Nguyen Dong Yen

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Scientific CV

Scientific Publications

Publications

1. 1. Nguyen Thi Van Hang, Felipe Lara, Nguyen Dong Yen, Discontinuous strongly quasiconvex functions, Journal of Optimization Theory and Applications 210 (2026), Paper No. 40, 18 pp (2026)
2. 2. Yongdo Lim, Hoang Ngoc Tuan, Nguyen Dong Yen, 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, Nguyen Nang Thieu, Nguyen Dong Yen, Noncoercive convex sweeping processes with velocity constraints, Optimization, 75, 2026, 793-812 (2026)
4. 4. Nguyen Dong Yen, Duong Thi Viet An, Vu Thi Huong, Nguyen Ngoc Luan, 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, Nguyen Mau Nam, Jacob Sharkansky, Nguyen Dong Yen, Qualitative properties of k-center problems, Journal of Optimization Theory and Applications Vol. 207 (2025), Paper 1, 23 pages (2025)
6. 6. Massimo Pappalardo, Nguyen Nang Thieu, Nguyen Dong Yen, 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. Nguyen Mau Nam, Nguyen Nang Thieu, Nguyen Dong Yen, Near Convexity and Generalized Differentiation, Journal of Convex Analysis, 32 (2025), No. 2, 605--630 (2025)
8. 8. Tran Hung Cuong, Ching-Feng Wen, Jen-Chih Yao, Nguyen Dong Yen, Local solutions of the multi-source Weber problem, Optimization Vol. 74 ( 2025), No. 8, 1899-1913 (2025)
9. 9. Vu Thi Huong, Hong-Kun Xu, Nguyen Dong Yen, Stability analysis of split equality and split feasibility problems, Journal of Global Optimization 92, 411 — 429 (2025) (2025)
10. 10. Vu Thi Huong, Duong Thi Kim Huyen, Nguyen Dong Yen, Generalized Polyhedral DC Optimization Problems, Journal of Optimization Theory and Applications 207, 11 (2025) (2025)
11. 11. Nguyen Ngoc Luan, Nguyen Mau Nam, Nguyen Dong Yen, Properties of generalized polyhedral convex multifunctions, Optimization Vol. 74 ( 2025), No. 8, 1763-1791 (2025)
12. 12. Nguyen Quang Huy, Hoang Ngoc Tuan, Nguyen Dong Yen, A generalization of Hoffman's lemma in Banach spaces and applications, Applied Mathematics and Optimization 91 (2025), paper No. 40 (2025)
13. 13. Nguyen Mau Nam, Gary Sandine, Nguyen Nang Thieu, Nguyen Dong Yen, A Notion of Fenchel Conjugate for Set-Valued Mappings, Journal of Optimization Theory and Applications, Volume 203, pages 1263–1292, (2024) (2024)
14. 14. Duong Thi Kim Huyen, Nguyen Dong Yen, Some Qualitative Properties of Matrix Two-Person Games, Minimax Theory and its Applications 09 (2024), No. 2, 287--304. (2024)
15. 15. Nguyen Nang Tam, Nguyen Dong Yen, Ravines of quadratic functions, Journal of Applied and Numerical Optimization, Volume 6, Issue 2, 1 August 2024, Pages 203-209. (2024)
16. 16. Duong Thi Kim Huyen, Jen-Chih Yao, Nguyen Dong Yen, 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, Hoang Ngoc Tuan, Nguyen Dong Yen, Local Error Bounds for Affine Variational Inequalities on Hilbert Spaces, Numerical Functional Analysis and Optimization Volume 45, 2024, Pages 1-15 (2024)
18. 18. Tran Hung Cuong, Yongdo Lim, Nguyen Dong Yen, On a solution method in indefinite quadratic programming under linear constraints, Optimization, Volume 73, 2024 - Issue 4, Pages 1087-1112 (2024)
19. 19. Vu Thi Huong, C. Yalcin Kaya, Nguyen Dong Yen, Solution to an open question about optimal economic growth models, Applicable Analysis, 103 (2024), 1215–1223 (2024)
20. 20. Duong Thi Kim Huyen, Do Sang Kim, Nguyen Dong Yen, 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. Nguyen Ngoc Luan, Nguyen Mau Nam, Nguyen Nang Thieu, Nguyen Dong Yen, 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, Nguyen Nang Thieu, Nguyen Dong Yen, Convex and Nonconvex Sweeping Processes with Velocity Constraints: Well-Posedness and Insights, Applied Mathematics & Optimization volume 88, Article number: 45 (2023) (2023)
