Nguyễn Đông Yên

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1. 1. Nguyễn Thị Vân Hằng, Felipe Lara, Nguyễn Đông Yên, Discontinuous strongly quasiconvex functions, Journal of Optimization Theory and Applications 210 (2026), Paper No. 40, 18 pp (2026)
2. 2. Yongdo Lim, Hoàng Ngọc Tuấn, Nguyễn Đông Yên, DC algorithms in Hilbert spaces and the solution of indefinite infinite-dimensional quadratic programs, Journal of Global Optimization, Volume 95, pages 193–209 (2026) (2026)
3. 3. Samir Adly, Nguyễn Năng Thiều, Nguyễn Đông Yên, Noncoercive convex sweeping processes with velocity constraints, Optimization, 75, 2026, 793-812 (2026)
4. 4. Nguyễn Đông Yên, Dương Thị Việt An, Vũ Thị Hướng, Nguyễn Ngọc Luân, On Differential Stability of a Class of Convex Optimization Problems, Journal of Optimization Theory and Applications 208, 41 (2026) (2026)
5. 5. Vo Si Trong Long, Nguyễn Mậu Nam, Jacob Sharkansky, Nguyễn Đông Yên, Qualitative properties of k-center problems, Journal of Optimization Theory and Applications Vol. 207 (2025), Paper 1, 23 pages (2025)
6. 6. Massimo Pappalardo, Nguyễn Năng Thiều, Nguyễn Đông Yên, Solving indefinite quadratic programs by dynamical systems: Preliminary investigations, Journal of Nonlinear and Variational Analysis, 9 (2025), No. 4, pp. 499-522 (2025)
7. 7. Nguyễn Mậu Nam, Nguyễn Năng Thiều, Nguyễn Đông Yên, Near Convexity and Generalized Differentiation, Journal of Convex Analysis, 32 (2025), No. 2, 605--630 (2025)
8. 8. Trần Hùng Cường, Ching-Feng Wen, Jen-Chih Yao, Nguyễn Đông Yên, Local solutions of the multi-source Weber problem, Optimization Vol. 74 ( 2025), No. 8, 1899-1913 (2025)
9. 9. Vũ Thị Hướng, Hong-Kun Xu, Nguyễn Đông Yên, Stability analysis of split equality and split feasibility problems, Journal of Global Optimization 92, 411 — 429 (2025) (2025)
10. 10. Vũ Thị Hướng, Dương Thị Kim Huyền, Nguyễn Đông Yên, Generalized Polyhedral DC Optimization Problems, Journal of Optimization Theory and Applications 207, 11 (2025) (2025)
11. 11. Nguyễn Ngọc Luân, Nguyễn Mậu Nam, Nguyễn Đông Yên, Properties of generalized polyhedral convex multifunctions, Optimization Vol. 74 ( 2025), No. 8, 1763-1791 (2025)
12. 12. Nguyễn Quang Huy, Hoàng Ngọc Tuấn, Nguyễn Đông Yên, A generalization of Hoffman's lemma in Banach spaces and applications, Applied Mathematics and Optimization 91 (2025), paper No. 40 (2025)
13. 13. Nguyễn Mậu Nam, Gary Sandine, Nguyễn Năng Thiều, Nguyễn Đông Yên, A Notion of Fenchel Conjugate for Set-Valued Mappings, Journal of Optimization Theory and Applications, Volume 203, pages 1263–1292, (2024) (2024)
14. 14. Dương Thị Kim Huyền, Nguyễn Đông Yên, Some Qualitative Properties of Matrix Two-Person Games, Minimax Theory and its Applications 09 (2024), No. 2, 287--304. (2024)
15. 15. Nguyễn Năng Tâm, Nguyễn Đông Yên, Ravines of quadratic functions, Journal of Applied and Numerical Optimization, Volume 6, Issue 2, 1 August 2024, Pages 203-209. (2024)
16. 16. Dương Thị Kim Huyền, Jen-Chih Yao, Nguyễn Đông Yên, Characteristic sets and characteristic numbers of matrix two-person games, Journal of Global Optimization, Volume 90, pages 217–241, (2024) (2024)
17. 17. Yongdo Lim, Hoàng Ngọc Tuấn, Nguyễn Đông Yên, Local Error Bounds for Affine Variational Inequalities on Hilbert Spaces, Numerical Functional Analysis and Optimization Volume 45, 2024, Pages 1-15 (2024)
18. 18. Trần Hùng Cường, Yongdo Lim, Nguyễn Đông Yên, On a solution method in indefinite quadratic programming under linear constraints, Optimization, Volume 73, 2024 - Issue 4, Pages 1087-1112 (2024)
19. 19. Vũ Thị Hướng, C. Yalcin Kaya, Nguyễn Đông Yên, Solution to an open question about optimal economic growth models, Applicable Analysis, 103 (2024), 1215–1223 (2024)
