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I. THÔNG TIN CÁ NHÂN | |
| Họ và tên: Nguyễn Văn Tuyên | ||
| Ngày sinh: 26/10/1983 | Giới tính: Nam | |
| Số CMND/CCCD: | ||
| Học vị cao nhất: | Năm nhận học vị: | |
| Nơi nhận học vị: | ||
| Chức danh khoa học cao nhất: | Năm bổ nhiệm: | |
| Đơn vị công tác: Khoa Toán học | Chức vụ hiện tại: Phó trưởng khoa (Quy mô dưới 40 GV hoặc dưới 800 SV) | |
| Email: nguyenvantuyen83@hpu2.edu.vn | SĐT: | |
| ORCID: | ||
II. QUÁ TRÌNH ĐÀO TẠO
Education and academic degrees:
- 2005 Bachelor: Hanoi Pedagogical University 2
- 2010 Master: Institute of Mathematics (VAST)
- 2016 PhD: Hanoi Pedagogical University 2
- 2021 Associate Professor: Hanoi Pedagogical University 2
Awards:
- First prize, National Mathematical Olympiad for Students (Analysis), Vietnam, 2003
- The Mathematical Research Award of 2012 awarded by The National Program for the Development of Mathematics, Vietnam
- The Mathematical Research Award of 2017 awarded by The National Program for the Development of Mathematics, Vietnam
- The Mathematical Research Award of 2018 awarded by The National Program for the Development of Mathematics, Vietnam
- The Mathematical Research Award of 2018 awarded by Ministry of Education and Training Vietnam
- The Mathematical Research Award of 2019 awarded by Ministry of Education and Training Vietnam
- The Mathematical Research Award of 2020 awarded by Ministry of Education and Training Vietnam
III. QUÁ TRÌNH CÔNG TÁC CHUYÊN MÔN
Employment:
- January 2006-now: Lecturer, Department of Mathematics, Hanoi Pedagogical University 2
- August 01, 2014- December 30, 2014: Researcher, Vietnam Institute for Advanced Study in Mathematics (VIASM)
- September 1, 2016- December 31, 2016: Postdoc, Pukyong National University, Busan, Korea.
- June 1, 2017 - December 31, 2017: Postdoc, Research Center for Nonlinear Analysis and Optimization, Kaohsiung Medical University, Kaohsiung, Taiwan.
- March 04, 2018 - March 10, 2018: Visiting appointment, School of Mathematical Sciences, University of Electronic Science and Technology of China
- March 10, 2018 - April 10, - 2018: Visiting appointment, Pukyong National University, Busan, Korea.
- June 01, 2018 - November 30, 2018: Postdoc, Research Center for Nonlinear Analysis and Optimization, Kaohsiung Medical University, Kaohsiung, Taiwan.
- July 16, 2018 - July 20, 2018: Visiting appointment, School of Mathematical Sciences, University of Electronic Science and Technology of China
- December 19, 2018 - December 26, 2018: Visiting appointment, School of Mathematical Sciences, University of Electronic Science and Technology of China
- January 01, 2019 - March 31, 2019: Researcher, Vietnam Institute for Advanced Study in Mathematics (VIASM)
- July 01, 2020 - June 30, 2021: Postdoc, Vietnam Institute for Advanced Study in Mathematics (VIASM)
- May 07, 2023 - June 4, 2023: Visiting appointment, Pukyong National University, Busan, Korea.
- October 1, 2023 - October 22, 2023: Visiting appointment, Pukyong National University, Busan, Korea.
Referee and Reviewer of Journals:
1. Mathematical Reviews2. Journal of Global Optimization
3. Acta Mathematica Vietnamica
4. RAIRO Operations Research
5. Tamkang Journal of Mathematics
6. Applicable Analysis
7. Optimization
8. Minimax Theory and Its Applications
9. Optimal Control, Applications and Methods
10. Journal of Optimization Theory and Applications
11. Positivity
12. Optimization Letters
...