23. 23. Duong Thi Viet An, Hong-Kun Xu, Nguyen Dong Yen, Fréchet second-order subdifferentials of the Lagrangian function and optimality conditions, SIAM Journal on Optimization 33 (2023), No. 2, 766-784 (2023)
24. 24. Tran Hung Cuong, Nguyen Van Thien, Jen-Chih Yao, Nguyen Dong Yen, Global solutions of the multi-source Weber problem, Journal of Nonlinear and Convex Analysis 24 (2023), No.4, 669-680 (2023)
25. 25. Nguyen Thi Thu Huong, Ching-Feng Wen, Nguyen Dong Yen, 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. Nguyen Ngoc Luan, Do Sang Kim, Nguyen Dong Yen, Two optimal value functions in parametric conic linear programming, Journal of Optimization Theory and Applications 193 (2022), 574-597 (2022)
27. 27. Duong Thi Kim Huyen, Jen-Chih Yao, Nguyen Dong Yen, The stationary point set map in general parametric optimization problems, Set-Valued and Variational Analysis 30 (2022), no. 1, 305-327 (2022)
28. 28. Nguyen Thi Thu Huong, Nguyen Dong Yen, 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. Nguyen Thi Thu Huong, Nguyen Dong Yen, Improperly efficient solutions in a class of vector optimization problems, Journal of Global Optimization 82 (2022), no. 2, 375-387 (2022)
30. 30. Nguyen Khoa Son, Nguyen Nang Thieu, Nguyen Dong Yen, 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. Vu Thi Huong, Jen-Chih Yao, Nguyen Dong Yen, 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. Nguyen Thi Thu Huong, Jen-Chih Yao, Nguyen Dong Yen, New results on proper efficiency for a class of vector optimization problems, Applicable Analysis 100 (2021), No. 15, 3199-3211, (2021)
33. 33. Duong Thi Viet An, Nguyen Dong Yen, Optimality conditions based on the Fréchet second-order subdifferential, Journal of Global Optimization 81 (2021), 351-365, (2021)
34. 34. Nguyen Nang Tam, Ching-Feng Wen, Jen-Chih Yao, Nguyen Dong Yen, Structural convexity and ravines of quadratic functions, Journal of Applied and Numerical Optimization, 3 (2021), No. 2, pp. 425-434, (2021)
35. 35. Vu Thi Huong, Jen-Chih Yao, Nguyen Dong Yen, Optimal Economic Growth Models with Nonlinear Utility Functions, Journal of Optimization Theory and Applications, 188 (2021), 571–596, (2021)
36. 36. Tran Hung Cuong, Jen-Chih Yao, Nguyen Dong Yen, Qualitative properties of the minimum sum-of-squares clustering problem, Optimization 69 (2020), no. 9, 2131-2154 (2020)
37. 37. Nguyen Thi Thu Huong, Jen-Chih Yao, Nguyen Dong Yen, 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. Vu Thi Huong, Jen-Chih Yao, Nguyen Dong Yen, Optimal Processes in a Parametric Optimal Economic Growth Model, Taiwanese Journal of Mathematics, 24 (2020), 1283-1306 (2020)
39. 39. Tran Hung Cuong, Jen-Chih Yao, Nguyen Dong Yen, 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. Nguyen Ngoc Luan, Nguyen Dong Yen, A representation of generalized convex polyhedra and applications, Optimization 69 (2020), No. 3, pp. 471-492 (2020)
41. 41. Duong Thi Viet An, Jen-Chih Yao, Nguyen Dong Yen, Differential Stability of a Class of Convex Optimal Control Problems, Applied Mathematics & Optimization 81 (No. 1) (2020), pp. 1-22 (2020)
42. 42. Vu Thi Huong, Jen-Chih Yao, Nguyen Dong Yen, 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. Nguyen Huy Chieu, Jen-Chih Yao, Nguyen Dong Yen, Convexity of sets and functions via second-order subdifferentials, Linear and Nonlinear Analysis, 5 (2019), pp. 183-199. ISSN 2188-8159 (2019)
