irfan and R. Ahmad, Existence Results for Extended Vector Variational-like Inequality, Journal of the Egyptian Mathematical Society, 23 (15), 144-148, (2015).
- S. S. Irfan and Z. I. Al-Muhiameed, On Completely Generalized Random Variational Inclusions with Random Fuzzy Mapping?, Advances in Fixed Point Theory, 5(2), 192-207, (2015).
- Research Paper Publications 2014
S. S. Irfan and Z. I. Al-Muhiameed, An Iterative Algorithm for Random Quasi-Variational-Like Inclusions in Banach Spaces, Applied Mathematics Science, 8 (97), 4799-4814, (2014).
- Research Paper Publications 2012
- S. S. Irfan, Three Step Iterative Algorithm for Random Generalized Variational Inclusions with Random Fuzzy Mapping, Indian Journal of Industrial & Applied Mathematics, 3(2), 54-66, (2012).
R. Ahmad and S. S. Irfan, On Completely Generalized Multi-Valued Co-Variational Inequality Involving Strongly Accretive Operators, Filomat, 26(4) 657-663, (2012).
- Research Paper Publications 2010
S. S. Irfan and R. Ahmad, Generalized Multivalued Vector Variational-like Inequalities, Journal of Global Optimization, 46 (1), 25-30, (2010).
- Research Paper Publications 2009
S. S. Irfan, A. Khaliq and T. Ram, Generalized Multi-valued Co-qusi-variational Inequalities for Fuzzy Mappings, South East Asian J. Math. & Math. Sc., 7 (2), 57-64, (2009).
- R. Ahmad and S. S. Irfan, Three Step Iterative Algorithm for Generalized Variational Inclusions, Journal of Natural Science and Mathematics, 3(2) 119- 127, (2009).
- R. Ahmad, F. Usman and S. S. Irfan, Mixed Variational Inclusions and T-resolvent Equations with Fuzzy Mappings, Journal of Fuzzy Mathematics, 17(2) 437- 450, (2009).
A. H. Siddiqi and S. S. Irfan, Algorithm for a New System of Completely Generalized Multi-Valued Variational Inclusions in Modeling of Engineering & Technological Problems, Edited by A. H. Siddiqi, A. K. Gupta and M. Brokate., American Institute of Physics, New York, pp.365- 374, (2009).
A. H. Siddiqi and S. S. Irfan, Completely Generalized Co-complementarity Problems Involving p-Relaxed Accretive Operators with Fuzzy Mappings, in Nonlinear Analysis and Variational Problems, Edited by Pardalos, Rassias & A. Khan, Springer-Verlag, New York, pp. 451-462. (2009).
- Research Paper Publications 2006
- R. Ahmad and S. S. Irfan, Completely Generalized Multivalued Nonlinear Co-quasi-variational-like Inclusions, Computers and Mathematics with Application, 52 (6-7), 1183-1191, (2006).
R. Ahmad and S. S. Irfan, On Generalized Nonlinear Variational-like Inequality Problems, Applied Mathematics Letter, 19(3) 294-297, (2006).
R. Ahmad and S. S. Irfan, On Completely Generalized Nonlinear Random Variational-like Inclusions, Journal of Applied Functional Analysis, 1(3), 293-302, (2006).
- Research Paper Publications 2005
R. Ahmad, Q. H. Ansari and S. S. Irfan, Generalized Variational Inclusions and Generalized Resolvent Equations in Banach Spaces, Computers and Mathematics with Applications, (49) 1825-1835, (2005).
- Research Paper Publications 2004
Salahuddin and S. S. Irfan, Proximal Methods for Generalized Nonlinear Quasi-Variational Inclusions, Mathematical and Computational Applications, 9(2) 165-171, (2004).
R. Ahmad, Salahuddin and S. S. Irfan, An Existence Theorem for General Mixed Multivalued Mildly Nonlinear Variational Inequalities without Convexity, Mathematical and Computational Applications, 9(2) 201-203, (2004).
R. Ahmad, Q. H. Ansari and S. S. Irfan, On Generalized Mixed Co-quasi-variational Inequalities with Noncompact Valued Mappings, Bulletin of the Australian Mathematical Society, 70(1) 7-15, (2004).
- Research Paper Publications 2003
R. Ahmad, Salahuddin and S. S. Irfan, Generalized Quasi-complementarity Problems with Fuzzy Set-valued Mappings, International Journal of Fuzzy Systems, 5(3) 194-199, (2003).
- Research Paper Publications 2002
R. Ahmad, A. Khaliq and S. S. Irfan, Completely Generalized Nonlinear Variational-like Inclusions with Noncompact Set-valued Mappings, Nonlinear Analysis Forum, 7(2) 159-166, (2002).