20. 20. Dương Thị Kim Huyền, Do Sang Kim, Nguyễn Đông Yên, Optimality conditions for nondifferentiable minimax programs and vector optimization problems, Journal of Optimization Theory and Applications 200 (2024), No. 2, 703-723. (2024)
21. 21. Nguyễn Ngọc Luân, Nguyễn Mậu Nam, Nguyễn Năng Thiều, Nguyễn Đông Yên, Relationships between polyhedral convex sets and generalized polyhedral convex sets, Journal of Optimization Theory and Applications, 199 (2023), 766-786 (2023)
22. 22. Samir Adly, Nguyễn Năng Thiều, Nguyễn Đông Yên, Convex and Nonconvex Sweeping Processes with Velocity Constraints: Well-Posedness and Insights, Applied Mathematics & Optimization volume 88, Article number: 45 (2023) (2023)
23. 23. Dương Thị Việt An, Hong-Kun Xu, Nguyễn Đông Yên, Fréchet second-order subdifferentials of the Lagrangian function and optimality conditions, SIAM Journal on Optimization 33 (2023), No. 2, 766-784 (2023)
24. 24. Trần Hùng Cường, Nguyễn Văn Thiện, Jen-Chih Yao, Nguyễn Đông Yên, Global solutions of the multi-source Weber problem, Journal of Nonlinear and Convex Analysis 24 (2023), No.4, 669-680 (2023)
25. 25. Nguyễn Thị Thu Hương, Ching-Feng Wen, Nguyễn Đông Yên, Proper efficiency in linear fractional vector optimization via Benson's characterization, Optimization: A, Journal of Mathematical Programming and Operations Research, 72 (2023), Pages 263-276 (2023)
26. 26. Nguyễn Ngọc Luân, Do Sang Kim, Nguyễn Đông Yên, Two optimal value functions in parametric conic linear programming, Journal of Optimization Theory and Applications 193 (2022), 574-597 (2022)
27. 27. Dương Thị Kim Huyền, Jen-Chih Yao, Nguyễn Đông Yên, The stationary point set map in general parametric optimization problems, Set-Valued and Variational Analysis 30 (2022), no. 1, 305-327 (2022)
28. 28. Nguyễn Thị Thu Hương, Nguyễn Đông Yên, A new class of vector optimization problems with linear fractional objective criteria,, Journal of Applied and Numerical Optimization 4 (2022), no. 1, 53-65 (2022)
29. 29. Nguyễn Thị Thu Hương, Nguyễn Đông Yên, Improperly efficient solutions in a class of vector optimization problems, Journal of Global Optimization 82 (2022), no. 2, 375-387 (2022)
30. 30. Nguyễn Khoa Sơn, Nguyễn Năng Thiều, Nguyễn Đông Yên, On the solution existence for prox-regular perturbed sweeping processes, Journal of Nonlinear and Variational Analysis 5 (2021), no. 6, 851-863. (2021)
31. 31. Vũ Thị Hướng, Jen-Chih Yao, Nguyễn Đông Yên, Analyzing a maximum principle for finite horizon state constrained problems via parametric examples. Part 2: Problems with bilateral state constraints, Numerical Functional Analysis and Optimization, 42 (2021) 1334-1366. (2021)
32. 32. Nguyễn Thị Thu Hương, Jen-Chih Yao, Nguyễn Đông Yên, New results on proper efficiency for a class of vector optimization problems, Applicable Analysis 100 (2021), No. 15, 3199-3211, (2021)
33. 33. Dương Thị Việt An, Nguyễn Đông Yên, Optimality conditions based on the Fréchet second-order subdifferential, Journal of Global Optimization 81 (2021), 351-365, (2021)
34. 34. Nguyễn Năng Tâm, Ching-Feng Wen, Jen-Chih Yao, Nguyễn Đông Yên, Structural convexity and ravines of quadratic functions, Journal of Applied and Numerical Optimization, 3 (2021), No. 2, pp. 425-434, (2021)
35. 35. Vũ Thị Hướng, Jen-Chih Yao, Nguyễn Đông Yên, Optimal Economic Growth Models with Nonlinear Utility Functions, Journal of Optimization Theory and Applications, 188 (2021), 571–596, (2021)
36. 36. Trần Hùng Cường, Jen-Chih Yao, Nguyễn Đông Yên, Qualitative properties of the minimum sum-of-squares clustering problem, Optimization 69 (2020), no. 9, 2131-2154 (2020)