Teaching:
- Calculus 1 (3 credits)- Calculus 2 (3 credits)
- Calculus 3 (3 credits)
- Calculus 4 (3 credits)
- Topology and Measure Theory (3 credits)
- Convex Analysis (3 credits)
- Functional Analysis (3 credits)
- Nonsmooth Analysis (3 credits)
- Theory of Vector Optimization (3 credits)
- Variational Inequality (2 credits)
IV. NGOẠI NGỮ
Tiếng Anh:B2V. KINH NGHIỆM VÀ THÀNH TÍCH NGHIÊN CỨU
5.1. Hướng nghiên cứu chính
Research area: Multi-objective Optimization; Nonsmooth Analysis and Optimization; Calculus of variations and optimal control
5.2. Các đề tài nghiên cứu khoa học đã và đang tham gia:
Projects:
1. On Riemann zeta function, 2013-2014, Funded by Hanoi Pedagogical University 2 under Grant No. C.2013.12, (Associate Researcher)2. On the existence of solutions in vector optimization with generalized order, 2013-2014, Funded by Hanoi Pedagogical University 2 under Grant No. C.2013.15, (Head of the project)
3. Nonsmooth optimization and nonconvex duality, 2012-2014, Nafosted, Grant No. 101.02-2012.03, (Associate Researcher)
4. Some qualitative problems in quadratic programming and vector optimization with quadratic objective functions, 2014-2016, Nafosted, Grant No. 101.01-2014.39, (Associate Researcher)
5. Some qualitative properties of vector equilibrium problem with generalized order, 2016-2017, Funded by Hanoi Pedagogical University 2 under Grant No. C.2016.11, (Head of the project)
6. Investigate some calculus rules for second-order subdifferential and its applications, 2018-2020, Funded by Ministry of Education and Training Vietnam under Grant No. B2018-SP2-14, (Head of the project)
7. The existence of solutions in vector optimization problems with unbounded constraint sets, Funded by Hanoi Pedagogical University 2 under Grant No. C.2019-18-05, (Head of the project)
8. Vector variational inequality and some related topics, 2019-2021, Nafosted, Grant No. 101.01-2018.306, (Associate Researcher)
9. Nghiên cứu điều kiện tối ưu kiểu KKT cho các nghiệm xấp xỉ của bài toán tối ưu vectơ giá trị khoảng. 2021-2023, HPU2.UT-2021.15 (Chủ nhiệm, thành viên là NCS: Nguyễn Huy Hưng, K11 Toán giải tích).
10. Một số đặc trưng cho tính Lipschitz suy rộng của ánh xạ đa trị và ứng dụng. 2021-2023, B2021-SP2-06 (Chủ nhiệm, thành viên là NCS: Nguyễn Huy Hưng, K11 Toán giải tích).
12. Một số đặc trưng của tính chính quy parabolic, quy tắc tính toán dưới đạo hàm và điều kiện tối ưu bậc hai, đề tài ƯTCCS, 2024 -2026 (Chủ nhiệm, thành viên là NCS: Nguyễn Huy Hưng, K11 Toán giải tích).
13. Một số đặc trưng cho tính đặt chỉnh của ánh xạ đa trị và ứng dụng, 2024-2026, NAFOSTED, Mã số 101.01-2023.23 (Chủ nhiệm, thành viên là NCS: Nguyễn Huy Hưng, K11 Toán giải tích; Đặng Thị Ngoan).