44. 44. Tran Hung Cuong, Jen-Chih Yao, Nguyen Dong Yen, 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. Duong Thi Kim Huyen, Jen-Chih Yao, Nguyen Dong Yen, 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. Duong Thi Kim Huyen, Jen-Chih Yao, Nguyen Dong Yen, 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. Vu Thi Huong, Jen-Chih Yao, Nguyen Dong Yen, Differentiability properties of a parametric consumer problem, Journal of Nonlinear and Convex Analysis, 19 (2018), 1217-1245 (2018)
48. 48. Nguyen Dong Yen, Xiaoqi Yang, Affine variational inequalities on normed spaces, Journal of Optimization Theory and Applications, 178 (2018), 36-55 (2018)
49. 49. Duong Thi Viet An, Nguyen Dong Yen, Subdifferential stability analysis for convex optimization problems via multiplier sets, Vietnam Journal of Mathematics, 46 (2018), 365-379 (2018)
50. 50. Nguyen Ngoc Luan, Jen-Chih Yao, Nguyen Dong Yen, On Some Generalized Polyhedral Convex Constructions, Numerical Functional Analysis and Optimization 39 (2018), 537-570 (2018)
51. 51. Vu Thi Huong, Jen-Chih Yao, Nguyen Dong Yen, On the Stability and Solution Sensitivity of a Consumer Problem, Journal of Optimization Theory and Applications, 175 (2017), 567--589 (2017)
52. 52. Nguyen Thi Thu Huong, Jen-Chih Yao, Nguyen Dong Yen, Connectedness structure of the solution sets of vector variational inequalities, Optimization, 66 (2017), 889-901 (2017)
53. 53. Pham Duc Khanh, Jen-Chih Yao, Nguyen Dong Yen, The Mordukhovich subdifferentials and directions of descent, Journal of Optimization Theory and Applications, 172 (2017),518--534 (2017)
54. 54. Bui Ngoc Muoi, Nguyen Dong Yen, Local stability and local convergence of the basic trust-region method, Journal of Optimization Theory and Applications, 72 (2017), 578-593 (2017)
55. 55. Nguyen Thi Van Hang, Nguyen Dong Yen, 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. Nguyen Dong Yen, An Introduction to Vector Variational Inequalities and Some New Results, Acta Mathematica Vietnamica, 41 (2016), 505–529 (2016)
57. 57. Nguyen Thi Thu Huong, Jen-Chih Yao, Nguyen Dong Yen, Polynomial vector variational inequalities under polynomial constraints and applications, SIAM Journal on Optimization 26 (2016), 1060–1071 (2016)
58. 58. Nguyen Thi Vinh, Dosang Kim, Nguyen Nang Tam, Nguyen Dong Yen, Duality gap function in infinite dimensional linear programming, Journal of Mathematical Analysis and Applications, 437 (2016), 1–15 (2016)
59. 59. Nguyen Thai An, Nguyen Mau Nam, Nguyen Dong Yen, 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. Duong Thi Kim Huyen, Nguyen Dong Yen, Coderivatives and the solution map of a linear constraint system, SIAM Journal on Optimization 26(2016), 986–1007 (2016)
61. 61. Nguyen Thi Thu Huong, Nguyen Dong Yen, The Adaptive Parameter Control Method and Linear Vector Optimization, Vietnam Journal of Mathematics, 43(2015), 471 -486 (2015)
62. 62. Duong Thi Viet An, Nguyen Dong Yen, Differential stability of convex optimization problems under inclusion constraints., Applicable Analysis 94 (2015), 108 - 128 (2015)
63. 63. Nguyen Thi Van Hang, Nguyen Dong Yen, Optimality conditions and stability analysis via the Mordukhovich subdifferential, Numerical Functional Analysis and Optimization, 36 (2015), 364 - 386 (2015)
64. 64. Nguyen Thi Thu Huong, Nguyen Dong Yen, 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, Nguyen Dong Yen, A class of linear generalized equations., SIAM Journal on Optimization 24 (2014), 210–231 (2014)