37. 37. Nguyễn Thị Thu Hương, Jen-Chih Yao, Nguyễn Đông Yên, Geoffrion’s proper efficiency in linear fractional vector optimization with unbounded constraint sets, Journal of Global Optimization 78 (2020), No. 3, 545-562 (2020)
38. 38. Vũ Thị Hướng, Jen-Chih Yao, Nguyễn Đông Yên, Optimal Processes in a Parametric Optimal Economic Growth Model, Taiwanese Journal of Mathematics, 24 (2020), 1283-1306 (2020)
39. 39. Trần Hùng Cường, Jen-Chih Yao, Nguyễn Đông Yên, On some incremental algorithms for the minimum sum-of-squares clustering problem. Part 2: Incremental DC algorithms, Journal of Nonlinear and Convex Analysis 21 (2020), 1109-1135 (2020)
40. 40. Nguyễn Ngọc Luân, Nguyễn Đông Yên, A representation of generalized convex polyhedra and applications, Optimization 69 (2020), No. 3, pp. 471-492 (2020)
41. 41. Dương Thị Việt An, Jen-Chih Yao, Nguyễn Đông Yên, Differential Stability of a Class of Convex Optimal Control Problems, Applied Mathematics & Optimization 81 (No. 1) (2020), pp. 1-22 (2020)
42. 42. Vũ Thị Hướng, Jen-Chih Yao, Nguyễn Đông Yên, Analyzing a maximum principle for finite horizon state constrained problems via parametric examples. Part 1: Problems with unilateral state constraints, Journal of Nonlinear and Convex Analysis 21 (2020), 157-182 (2020)
43. 43. Nguyễn Huy Chiêu, Jen-Chih Yao, Nguyễn Đông Yên, Convexity of sets and functions via second-order subdifferentials, Linear and Nonlinear Analysis, 5 (2019), pp. 183-199. ISSN 2188-8159 (2019)
44. 44. Trần Hùng Cường, Jen-Chih Yao, Nguyễn Đông Yên, On some incremental algorithms for the minimum sum-of-squares clustering problem. Part 1: Ordin and Bagirov's incremental algorithm, Journal of Nonlinear and Convex Analysis, 20 (2019), pp. 1591-1608 (2019)
45. 45. Dương Thị Kim Huyền, Jen-Chih Yao, Nguyễn Đông Yên, Sensitivity analysis of an optimization problem under total perturbations. Part 2: Robinson stability, Journal of Optimization Theory and Applications 180 (2019), 117-139 (2019)
46. 46. Dương Thị Kim Huyền, Jen-Chih Yao, Nguyễn Đông Yên, Sensitivity analysis of an optimization problem under total perturbations. Part 1: Lipschitzian stability, Journal of Optimization Theory and Applications 180 (2019), 91-116 (2019)
47. 47. Vũ Thị Hướng, Jen-Chih Yao, Nguyễn Đông Yên, Differentiability properties of a parametric consumer problem, Journal of Nonlinear and Convex Analysis, 19 (2018), 1217-1245 (2018)
48. 48. Nguyễn Đông Yên, Xiaoqi Yang, Affine variational inequalities on normed spaces, Journal of Optimization Theory and Applications, 178 (2018), 36-55 (2018)
49. 49. Dương Thị Việt An, Nguyễn Đông Yên, Subdifferential stability analysis for convex optimization problems via multiplier sets, Vietnam Journal of Mathematics, 46 (2018), 365-379 (2018)
50. 50. Nguyễn Ngọc Luân, Jen-Chih Yao, Nguyễn Đông Yên, On Some Generalized Polyhedral Convex Constructions, Numerical Functional Analysis and Optimization 39 (2018), 537-570 (2018)
51. 51. Vũ Thị Hướng, Jen-Chih Yao, Nguyễn Đông Yên, On the Stability and Solution Sensitivity of a Consumer Problem, Journal of Optimization Theory and Applications, 175 (2017), 567--589 (2017)
52. 52. Nguyễn Thị Thu Hương, Jen-Chih Yao, Nguyễn Đông Yên, Connectedness structure of the solution sets of vector variational inequalities, Optimization, 66 (2017), 889-901 (2017)
53. 53. Phạm Đức Khánh, Jen-Chih Yao, Nguyễn Đông Yên, The Mordukhovich subdifferentials and directions of descent, Journal of Optimization Theory and Applications, 172 (2017),518--534 (2017)
54. 54. Bùi Ngọc Mười, Nguyễn Đông Yên, Local stability and local convergence of the basic trust-region method, Journal of Optimization Theory and Applications, 72 (2017), 578-593 (2017)