5.3. Các công trình khoa học đã công bố:
Books/Papers
I. Papers
1. Tuyen, N.V., Yen, N.D.: On the concept of generalized order optimality, Nonlinear Anal. 75 (2012), pp. 1592-1601. (SCI, Q1)
2. Tuyen, N.V.: Some characterizations of solution sets of vector optimization problems with generalized order, Acta Math. Vietnam. 41 (2016), 677-694 (SCOPUS, Q4)
3. Tuyen, N.V.: Convergence of the relative Pareto efficient sets, Taiwanese J. Math. 20 (2016), 1149-1173. (SCI, Q2)
4. Huy, N.Q., Tuyen, N.V.: New second-order optimality conditions for a class of differentiable optimization Problems, J. Optim. Theory Appl. 171 (2016), 27-44. (SCI, Q1)
5. Kim, D.S., Tuyen, N.V.: A note on second-order Karush-Kuhn-Tucker necessary optimality conditions for smooth vector optimization problems, RAIRO-Oper. Res. 52 (2018), 567-575. (SCIE)
6. Huy, N.Q., Kim, D.S, Tuyen, N.V.: Existence theorems in vector optimization with generalized order, J. Optim. Theory Appl. 174 (2017), 728-745. (SCI, Q2)
7. Huy, N.Q., Kim, D.S, Tuyen, N.V.: New second-order Karush–Kuhn–Tucker optimality conditions for vector optimization, Appl. Math. Optim. 79 (2019), 279–307 (SCI, Q1)
8. Kim, D.S., Son, P.T., Tuyen, N.V.: On the existence of Pareto solutions for polynomial vector optimization problems, Math. Program. 177 (2019), 321–341 (SCI, Q1)
9. Tuyen, N.V., Yao, J.C, Wen, C.F.: A note on approximate Karush-Kuhn-Tucker conditions in locally Lipschitz multiobjective optimization, Optim. Lett. 13 (2019), 163-174 (SCIE, Q1)
10. Tuyen, N.V., Huy, N.Q., Kim, D.S.: Strong second-order Karush-Kuhn-Tucker optimality conditions for vector optimization, Appl. Anal. 99 (1) (2020), 103-120 (SCIE, Q2)
11. Kien, B.T., Tuyen, N.V., Yao, J.C.: Second-order KKT optimality conditions for multi-objective optimal control problems, SIAM J. Control Optim. 56 (2018), 4069-4097. (SCI, Q1)
12. Huy, N. Q., Kien, B. T., Lee, G. M., Tuyen, N. V.: Second-order optimality conditions for multiobjective optimization problems with constraints, Linear and Nonlinear Analysis, 5 (2) (2019), 237-253.
13. Tuyen, N.V., Xiao, Y.-B., Son, T.Q.: On AKKT optimality conditions for cone-constrained vector optimization problems, J. Nonlinear Convex Anal. 21 (1) (2020), 105-117 (SCIE, Q2)
14. An, D.T.V., Kobis, M.A., Tuyen, N.V.: Differential stability of convex optimization problems under weaker conditions. Optimization 69 (2) (2020), 385-399 (SCIE, Q1)
15. Son, T.Q., Tuyen, N.V., Wen, C.-F.: Optimality conditions for approximate Pareto solutions of a nonsmooth vector optimization problem with an infinite number of constraints. Acta Math. Vietnam. 45 (2020), 435–448 (SCOPUS, Q3)
16. Xiao, Y.-B., Tuyen, N.V., Yao, J.-C, Wen, C.-F.: Locally Lipschitz Vector Optimization Problems: Second-order constraint qualifications, regularity condition, and KKT necessary optimality conditions. Positivity 24 (2020), 313–337 (SCIE, Q2)
17. Kim, D.S., Mordukhovich, B.S., Pham, T.S., Tuyen, N.V.: Existence of efficient and properly efficient solutions to problems of constrained vector optimization, Math. Program. 190 (2021), 259–283 (SCI, Q1)
18. Toan, N.T., Thuy, L.Q., Tuyen, N.V., Xiao, Y.B.: Second-order KKT optimality conditions for multiobjective discrete optimal control problems, J. Global Optim. 79 (2021), 203–231. (SCI, Q1)
19. Tuyen, N.V., Approximate solutions of interval-valued optimization problems, Investigación Oper., 42 (2021), 223-237. (SCOPUS, Q4)
