Journal papers

41. V.M. Tam, J-S Chen, J-L Chern, and A. Takeda, A fractional-order dynamical approach to vector equilibrium problems with partial order induced by a polyhedral cone, Journal of Nonlinear and Variational Analysis 9(3) (2025), 435-459.

40. V.M. Tam, J.-S. Chen, An inverse problem for a class of quasi-hemivariational inequalities on constant curvature Hadamard manifolds, Journal of Nonlinear and Convex Analysis 25(12) (2024), 2959-2973.

39. V.M. Tam, J.-S. Chen,  On the D-gap functions for variational-hemivariational inequalities with an application to contact mechanics, Pacific Journal of Optimization 20(3) (2024), 489-512.

38. V.M. Tam, J.-S. Chen, Holder continuity and upper bound results for generalized parametric elliptical variational-hemivariational inequalities, Journal of Nonlinear and Variational Analysis 8(2) (2024), 315-332.

37. V.M. Tam, Nonlinear evolution equations via resolvent operators on Hadamard manifolds, Quaestiones Mathematicae, 47(4) (2024),  885-903.

36. V.M. Tam, S. Liao, Existence and upper bound results for a class of nonlinear nonhomogeneous obstacle problems, Indian Journal of Pure and Applied Mathematics 55 (1) (2024), 274-297.

35. V.M. Tam, W. Wu, Caputo fractional differential variational-hemivariational inequalities involving history-dependent operators: global error bounds and convergence, Communications in Nonlinear Science and Numerical Simulation, 128 (2024), 107654 (20p.). 

34. V.M. Tam, X. Huang, Double phase obstacle problems involving set-valued convection: Upper-bound error estimates, Rocky Mountain Journal of Mathematics, 54(2) (2024), 593-610.

33. V.M. Tam, J.-S. Chen, Upper bounds for vector equilibrium problems associated with p-order cone on Hadamard manifolds, Journal of Nonlinear and Convex Analysis, 24(12) (2023), 2593-2609.

32. V.M. Tam, J-S. Chen, Upper error bounds of DG-functions for history-dependent variational-hemivariational inequalities, Applied Set-Valued Analysis and Optimization, 5(3) (2023), 347-367.

31. B. Chen, V.M. Tam, Error bounds for a class of history-dependent variational inequalities controlled by D-gap functions, Hacettepe Journal of Mathematics and Statistics, 52(6) (2023), 1550-1566 

30. V.M. Tam, Stability analysis of a class of fuzzy Caputo fractional differential inclusions driven by fuzzy mixed variational inequalities, Iranian Journal of Fuzzy Systems, 20(3) (2023) 43-59 

29. N.V. Hung, L. Li, S. Migórski, V.M. Tam, Well-posedness and global error bound for generalized mixed quasi-variational-hemivariational inequalities via regularized gap functions, Optimization, (2023), 24p., in press.

28. N.V. Hung, V.M. Tam, D. O'regan, Mixed vector equilibrium-like problems on Hadamard manifolds: Error bound analysis, Applicable Analysis, 102(5) (2023)  1530-1546.

27. N.V. Hung, V.M. Tam, D. O'regan, Error bound analysis for split weak vector mixed quasi-variational inequality problems in fuzzy environment, Applicable Analysis, 102(7) (2023) 1874-1888.

26. V.M. Tam, N.V. Hung, Z. Liu, J.C. Yao, Levitin-Polyak well-posedness by perturbations for the split hemivariational inequality problem on Hadamard manifolds, Journal of Optimization Theory and Applications,  195(2) (2022) 684–706

25. V.M. Tam, Sharp Holder continuous behaviour of solutions to vector network equilibrium problems with a polyhedral ordering cone, Filomat, 36(13) (2022) 4563–4573

24. V.M. Tam, Upper-bound error estimates for double phase obstacle problems with Clarke's subdifferential, Numerical Functional Analysis and Optimization, 43(4) (2022)  463-485

23. V.M. Tam, Dynamical systems for solving variational inclusion and fixed point problems on Hadamard manifolds, Operations Research Letters, 50(1) (2022) 91-98.

22. V.M. Tam, N.V. Hung, D. O'regan, An existence result for a new class of fuzzy fractional differential inclusions with Clarke's subdifferential via resolvent operators in Banach spaces, Fuzzy Sets and Systems, 443 (2022)  221-240

21. N.V. Hung, V. Novo, V.M. Tam, Error bound analysis for vector equilibrium problems with partial order provided by a polyhedral cone, Journal of Global Optimization, 82(1) (2022) 139-159. 