55. 55. Nguyễn Thị Vân Hằng, Nguyễn Đông Yên, On the Problem of Minimizing a Difference of Polyhedral Convex Functions Under Linear Constraints, Journal of Optimization Theory and Applications, 171 (2016), 617–642 (2016)
56. 56. Nguyễn Đông Yên, An Introduction to Vector Variational Inequalities and Some New Results, Acta Mathematica Vietnamica, 41 (2016), 505–529 (2016)
57. 57. Nguyễn Thị Thu Hương, Jen-Chih Yao, Nguyễn Đông Yên, Polynomial vector variational inequalities under polynomial constraints and applications, SIAM Journal on Optimization 26 (2016), 1060–1071 (2016)
58. 58. Nguyễn Thị Vinh, Dosang Kim, Nguyễn Năng Tâm, Nguyễn Đông Yên, Duality gap function in infinite dimensional linear programming, Journal of Mathematical Analysis and Applications, 437 (2016), 1–15 (2016)
59. 59. Nguyễn Thái An, Nguyễn Mậu Nam, Nguyễn Đông Yên, A D.C. Algorithm via Convex Analysis Approach for Solving a Location Problem Involving Sets, Journal of Convex Analysis 23 (2016), 77-101 (2016)
60. 60. Dương Thị Kim Huyền, Nguyễn Đông Yên, Coderivatives and the solution map of a linear constraint system, SIAM Journal on Optimization 26(2016), 986–1007 (2016)
61. 61. Nguyễn Thị Thu Hương, Nguyễn Đông Yên, The Adaptive Parameter Control Method and Linear Vector Optimization, Vietnam Journal of Mathematics, 43(2015), 471 -486 (2015)
62. 62. Dương Thị Việt An, Nguyễn Đông Yên, Differential stability of convex optimization problems under inclusion constraints., Applicable Analysis 94 (2015), 108 - 128 (2015)
63. 63. Nguyễn Thị Vân Hằng, Nguyễn Đông Yên, Optimality conditions and stability analysis via the Mordukhovich subdifferential, Numerical Functional Analysis and Optimization, 36 (2015), 364 - 386 (2015)
64. 64. Nguyễn Thị Thu Hương, Nguyễn Đông Yên, The Pascoletti-Serafini scalarization scheme and linear vector optimization, Journal of Optimization Theory and Applications 162 (2014), 559–576 (2014)
65. 65. Nguyen Thanh Qui, Nguyễn Đông Yên, A class of linear generalized equations., SIAM Journal on Optimization 24 (2014), 210–231 (2014)
66. 66. Gue Myung Lee, Nguyễn Đông Yên, Coderivatives of a Karush-Kuhn-Tucker point set map and applications, Nonlinear Analysis: Theory, Methods & Applications 95 (2014), 191–201 (2014)
67. 67. Nguyễn Thị Thu Hương, Phạm Đức Khánh, Nguyễn Đông Yên, Multivalued Tikhonov trajectories of general affine variational inequalities, Journal of Optimization Theory and Applications, 158 (2013), 85 - 96 (2013)
68. 68. Hoàng Ngọc Tuấn, Nguyễn Đông Yên, Convergence of Pham Dinh-Le Thi's algorithm for the trust-region subproblem, Journal of Global Optimization, 55 (2013), 337 – 347 (2013)
69. 69. Nguyễn Đông Yên, Linear fractional and Convex quadratic vector optimization problems, Recent Developments in Vector Optimization Chapter, Springer, INBN: 978-3-642-21113-3, 297 -- 328. (2012)
70. 70. Pham Dinh Tao, Shashi Kant Mishra, Nguyễn Đông Yên, Preface [Special Issue: International Conference on Optimization and Its Applications (ICOIA-BHU-2010)]. Held at Banaras Hindu University, Varanasi, February 16–18, 2010., Optimization Letters 6 (2012), 219–220 (2012)
71. 71. Do Sang Kim, Nguyễn Năng Tâm, Nguyễn Đông Yên, Solution existence and stability of quadratically constrained convex quadratic programs, Optimization Letters 6 (2012), no. 2, 363–373 (2012)
72. 72. Nguyễn Văn Tuyên, Nguyễn Đông Yên, On the concept of generalized order optimality, Nonlinear Analysis, 75 (2012), 1592 -- 1601 (2012)
73. 73. Le Thi Hoai An, Pham Dinh Tao, Nguyễn Đông Yên, Behavior of DCA sequences for solving the trust-region subproblem, Journal of Global Optimization, 53 (2012), 317 -- 329 (2012)