20. Tuyen, N. V., Son, T. Q., Wen, C. F.: An approach to characterize $\epsilon$-solution sets of convex programs, TOP 30 (2022), 249-269. https://link.springer.com/article/10.1007/s11750-021-00616-y (SCIE, Q2)
21. Tuyen, N. V.: A note on approximate proper efficiency in linear fractional vector optimization, Optim. Lett., 16 (2022), 1835-845. https://link.springer.com/article/10.1007/s11590-021-01806-0 (SCIE, Q2)
22. Hung, N.H., Tuan, H.N., Tuyen, N.V.: On approximate quasi Pareto solutions in nonsmooth semi-infinite interval-valued vector optimization problems, Appl. Anal. 102 (2023), 2432--2448. https://www.tandfonline.com/doi/abs/10.1080/00036811.2022.2027385 (SCIE, Q2)
23. Tuyen, N.V., Wen, C.-F., Xiao, Y.-B., Yao, J.-C.: On second-order sufficient optimality conditions for $C^1$ vector optimization problems, J. Nonlinear Convex Anal. 23 (12) (2022), 2859-2874 (SCIE, Q3)
24. Kien, B.T., Rösch, A., Son, N.H., Tuyen, N.V.: FEM for Semilinear Elliptic Optimal Control with Nonlinear and Mixed Constraints, J. Optim. Theory Appl. 197 (2023), 130–173 (SCI, Q1)
25. Hung, N.H., Tuyen, N.V.: Optimality conditions and duality relations in nonsmooth fractional interval-valued multiobjective optimization, Appl. Set-Valued Anal. Optim. 5 (2023), No. 1, 31-47. DOI: 10.23952/asvao.5.2023.1.03. (SCOPUS, Q1)
26. D.T.V. An, D.T. Ngoan, and N.V. Tuyen: Optimality conditions and sensitivity analysis in parametric convex minimax programming, Appl. Anal. 103 (2024), 2997-3016. (SCIE, Q2)
27. D.T.V. An, N.H. Hung, D.T. Ngoan, and N.V. Tuyen: Optimality Conditions and Sensitivity Analysis in Parametric Nonconvex Minimax Programming, J. Global Optim. 90 (2024), 53-72. https://doi.org/10.1007/s10898-024-01388-y. (SCI, Q1)
28. D.T.V. An, N.H. Hung, and N.V. Tuyen: Subdifferentials and coderivatives of efficient point multifunctions in parametric convex vector optimization, J. Optim. Theory Appl. 202 (2024), 745–770. https://doi.org/10.1007/s10957-024-02446-x (SCI, Q1)
29. N.V. Tuyen, L.G. Jiao, P.H. Quan, D.T.V. An, Approximate optimality conditions and sensitivity analysis in nearly convex optimization, Positivity 29:8 (2025), 24 pages. https://doi.org/10.1007/s11117-024-01103-x (SCI, Q2)
II. Papers in Vietnamese
1. Nguyễn Văn Hào, Nguyễn Văn Tuyên: Tính tổng của một số chuỗi hàm bằng thặng dư, Tạp chí khoa học Trường ĐHSP Hà Nội 2, số 26 (2013), tr. 83 - 94.
2. Nguyễn Văn Tuyên: Sự tồn tại nghiệm Slater của bài toán tối ưu vector, Tạp chí khoa học Trường ĐHSP Hà Nội 2, số 33 (2014), tr. 13 - 20.
3. Nguyễn Văn Tuyên: Điều kiện M-tame và sự tồn tại nghiệm của bài toán tối ưu có ràng buộc, Tạp chí Khoa học Trường ĐHSP Hà Nội 2, số 46 (2016), tr. 3-10.
4. Nguyễn Văn Tuyên, Trần Thị Thu: Về sự tồn tại nghiệm hữu hiệu thực sự của các bài toán tối ưu vectơ, Tạp chí khoa học Trường ĐHSP Hà Nội 2, số 64/4 (2020), tr. 3 - 13.
5. Nguyen Huy Hung, Hoang Ngoc Tuan, and Nguyen Van Tuyen, On second-order sufficient optimality conditions, Hanoi Pedagogical University 2 Journal of Science, 74 (2022), 3-11.
6. Nguyen Huy Hung, Hoang Ngoc Tuan, and Nguyen Van Tuyen, On the tangent sets of constraint systems, Hanoi Pedagogical University 2 Journal of Science, 1 (2022), 42-53.
7. Nguyen Huy Hung, Hoang Ngoc Tuan, and Nguyen Van Tuyen, Necessary optimality conditions for approximate Pareto efficient solutions of nonsmooth fractional interval-valued multiobjective optimization problems, Hanoi Pedagogical University 2 Journal of Science, 1 (2022), 81-90.