66. 66. Gue Myung Lee, Nguyen Dong Yen, Coderivatives of a Karush-Kuhn-Tucker point set map and applications, Nonlinear Analysis: Theory, Methods & Applications 95 (2014), 191–201 (2014)
67. 67. Nguyen Thi Thu Huong, Pham Duc Khanh, Nguyen Dong Yen, Multivalued Tikhonov trajectories of general affine variational inequalities, Journal of Optimization Theory and Applications, 158 (2013), 85 - 96 (2013)
68. 68. Hoang Ngoc Tuan, Nguyen Dong Yen, Convergence of Pham Dinh-Le Thi's algorithm for the trust-region subproblem, Journal of Global Optimization, 55 (2013), 337 – 347 (2013)
69. 69. Nguyen Dong Yen, 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, Nguyen Dong Yen, 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, Nguyen Nang Tam, Nguyen Dong Yen, Solution existence and stability of quadratically constrained convex quadratic programs, Optimization Letters 6 (2012), no. 2, 363–373 (2012)
72. 72. Ngueyn Van Tuyen, Nguyen Dong Yen, On the concept of generalized order optimality, Nonlinear Analysis, 75 (2012), 1592 -- 1601 (2012)
73. 73. Le Thi Hoai An, Pham Dinh Tao, Nguyen Dong Yen, Behavior of DCA sequences for solving the trust-region subproblem, Journal of Global Optimization, 53 (2012), 317 -- 329 (2012)
74. 74. Gue Myung Lee, Nguyen Nang Tam, Nguyen Dong Yen, Stability of linear-quadratic minimization over Euclidean balls, SIAM Journal of Optimization, 22 (2012), 936 -- 952 (2012)
75. 75. Nguyen Thi Thu Huong, Tran Ninh Hoa, Ta Duy Phuong, Nguyen Dong Yen, A property of bicriteria affine vector variational inequalities, Applicable Analysis, 91 (2012), 867 – 1879 (2012)
76. 76. Nguyen Dong Yen, Jen-Chih Yao, Monotone affine vector variational inequalities, Optimization 60 (2011), 53 - 68 (2011)
77. 77. Gue Myung Lee, Nguyen Dong Yen, Fr\'echet and normal coderivatives of implicit multifunctions, Applicable Analysis 90 (2011), 1011 - 1027 (2011)
78. 78. Nguyen Quang Huy, Nguyen Dong Yen, Minimax variational inequalities, Acta Mathematica Vietnamica 36 (2011), 265 -- 281 (2011)
79. 79. Nguyen Huy Chieu, Thai Doan Chuong, Jen-Chih Yao, Nguyen Dong Yen, 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, Nguyen Dong Yen, Properties of two DC algorithms in quadratic programming, Journal of Global Optimization 49 (2011), 481 - 495 (2011)
81. 81. Nguyen Thanh Qui, Nguyen Dong Yen, Some properties of polyhedral multifunctions, Journal of Nonlinear and Convex Analysis, 12 (2011), 483 -- 499 (2011)
82. 82. Jen-Chih Yao, Nguyen Dong Yen, 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, Nguyen Dong Yen, Further results on the lower semicontinuity of efficient point multifunctions, Pacific Journal of Optimization, 6 (2010), 405 -- 422 (2010)
84. 84. Nguyen Huy Chieu, Jen-Chih Yao, Nguyen Dong Yen, 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, Nguyen Dong Yen, 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. Nguyen Dong Yen, 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, Nguyen Dong Yen, 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, Nguyen Dong Yen, 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, Nguyen Mau Nam, Nguyen Dong Yen, Subgradients of marginal functions in parametric mathematical programming, Mathematical Programming, 116 (2009), 369-396, (2009)
90. 90. Nguyen Dong Yen, Parametric optimization problems and parametric variational inequalities, Vietnam Journal of Mathematics, 37 (2009), 191-223 (2009)