74. 74. Gue Myung Lee, Nguyễn Năng Tâm, Nguyễn Đông Yên, Stability of linear-quadratic minimization over Euclidean balls, SIAM Journal of Optimization, 22 (2012), 936 -- 952 (2012)
75. 75. Nguyễn Thị Thu Hương, Tran Ninh Hoa, Tạ Duy Phượng, Nguyễn Đông Yên, A property of bicriteria affine vector variational inequalities, Applicable Analysis, 91 (2012), 867 – 1879 (2012)
76. 76. Nguyễn Đông Yên, Jen-Chih Yao, Monotone affine vector variational inequalities, Optimization 60 (2011), 53 - 68 (2011)
77. 77. Gue Myung Lee, Nguyễn Đông Yên, Fr\'echet and normal coderivatives of implicit multifunctions, Applicable Analysis 90 (2011), 1011 - 1027 (2011)
78. 78. Nguyễn Quang Huy, Nguyễn Đông Yên, Minimax variational inequalities, Acta Mathematica Vietnamica 36 (2011), 265 -- 281 (2011)
79. 79. Nguyễn Huy Chiêu, Thai Doan Chuong, Jen-Chih Yao, Nguyễn Đông Yên, Characterizing convexity of a function by its Fr\ echet and limiting second-order subdifferentials, Set-Valued and Variational Analysis 19 (2011), 75 - 96 (2011)
80. 80. Le Thi Hoai An, Pham Dinh Tao, Nguyễn Đông Yên, Properties of two DC algorithms in quadratic programming, Journal of Global Optimization 49 (2011), 481 - 495 (2011)
81. 81. Nguyen Thanh Qui, Nguyễn Đông Yên, Some properties of polyhedral multifunctions, Journal of Nonlinear and Convex Analysis, 12 (2011), 483 -- 499 (2011)
82. 82. Jen-Chih Yao, Nguyễn Đông Yên, Parametric variational system with a smooth-boundary constraint set, In: Variational Analysis and Generalized Differentiation in Optimization and Control Eds.), Springer Verlag 47 (2010), 205 - 221. (2010)
83. 83. Thai Doan Chuong, Jen-Chih Yao, Nguyễn Đông Yên, Further results on the lower semicontinuity of efficient point multifunctions, Pacific Journal of Optimization, 6 (2010), 405 -- 422 (2010)
84. 84. Nguyễn Huy Chiêu, Jen-Chih Yao, Nguyễn Đông Yên, Relationships between Robinson metric regularity and Lipschitz-like behavior of implicit multifunctions, Nonlinear Analysis: Theory, Methods & Applications 72 (2010), 3594 -- 3601 (2010)
85. 85. X. Q. Yang, Nguyễn Đông Yên, Structure and weak sharp minimum of the Pareto solution set for piecewise linear multiobjective optimization, Journal of Optimization Theory and Applications, 147 (2010), 113 -- 124 (2010)
86. 86. Nguyễn Đông Yên, Jen-Chih Yao, Point-based sufficient conditions for metric regularity of implicit multifunctions, Nonlinear Analysis: Theory, Methods & Applications, 70 (2009), 2806-2815 (2009)
87. 87. Jen-Chih Yao, Nguyễn Đông Yên, Coderivative calculation related to a parametric affine variational inequality, Part 2: Applications, Pacific Journal of Optimization, 5 (2009), 493-506 (2009)
88. 88. Jen-Chih Yao, Nguyễn Đông Yên, Coderivative calculation related to a parametric affine variational inequality, Part 1: Basic calculations, Acta Mathematica Vietnamica, 34 (2009), 157-172 (2009)
89. 89. Boris S. Mordukhovich, Nguyễn Mậu Nam, Nguyễn Đông Yên, Subgradients of marginal functions in parametric mathematical programming, Mathematical Programming, 116 (2009), 369-396, (2009)
90. 90. Nguyễn Đông Yên, Parametric optimization problems and parametric variational inequalities, Vietnam Journal of Mathematics, 37 (2009), 191-223 (2009)
91. 91. Gue Myung Lee, Nguyễn Năng Tâm, Nguyễn Đông Yên, Stability of a class of quadratic programs with a conic constraint, Taiwanese Journal of Mathematics, 13 (2009), 1823 -- 1836 (2009)
92. 92. Bùi Trọng Kiên, Jen-Chih Yao, Nguyễn Đông Yên, On the solution existence of pseudomonotone variational inequalities, Journal of Global Optimization, 41 (2008), 135-145 (2008)
93. 93. Nguyễn Năng Tâm, Jen-Chih Yao, Nguyễn Đông Yên, Solution methods for pseudomonotone variational inequalities, Journal of Optimization Theory and Applications, 138 (2008), 253-273 (2008)