III. Preprints:
1. N.V. Tuyen: On error bounds and optimality conditions at infinity, to appear in J. Nonlinear Convex Anal.
2. N.V. Tuyen, K.D. Bae, D.S. Kim, Optimality conditions at infinity for nonsmooth minimax programming, Submitted (2024)
3. N.Q. Huy, N.H. Hung, N.V. Tuyen, H.N. Tuan, Error Bounds for a Class of Cone-Convex Inclusion Problems, Submitted (2024)
4. F. Lara, N.V. Tuyen, T.V. Nghi, Weak sharp minima at infinity and solution stability in mathematical programming via asymptotic analysis, Submitted (2024)
5. D.S Kim, T.S. Pham, N.M. Tung, and N.V. Tuyen: Coderivatives at infinity of set-valued mappings, Manuscript (2023)
1. Tuyen, N.V., Yen, N.D.: On the concept of generalized order optimality, Nonlinear Anal. 75 (2012), pp. 1592-1601. (SCI, Q1)
2. Tuyen, N.V.: Some characterizations of solution sets of vector optimization problems with generalized order, Acta Math. Vietnam. 41 (2016), 677-694 (SCOPUS, Q4)
3. Tuyen, N.V.: Convergence of the relative Pareto efficient sets, Taiwanese J. Math. 20 (2016), 1149-1173. (SCI, Q2)
4. Huy, N.Q., Tuyen, N.V.: New second-order optimality conditions for a class of differentiable optimization Problems, J. Optim. Theory Appl. 171 (2016), 27-44. (SCI, Q1)
5. Kim, D.S., Tuyen, N.V.: A note on second-order Karush-Kuhn-Tucker necessary optimality conditions for smooth vector optimization problems, RAIRO-Oper. Res. 52 (2018), 567-575. (SCIE)
6. Huy, N.Q., Kim, D.S, Tuyen, N.V.: Existence theorems in vector optimization with generalized order, J. Optim. Theory Appl. 174 (2017), 728-745. (SCI, Q2)
7. Huy, N.Q., Kim, D.S, Tuyen, N.V.: New second-order Karush–Kuhn–Tucker optimality conditions for vector optimization, Appl. Math. Optim. 79 (2019), 279–307 (SCI, Q1)
8. Kim, D.S., Son, P.T., Tuyen, N.V.: On the existence of Pareto solutions for polynomial vector optimization problems, Math. Program. 177 (2019), 321–341 (SCI, Q1)
9. Tuyen, N.V., Yao, J.C, Wen, C.F.: A note on approximate Karush-Kuhn-Tucker conditions in locally Lipschitz multiobjective optimization, Optim. Lett. 13 (2019), 163-174 (SCIE, Q1)
10. Tuyen, N.V., Huy, N.Q., Kim, D.S.: Strong second-order Karush-Kuhn-Tucker optimality conditions for vector optimization, Appl. Anal. 99 (1) (2020), 103-120 (SCIE, Q2)
11. Kien, B.T., Tuyen, N.V., Yao, J.C.: Second-order KKT optimality conditions for multi-objective optimal control problems, SIAM J. Control Optim. 56 (2018), 4069-4097. (SCI, Q1)
12. Huy, N. Q., Kien, B. T., Lee, G. M., Tuyen, N. V.: Second-order optimality conditions for multiobjective optimization problems with constraints, Linear and Nonlinear Analysis, 5 (2) (2019), 237-253.
13. Tuyen, N.V., Xiao, Y.-B., Son, T.Q.: On AKKT optimality conditions for cone-constrained vector optimization problems, J. Nonlinear Convex Anal. 21 (1) (2020), 105-117 (SCIE, Q2)
14. An, D.T.V., Kobis, M.A., Tuyen, N.V.: Differential stability of convex optimization problems under weaker conditions. Optimization 69 (2) (2020), 385-399 (SCIE, Q1)
15. Son, T.Q., Tuyen, N.V., Wen, C.-F.: Optimality conditions for approximate Pareto solutions of a nonsmooth vector optimization problem with an infinite number of constraints. Acta Math. Vietnam. 45 (2020), 435–448 (SCOPUS, Q3)
16. Xiao, Y.-B., Tuyen, N.V., Yao, J.-C, Wen, C.-F.: Locally Lipschitz Vector Optimization Problems: Second-order constraint qualifications, regularity condition, and KKT necessary optimality conditions. Positivity 24 (2020), 313–337 (SCIE, Q2)
17. Kim, D.S., Mordukhovich, B.S., Pham, T.S., Tuyen, N.V.: Existence of efficient and properly efficient solutions to problems of constrained vector optimization, Math. Program. 190 (2021), 259–283 (SCI, Q1)