91. 91. Gue Myung Lee, Nguyen Nang Tam, Nguyen Dong Yen, Stability of a class of quadratic programs with a conic constraint, Taiwanese Journal of Mathematics, 13 (2009), 1823 -- 1836 (2009)
92. 92. Bui Trong Kien, Jen-Chih Yao, Nguyen Dong Yen, On the solution existence of pseudomonotone variational inequalities, Journal of Global Optimization, 41 (2008), 135-145 (2008)
93. 93. Nguyen Nang Tam, Jen-Chih Yao, Nguyen Dong Yen, Solution methods for pseudomonotone variational inequalities, Journal of Optimization Theory and Applications, 138 (2008), 253-273 (2008)
94. 94. Gue Myung Lee, Nguyen Nang Tam, Nguyen Dong Yen, Normal coderivative for multifunctions and implicit function theorems, Journal of Mathematical Analysis and Applications, 338 (2008), 11-22 (2008)
95. 95. Nguyen Dong Yen, Jen-Chih Yao, Bui Trong Kien, 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. Nguyen Dong Yen, Jen-Chih Yao, Vertical tangent vectors to the graph of a multifunction, Taiwanese Journal of Mathematics, 12 (2008), 1293-1302. (2008)
97. 97. Nguyen Mau Nam, Nguyen Dong Yen, Relationships between approximate Jacobians and coderivatives, Journal of nonlinear and convex analysis, 8 (2007), 121-133. (2007)
98. 98. Gue Myung Lee, Nguyen Nang Tam, Nguyen Dong Yen, Continuity of the solution map in parametric affine variational inequalities, Set-Valued Analysis, 15 (2007), 105 - 123 (2007)
99. 99. Tran Ninh Hoa, Nguyen Quang Huy, Ta Duy Phuong, Nguyen Dong Yen, 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, Nguyen Mau Nam, Nguyen Dong Yen, Frechet subdifferential calculus and optimality conditions in nondifferentiable programming, Optimization 55 (2006), 685 - 708 (2006)
101. 101. Gue Myung Lee, Nguyen Nang Tam, Nguyen Dong Yen, 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, Nguyen Nang Tam, Nguyen Dong Yen, 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, Ta Duy Phuong, Nguyen Dong Yen, Bicriteria strictly quasiconcave maximization on noncompact sets, Nonlinear Anal. Forum 10 (2005), 137 - 144. (2005)
104. 104. Gue Myung Lee, Nguyen Nang Tam, Nguyen Dong Yen, 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, Ta Duy Phuong, Nguyen Dong Yen, 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, Ta Duy Phuong, Nguyen Dong Yen, 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, Nguyen Nang Tam, Nguyen Dong Yen, 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. Nguyen Quang Huy, Nguyen Dong Yen, 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. Nguyen Quang Huy, Nguyen Dong Yen, Remarks on a conjecture of J. Benoist, Nonlinear Anal. Forum 9 (2004), 109 - 117. (2004)
110. 110. V. Jeyakumar, Nguyen Dong Yen, 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, Nguyen Nang Tam, Nguyen Dong Yen, 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. Nguyen Dong Yen, 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. Nguyen Quang Huy, Ta Duy Phuong, Nguyen Dong Yen, 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. Nguyen Dong Yen, 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. Nguyen Dong Yen, 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, Nguyen Dong Yen, A result on vector variational inequalities with polyhedral constraint sets, Journal of Optimization Theory and Applications, 109 (2001), 193 - 197. (2001)