94. 94. Gue Myung Lee, Nguyễn Năng Tâm, Nguyễn Đông Yên, Normal coderivative for multifunctions and implicit function theorems, Journal of Mathematical Analysis and Applications, 338 (2008), 11-22 (2008)
95. 95. Nguyễn Đông Yên, Jen-Chih Yao, Bùi Trọng Kiên, Covering properties at positive-order rates of multifunctions and some related topics, Journal of Mathematical Analysis and Applications, 338 (2008), 467-478 (2008)
96. 96. Nguyễn Đông Yên, Jen-Chih Yao, Vertical tangent vectors to the graph of a multifunction, Taiwanese Journal of Mathematics, 12 (2008), 1293-1302. (2008)
97. 97. Nguyễn Mậu Nam, Nguyễn Đông Yên, Relationships between approximate Jacobians and coderivatives, Journal of nonlinear and convex analysis, 8 (2007), 121-133. (2007)
98. 98. Gue Myung Lee, Nguyễn Năng Tâm, Nguyễn Đông Yên, Continuity of the solution map in parametric affine variational inequalities, Set-Valued Analysis, 15 (2007), 105 - 123 (2007)
99. 99. Tran Ninh Hoa, Nguyễn Quang Huy, Tạ Duy Phượng, Nguyễn Đông Yên, Unbounded components in the solution sets of strictly quasiconcave vector maximization problems, Journal of Global Optimization, 37 (2007), 1 - 10 (2007)
100. 100. Boris S. Mordukhovich, Nguyễn Mậu Nam, Nguyễn Đông Yên, Frechet subdifferential calculus and optimality conditions in nondifferentiable programming, Optimization 55 (2006), 685 - 708 (2006)
101. 101. Gue Myung Lee, Nguyễn Năng Tâm, Nguyễn Đông Yên, Continuity of the solution map in quadratic programs under linear perturbations, Journal of Optimization Theory and Applications, 129 (2006), 415 - 423 (2006)
102. 102. Gue Myung Lee, Nguyễn Năng Tâm, Nguyễn Đông Yên, Lower semicontinuity of the KKT point set in quadratic programs under linear perturbations, Vietnam Journal of Mathematics, 34 (2006), 411 - 422. (2006)
103. 103. Tran Ninh Hoa, Tạ Duy Phượng, Nguyễn Đông Yên, Bicriteria strictly quasiconcave maximization on noncompact sets, Nonlinear Anal. Forum 10 (2005), 137 - 144. (2005)
104. 104. Gue Myung Lee, Nguyễn Năng Tâm, Nguyễn Đông Yên, On the optimal value function of a linearly perturbed quadratic program, Journal of Global Optimization, 32 (2005), N0 1, 119 - 134. (2005)
105. 105. Tran Ninh Hoa, Tạ Duy Phượng, Nguyễn Đông Yên, Linear fractional vector optimization problems with many components in the solution sets, Journal of Industrial & Management Optimization, 1 (2005), 477 - 486. (2005)
106. 106. Tran Ninh Hoa, Tạ Duy Phượng, Nguyễn Đông Yên, On the parametric affine variational inequality approach to linear fractional vector optimization problems, Vietnam Journal of Mathematics, 33 (2005), 477 - 489 (2005)
107. 107. Gue Myung Lee, Nguyễn Năng Tâm, Nguyễn Đông Yên, Quadratic programming and affine variational inequalities: a qualitative study, , Series ``Nonconvex Optimization and its Applications", Vol. 78, XIV + 345 p., Springer Verlag, 2005. (2005)
108. 108. Nguyễn Quang Huy, Nguyễn Đông Yên, Contractibility of the solution sets in strictly quasiconcave vector maximization on noncompact domains, Journal of Optimization Theory and Applications, 124 (2005), 615 - 635 (2005)
109. 109. Nguyễn Quang Huy, Nguyễn Đông Yên, Remarks on a conjecture of J. Benoist, Nonlinear Anal. Forum 9 (2004), 109 - 117. (2004)
110. 110. V. Jeyakumar, Nguyễn Đông Yên, Solution stability of nonsmooth continuous systems with applications to cone-constrained optimization, SIAM Journal on Optimization, 14 (2004), 1106 - 1127 (2004)
111. 111. Gue Myung Lee, Nguyễn Năng Tâm, Nguyễn Đông Yên, Some recent results on quadratic programs and affine variational inequality problems under linear perturbations, In: Fixed point theory and applications, Vol. 5, (Y. J. Cho, J. K. Kim and S. M. Kang, Eds.), Nova Sci. Publ., NY, 2004, 59 - 77. (2004)