18. Toan, N.T., Thuy, L.Q., Tuyen, N.V., Xiao, Y.B.: Second-order KKT optimality conditions for multiobjective discrete optimal control problems, J. Global Optim. 79 (2021), 203–231. (SCI, Q1)
19. Tuyen, N.V., Approximate solutions of interval-valued optimization problems, Investigación Oper., 42 (2021), 223-237. (SCOPUS, Q4)
20. Tuyen, N. V., Son, T. Q., Wen, C. F.: An approach to characterize $\epsilon$-solution sets of convex programs, TOP 30 (2022), 249-269. https://link.springer.com/article/10.1007/s11750-021-00616-y (SCIE, Q2)
21. Tuyen, N. V.: A note on approximate proper efficiency in linear fractional vector optimization, Optim. Lett., 16 (2022), 1835-845. https://link.springer.com/article/10.1007/s11590-021-01806-0 (SCIE, Q2)
22. Hung, N.H., Tuan, H.N., Tuyen, N.V.: On approximate quasi Pareto solutions in nonsmooth semi-infinite interval-valued vector optimization problems, Appl. Anal. 102 (2023), 2432--2448. https://www.tandfonline.com/doi/abs/10.1080/00036811.2022.2027385 (SCIE, Q2)
23. Tuyen, N.V., Wen, C.-F., Xiao, Y.-B., Yao, J.-C.: On second-order sufficient optimality conditions for $C^1$ vector optimization problems, J. Nonlinear Convex Anal. 23 (12) (2022), 2859-2874 (SCIE, Q3)
24. Kien, B.T., Rösch, A., Son, N.H., Tuyen, N.V.: FEM for Semilinear Elliptic Optimal Control with Nonlinear and Mixed Constraints, J. Optim. Theory Appl. 197 (2023), 130–173 (SCI, Q1)
25. Hung, N.H., Tuyen, N.V.: Optimality conditions and duality relations in nonsmooth fractional interval-valued multiobjective optimization, Appl. Set-Valued Anal. Optim. 5 (2023), No. 1, 31-47. DOI: 10.23952/asvao.5.2023.1.03. (SCOPUS, Q1)
26. D.T.V. An, D.T. Ngoan, and N.V. Tuyen: Optimality conditions and sensitivity analysis in parametric convex minimax programming, Appl. Anal. 103 (2024), 2997-3016. (SCIE, Q2)
27. D.T.V. An, N.H. Hung, D.T. Ngoan, and N.V. Tuyen: Optimality Conditions and Sensitivity Analysis in Parametric Nonconvex Minimax Programming, J. Global Optim. 90 (2024), 53-72. https://doi.org/10.1007/s10898-024-01388-y. (SCI, Q1)
28. D.T.V. An, N.H. Hung, and N.V. Tuyen: Subdifferentials and coderivatives of efficient point multifunctions in parametric convex vector optimization, J. Optim. Theory Appl. 202 (2024), 745–770. https://doi.org/10.1007/s10957-024-02446-x (SCI, Q1)
29. N.V. Tuyen, L.G. Jiao, P.H. Quan, D.T.V. An, Approximate optimality conditions and sensitivity analysis in nearly convex optimization, Positivity 29:8 (2025), 24 pages. https://doi.org/10.1007/s11117-024-01103-x (SCI, Q2)
II. Papers in Vietnamese
1. Nguyễn Văn Hào, Nguyễn Văn Tuyên: Tính tổng của một số chuỗi hàm bằng thặng dư, Tạp chí khoa học Trường ĐHSP Hà Nội 2, số 26 (2013), tr. 83 - 94.
2. Nguyễn Văn Tuyên: Sự tồn tại nghiệm Slater của bài toán tối ưu vector, Tạp chí khoa học Trường ĐHSP Hà Nội 2, số 33 (2014), tr. 13 - 20.
3. Nguyễn Văn Tuyên: Điều kiện M-tame và sự tồn tại nghiệm của bài toán tối ưu có ràng buộc, Tạp chí Khoa học Trường ĐHSP Hà Nội 2, số 46 (2016), tr. 3-10.
4. Nguyễn Văn Tuyên, Trần Thị Thu: Về sự tồn tại nghiệm hữu hiệu thực sự của các bài toán tối ưu vectơ, Tạp chí khoa học Trường ĐHSP Hà Nội 2, số 64/4 (2020), tr. 3 - 13.
5. Nguyen Huy Hung, Hoang Ngoc Tuan, and Nguyen Van Tuyen, On second-order sufficient optimality conditions, Hanoi Pedagogical University 2 Journal of Science, 74 (2022), 3-11.
6. Nguyen Huy Hung, Hoang Ngoc Tuan, and Nguyen Van Tuyen, On the tangent sets of constraint systems, Hanoi Pedagogical University 2 Journal of Science, 1 (2022), 42-53.