20.  N.V. Hung, V.M. Tam, Error bound analysis of the  D-gap functions for a class of elliptic variational inequalities with applications to frictional contact mechanics, Zeitschrift für Angewandte Mathematik und Physik, 72 (2021) 173 

19. N.V. Hung, V.M. Tam, Z. Liu, J.C. Yao, A novel approach to Holder continuity of a class of parametric variational-hemivariational inequalities, Operations Research Letters, 49 (2021) 283-289.

18. N.V. Hung, V.M. Tam, Existence conditions for a new class of generalized  implicit fuzzy resolvent dynamical systems, Journal of Nonlinear and Convex Analysis, 22(8) (2021) 1521-1540.

17. N.V. Hung, V.M. Tam, Y. Zhou, A new class of strong mixed vector GQVIP-generalized quasi-variational inequality problems in fuzzy environment with regularized gap functions based error bounds, Journal of Computational and Applied Mathematics,  381 (2021) 113055.

16. N.V. Hung, V.M. Tam, T. Nguyen, D. O'regan, Regularized gap functions and error bounds for generalized mixed weak vector quasivariational inequality problems in fuzzy environments, Fuzzy Sets and Systems, 400 (2020) 162-176.

15. N.V. Hung, V.M. Tam, D. O'regan, Y.J. Cho, A new class of generalized multiobjective games in bounded rationality with fuzzy mappings: Structural (λ, ε)-stability and (λ, ε)-robustness to ε-equilibria, Journal of Computational and Applied Mathematics, 372 (2020) 112735.

14. N.V. Hung, V.M. Tam, D. O'regan, Existence of solutions for a new class of fuzzy differential inclusions with resolvent operators in Banach spaces, Computational and Applied Mathematics, 39 (2020) 42.

13. N.V. Hung, M.A. Köbis, V.M. Tam, Existence of solutions to set-valued quasi-variational inclusion problems on Hadamard manifolds and applications, Journal of Nonlinear and Convex Analysis, 21 (2020) 991-1004.

12. N.V. Hung, V.M. Tam, N.H. Tuan, D. O'regan, Convergence analysis of solution sets for fuzzy optimization problems, Journal of Computational and Applied Mathematics, 369 (2020) 112615.

11. N.V. Hung, X. Qin, V.M. Tam, J.C. Yao, Difference gap functions and global error bounds for random mixed equilibrium problems, Filomat, 34 (2020) 2739–2761.

10. N.V. Hung, E. Köbis, V.M. Tam, Existence of solutions and iterative algorithms for weak vector quasi-equilibrium problems, Journal of Nonlinear and Convex Analysis, 21 (2020) 463-478.

9. N.V. Hung, S. Migórski, V.M. Tam, S. Zeng, Gap Functions and Error Bounds for Variational–Hemivariational Inequalities, Acta Applicandae Mathematicae, 169 (2020), 691-709.

8. N.V. Hung, V.M. Tam, D. Baleanu, Regularized gap functions and error bounds for split mixed vector quasivariational inequality problems, Mathematical Methods in the Applied Sciences, 43 (2020) 4614–4626.

7. N.V. Hung, V.M. Tam, A. Pitea, Global error bounds for mixed Quasi-Hemivariational inequality problems on Hadamard manifolds, Optimization, 69 (2020) 2033-2052.

6. N.V. Hung, E. Köbis, V.M. Tam, Existence conditions for set-valued vector quasi-equilibrium problems on Hadamard manifolds with variable domination structure and applications, Journal of Nonlinear and Convex Analysis, 20 (2019) 2597-2612.

5. N.V. Hung, V.M. Tam, J.C. Yao, Existence and convergence theorems for split general random variational inclusions with random fuzzy mappings, Linear and Nonlinear Analysis, 5 (2019) 51-65.

4. N.V. Hung, V.M. Tam, E. Köbis, J.C. Yao, Existence of solutions and algorithm for generalized vector quasi-complementarity problems with application to traffic network problems, Journal of Nonlinear and Convex Analysis, 20 (2019) 1751-1775.

3. L.Q. Anh, T. Bantaojai, N.V. Hung, V.M. Tam, R. Wangkeeree, Painlevé–Kuratowski convergences of the solution sets for generalized vector quasi-equilibrium problems, Computational and Applied Mathematics, 37 (2018) 3832–3845. 

2. L.Q. Anh, N.V. Hung, V.M. Tam, Regularized gap functions and error bounds for generalized mixed strong vector quasiequilibrium problems, Computational and Applied Mathematics, 37 (2018) 5935-5950.

1. N.V. Hung, D.H. Hoang, V.M.Tam, Painlevé-Kuratowski convergences of the approximate solution sets for vector quasiequilibrium problems, Carpathian Journal of Mathematics, 34 (2018) 115-122.