112. 112. Nguyễn Đông Yên, On a problem of B. Ricceri on variational inequalities, In: Fixed point theory and applications, Vol. 5 (Y. J. Cho, J. K. Kim and S. M. Kang, Eds.), Nova Sci. Publ., NY, 2004, 163 - 173. (2004)
113. 113. Nguyễn Quang Huy, Tạ Duy Phượng, Nguyễn Đông Yên, On the contractibility of the efficient and weakly efficient sets in $R^2$, . In: Equilibrium problems and variational models (Erice, 2000), 265 - 279, Nonconvex Optim. Appl. 68, Kluwer Acad. Publ., Norwell, MA, 2003. (2003)
114. 114. Nguyễn Đông Yên, Nguyen Xuan Hung, A criterion for the compactness of the solution set of a linear complementarity problem, In: Fixed point theory and applications, Vol. 2 (Y. J. Cho, J. K. Kim and S. M. Kang, Eds.), Nova Sci. Publ., NY, 2001, 135 - 141. (2001)
115. 115. Nguyễn Đông Yên, Bui Trong Kim, Linear operators satisfying the assumptions of some generalized Lax-Milgram theorems, Acta Mathematica Vietnamica, 26 (2001), N0 3, 407 - 417 (2001)
116. 116. Gue Myung Lee, Nguyễn Đông Yên, A result on vector variational inequalities with polyhedral constraint sets, Journal of Optimization Theory and Applications, 109 (2001), 193 - 197. (2001)
117. 117. Nguyễn Đông Yên, Gue Myung Lee, Some remarks on the elliptic regulization method, In: Fixed Point Theory and Applications (Y. J. Cho, Ed.), Nova Science Publishers, New York, 2000, 127 - 134. (2000)
118. 118. Nguyễn Đông Yên, Gue Myung Lee, On monotone and strongly monotone vector variational inequalities, In: Vector Variational Inequalities and Vector Equilibria. Mathematical Theories (F. Giannessi, Ed.), Kluwer Academic Publishers, Dordrecht, 2000, 467 - 478. (2000)
119. 119. Nguyễn Năng Tâm, Nguyễn Đông Yên, Stability of the Karush-Kuhn-Tucker point set in a general quadratic programming problem, Vietnam J. Math. 28 (2000), No 1, 67 - 79. (2000)
120. 120. Nguyễn Đông Yên, Tạ Duy Phượng, Connectedness and stability of the solution set in linear fractional vector optimization problems, "Vector Variational Inequalities and Vector Equilibria. Mathematical Theories", F. Giannessi, Ed., Nonconvex Optim. Appl. 38, Kluwer Academic Publishers, Dordrecht, 2000, 479 - 489. (2000)
121. 121. Nguyễn Năng Tâm, Nguyễn Đông Yên, Continuity properties of the Karush-Kuhn-Tucker point set in quadratic programming problems, Mathematical Programming, 85 (1999), 193 - 206 (1999)
122. 122. Gue Myung Lee, Do Sang Kim, Byung Soo Lee, Nguyễn Đông Yên, On a strongly monotone vector variational inequality, Nonlinear Anal. Forum 3 (1998), 151–176. (1998)
123. 123. Do Sang Kim, Gue Myung Lee, Byung Soo Lee, Nguyễn Đông Yên, Vector variational inequality as a tool for studying vector optimization problems, Nonlinear Analysis: Theory, Methods & Applications 34 (1998), 745 - 765. (1998)
124. 124. Nguyễn Đông Yên, Stability of the solution set of perturbed nonsmooth inequality systems and application, Journal of Optimization Theory and Applications, 93 (1997), 199 - 225. (1997)
125. 125. Phạm Hữu Sách, Nguyễn Đông Yên, Convexity criteria for set-valued maps, Set-Valued Analysis, 5 (1997), 37 - 45. (1997)
126. 126. Nguyễn Đông Yên, Gue Myung Lee, Solution sensitivity of a class of variational inequalities, Journal of Mathematical Analysis and Applications, bf 215 (1997), 48 - 55. (1997)
127. 127. Paolo Cubiotti, Nguyễn Đông Yên, A result related to Ricceri's conjecture on generalized quasi-variational inequalities, Archiv der Mathematik, 69 (1997), 507 - 514 (1997)
128. 128. Werner. Oettli, Nguyễn Đông Yên, Quasicomplementarity problems of R0 type, Journal of Optimization Theory and Applications, 89 (1996), 467 - 474. (1996)