7. Nguyen Huy Hung, Hoang Ngoc Tuan, and Nguyen Van Tuyen, Necessary optimality conditions for approximate Pareto efficient solutions of nonsmooth fractional interval-valued multiobjective optimization problems, Hanoi Pedagogical University 2 Journal of Science, 1 (2022), 81-90.
III. Preprints:
1. N.V. Tuyen: On error bounds and optimality conditions at infinity, to appear in J. Nonlinear Convex Anal.
2. N.V. Tuyen, K.D. Bae, D.S. Kim, Optimality conditions at infinity for nonsmooth minimax programming, Submitted (2024)
3. N.Q. Huy, N.H. Hung, N.V. Tuyen, H.N. Tuan, Error Bounds for a Class of Cone-Convex Inclusion Problems, Submitted (2024)
4. F. Lara, N.V. Tuyen, T.V. Nghi, Weak sharp minima at infinity and solution stability in mathematical programming via asymptotic analysis, Submitted (2024)
5. D.S Kim, T.S. Pham, N.M. Tung, and N.V. Tuyen: Coderivatives at infinity of set-valued mappings, Manuscript (2023)
IV. Books (in Vietnamese):
1. Nguyễn Phụ Hy, Hoàng Ngọc Tuấn, Nguyễn Văn Tuyên: “Bài tập giải tích hàm”, Nxb Khoa học Kỹ thuật, Hà Nội, 2007.
2. Trần Văn Bằng, Nguyễn Văn Tuyên, Nguyễn Văn Hào, Hoàng Ngọc Tuấn, Nguyễn Quốc Tuấn: "Giải tích hàm một biến 1", Giáo trình (nội bộ), Trường ĐHSP Hà Nội 2, 2019.
1. Nguyễn Phụ Hy, Hoàng Ngọc Tuấn, Nguyễn Văn Tuyên: “Bài tập giải tích hàm”, Nxb Khoa học Kỹ thuật, Hà Nội, 2007.
2. Trần Văn Bằng, Nguyễn Văn Tuyên, Nguyễn Văn Hào, Hoàng Ngọc Tuấn, Nguyễn Quốc Tuấn: "Giải tích hàm một biến 1", Giáo trình (nội bộ), Trường ĐHSP Hà Nội 2, 2019.
Selected Talks
1. On the concept of generalized order optimality, The 8th Vietnam-Korea Workshop “Mathematical Optimization Theory and Applications”, December 8-10, 2011, Dalat, Vietnam.
2. New Second-Order Optimality Conditions for Differentiable Optimization Problem, The 8th Congress of the Vietnamese Mathematical, August 10-14, 2013, Nha Trang, Khanh Hoa, Vietnam.
3. Convergence of the relative Pareto efficient sets, The 12th Workshop on Optimization and Scientific Computing, April 23-25, 2014, Bavi, Vietnam.
4. Some characterizations of solution sets of vector optimization problems, The 13th Workshop on Optimization and Scientific Computing, April 23-25, 2015, Bavi, Vietnam.
5. Strong second-order Karush-Kuhn-Tucker optimality conditions for vector optimization, Workshop “Some selected problems in Probability theory, Graph theory, and Scientific computing”, February 16-18, 2017, Ha Noi - Vinh Phuc, Vietnam.
6. New second-order Karush-Kuhn-Tucker optimality conditions for vector optimization, Vietnam - Korea workshop on selected topics in Mathematics, February 20-24, 2017, Da Nang, Vietnam.
7. A note on second-order (KKT) optimality conditions for smooth vector optimization problems, The 15th Workshop on Optimization and Scientific Computing, April 20-22, 2017, Bavi, Vietnam.
8. Second-order KKT optimality conditions for multi-objective optimal control problems, Workshop "Mathematical Optimization Theory and Application", January 18-20, 2018, VIASM, Hanoi, Vietnam.
9. Existence results for vector optimization problems, May 9-11, 2018, Kaohsiung, Taiwan, Taiwan-Vietnam Workshop on Mathematics.