117. 117. Nguyen Dong Yen, 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. Nguyen Dong Yen, 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. Nguyen Nang Tam, Nguyen Dong Yen, 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. Nguyen Dong Yen, Ta Duy Phuong, 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. Nguyen Nang Tam, Nguyen Dong Yen, 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, Nguyen Dong Yen, 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, Nguyen Dong Yen, Vector variational inequality as a tool for studying vector optimization problems, Nonlinear Analysis: Theory, Methods & Applications 34 (1998), 745 - 765. (1998)
124. 124. Nguyen Dong Yen, 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. Pham Huu Sach, Nguyen Dong Yen, Convexity criteria for set-valued maps, Set-Valued Analysis, 5 (1997), 37 - 45. (1997)
126. 126. Nguyen Dong Yen, 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, Nguyen Dong Yen, A result related to Ricceri's conjecture on generalized quasi-variational inequalities, Archiv der Mathematik, 69 (1997), 507 - 514 (1997)
128. 128. Werner. Oettli, Nguyen Dong Yen, Quasicomplementarity problems of R0 type, Journal of Optimization Theory and Applications, 89 (1996), 467 - 474. (1996)
129. 129. Werner. Oettli, Nguyen Dong Yen, An example of a bad quasicomplementarity problem, Journal of Optimization Theory and Applications, 90 (1996), 213 - 215. (1996)
130. 130. G. Mastroeni, Massimo Pappalardo, Nguyen Dong Yen, 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. Nguyen Dong Yen, On an existence theorem for generalized quasi-variational inequalities, Set-Valued Analysis, 3 (1995), 1 - 10 (1995)
132. 132. Nguyen Dong Yen, Holder continuity of solutions to a parametric variational inequality, Applied Mathematics and Optimization, 31 (1995), 245 - 255 (1995)
133. 133. Nguyen Dong Yen, On G-semidifferentiable functions in Euclidean spaces, Journal of Optimization Theory and Applications, 85 (1995), 377 - 392. (1995)
134. 134. Nguyen Dong Yen, A mean value theorem for semidifferentiable functions, Vietnam Journal of Mathematics, 23 (1995), 221 - 228. (1995)
135. 135. Ta Duy Phuong, Pham Huu Sach, Nguyen Dong Yen, 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, Nguyen Dong Yen, 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. Nguyen Dong Yen, Lipschitz continuity of solutions of variational inequalities with a parametric polyhedral constraint, Mathematics of Operations Research, 20 (1995), 695 - 708. (1995)
138. 138. Nguyen Dong Yen, On a class of discontinuous vector-valued functions and the associated quasi-varia-tional inequalities, Optimization, 30 (1994), 197 - 203. (1994)
139. 139. Pham Huu Sach, Nguyen Dong Yen, On locally Lipschitz vector-valued invex functions, Bulletin of the Australian Mathematical Society, 47 (1993), 259 - 271. (1993)
140. 140. Bruce Desmond Craven, Pham Huu Sach, Nguyen Dong Yen, Ta Duy Phuong, 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. Pham Huy Dien, Nguyen Dong Yen, 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. Pham Hong Quang, Nguyen Dong Yen, New proof for a theorem of F. Giannessi, Journal of Optimization Theory and Applications, 68 (1991), 385 - 387. (1991)
143. 143. Nguyen Dong Yen, Pham Huy Dien, 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. Nguyen Dong Yen, Trinh Cong Dieu, On local controllability of nondifferentiable discrete-time systems with nonconvex constraints on controls., Optimization, 20 (1989), 189 - 199. (1989)
145. 145. Nguyen Dong Yen, Implicit function theorems for set-valued maps, Acta Mathematica Vietnamica, 12 (1987), N$^o$ 2, 17 - 28. (1987)
146. 146. Nguyen Dong Yen, Local controllability for Lipschitzian discrete-time systems, Acta Mathematica Vietnamica, 11 (1986), N$^o$ 2, 172 - 179. (1986)
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