129. 129. Werner. Oettli, Nguyễn Đông Yên, An example of a bad quasicomplementarity problem, Journal of Optimization Theory and Applications, 90 (1996), 213 - 215. (1996)
130. 130. G. Mastroeni, Massimo Pappalardo, Nguyễn Đông Yên, Image of a parametric optimization problem and continuity of the perturbation function, Journal of Optimization Theory and Applications, 81 (1994), 193 - 202. (1995)
131. 131. Nguyễn Đông Yên, On an existence theorem for generalized quasi-variational inequalities, Set-Valued Analysis, 3 (1995), 1 - 10 (1995)
132. 132. Nguyễn Đông Yên, Holder continuity of solutions to a parametric variational inequality, Applied Mathematics and Optimization, 31 (1995), 245 - 255 (1995)
133. 133. Nguyễn Đông Yên, On G-semidifferentiable functions in Euclidean spaces, Journal of Optimization Theory and Applications, 85 (1995), 377 - 392. (1995)
134. 134. Nguyễn Đông Yên, A mean value theorem for semidifferentiable functions, Vietnam Journal of Mathematics, 23 (1995), 221 - 228. (1995)
135. 135. Tạ Duy Phượng, Phạm Hữu Sách, Nguyễn Đông Yên, Strict lower semicontinuity of the level sets and invexity of a locally Lipschitz function, Journal of Optimization Theory and Applications, 87 (1995), 579 - 594. (1995)
136. 136. Werner. Oettli, Nguyễn Đông Yên, Continuity of the solution set of homogeneous equilibrium problems and linear complementarity problems, Variational Inequalities and Network Equilibrium Problems (F. Giannessi and A. Maugeri, Eds.), Plenum Press, New York (1995), 225 - 234. (1995)
137. 137. Nguyễn Đông Yên, Lipschitz continuity of solutions of variational inequalities with a parametric polyhedral constraint, Mathematics of Operations Research, 20 (1995), 695 - 708. (1995)
138. 138. Nguyễn Đông Yên, On a class of discontinuous vector-valued functions and the associated quasi-varia-tional inequalities, Optimization, 30 (1994), 197 - 203. (1994)
139. 139. Phạm Hữu Sách, Nguyễn Đông Yên, On locally Lipschitz vector-valued invex functions, Bulletin of the Australian Mathematical Society, 47 (1993), 259 - 271. (1993)
140. 140. Bruce Desmond Craven, Phạm Hữu Sách, Nguyễn Đông Yên, Tạ Duy Phượng, A new class of invex multi-functions, In: Nonsmooth Optimization: Methods and Applications (F. Gianessi, ed.), Gordon and Breach Science Publishers, 1992, 52 - 69 (1992)
141. 141. Phạm Huy Điển, Nguyễn Đông Yên, On implicit function theorems for set-valued maps and their application to mathematical programming under inclusion constraints, Applied Mathematics and Optimization, 24 (1991), 35 - 54. (1991)
142. 142. Phạm Hồng Quang, Nguyễn Đông Yên, New proof for a theorem of F. Giannessi, Journal of Optimization Theory and Applications, 68 (1991), 385 - 387. (1991)
143. 143. Nguyễn Đông Yên, Phạm Huy Điển, On differential estimations for marginal functions in mathematical programming problems with inclusion constraints, Lecture Notes in Control and Information Sciences, Springer Verlag, Berlin, 143 (1990), 244 - 251. (1990)
144. 144. Nguyễn Đông Yên, Trinh Cong Dieu, On local controllability of nondifferentiable discrete-time systems with nonconvex constraints on controls., Optimization, 20 (1989), 189 - 199. (1989)
145. 145. Nguyễn Đông Yên, Implicit function theorems for set-valued maps, Acta Mathematica Vietnamica, 12 (1987), N$^o$ 2, 17 - 28. (1987)
146. 146. Nguyễn Đông Yên, Local controllability for Lipschitzian discrete-time systems, Acta Mathematica Vietnamica, 11 (1986), N$^o$ 2, 172 - 179. (1986)
147. 147. Phạm Huy Điển, Nguyễn Đông Yên, A remark on the Clarke tangent cone, Acta Mathematica Vietnamica, 10 (1985), N$^o$ 1, 144 - 147. (1985)