10. Existence of efficient and properly efficient solutions to problems of constrained vector optimization, International Workshop on Nonlinear and Variational, August 17-19, 2018, Kaohsiung, Taiwan
11. Existence of efficient and properly efficient solutions to problems of constrained vector optimization, International Workshop Variational Analysis and Related Topics, December 13-15, 2018, Hanoi Pedagogical University 2, Xuan Hoa, Vinh Phuc, Vietnam
12. On approximate Karush-Kuhn-Tucker conditions for locally Lipschitz multiobjective optimization problems, The 17th Workshop on Optimization and Scientific Computing, April 18-20, 2019, Bavi, Vietnam.
13. Second-order subdifferentials and its applications, International Conference “Differential Equations and Dynamical Systems”, September 5-6, 2019, Hanoi Pedagogical University 2, Xuan Hoa, Vinh Phuc, Vietnam
14. On Second-Order Sufficient Optimality Conditions for $C^1$ Multiobjective Optimization Problems, Young Mathematics Conference, October 5-6, 2019, Hanoi Pedagogical University 2, Xuan Hoa, Vinh Phuc, Vietnam
15. Second-order Karush–Kuhn–Tucker optimality conditions for a class of multiobjective discrete optimal control problems, 2021 International Online Workshop on Optimization Theory and Applications, January 27 – 29, 2021.
16. On approximate quasi Pareto solutions in nonsmooth semi-infinite interval-valued vector optimization problems, 2022 International Online Workshop on Optimization Theory and Applications, January 19 – 21, 2022.
17. On the existence of Pareto solutions of vector optimization problems, Hội thảo khoa học cán bộ trẻ - Gặp gỡ Toán học 2022, Xuân Hòa, 27-28/08/2022.
18. Optimality conditions and duality relations in nonsmooth fractional interval-valued multiobjective optimization, Miniworkshop on Optimization and Control Theory, December 23-24, 2022, Institute of Mathematics, Vietnam Academy of Science and Technology.
19. On error bounds for a class of differentiable convex inclusions, 10th Vietnam Mathematical Congress, August 08-12, 2023, Da Nang, Vietnam.
3. Convergence of the relative Pareto efficient sets, The 12th Workshop on Optimization and Scientific Computing, April 23-25, 2014, Bavi, Vietnam.
4. Some characterizations of solution sets of vector optimization problems, The 13th Workshop on Optimization and Scientific Computing, April 23-25, 2015, Bavi, Vietnam.
5. Strong second-order Karush-Kuhn-Tucker optimality conditions for vector optimization, Workshop “Some selected problems in Probability theory, Graph theory, and Scientific computing”, February 16-18, 2017, Ha Noi - Vinh Phuc, Vietnam.
6. New second-order Karush-Kuhn-Tucker optimality conditions for vector optimization, Vietnam - Korea workshop on selected topics in Mathematics, February 20-24, 2017, Da Nang, Vietnam.
7. A note on second-order (KKT) optimality conditions for smooth vector optimization problems, The 15th Workshop on Optimization and Scientific Computing, April 20-22, 2017, Bavi, Vietnam.
8. Second-order KKT optimality conditions for multi-objective optimal control problems, Workshop "Mathematical Optimization Theory and Application", January 18-20, 2018, VIASM, Hanoi, Vietnam.
9. Existence results for vector optimization problems, May 9-11, 2018, Kaohsiung, Taiwan, Taiwan-Vietnam Workshop on Mathematics.
10. Existence of efficient and properly efficient solutions to problems of constrained vector optimization, International Workshop on Nonlinear and Variational, August 17-19, 2018, Kaohsiung, Taiwan
11. Existence of efficient and properly efficient solutions to problems of constrained vector optimization, International Workshop Variational Analysis and Related Topics, December 13-15, 2018, Hanoi Pedagogical University 2, Xuan Hoa, Vinh Phuc, Vietnam
12. On approximate Karush-Kuhn-Tucker conditions for locally Lipschitz multiobjective optimization problems, The 17th Workshop on Optimization and Scientific Computing, April 18-20, 2019, Bavi, Vietnam.
13. Second-order subdifferentials and its applications, International Conference “Differential Equations and Dynamical Systems”, September 5-6, 2019, Hanoi Pedagogical University 2, Xuan Hoa, Vinh Phuc, Vietnam
14. On Second-Order Sufficient Optimality Conditions for $C^1$ Multiobjective Optimization Problems, Young Mathematics Conference, October 5-6, 2019, Hanoi Pedagogical University 2, Xuan Hoa, Vinh Phuc, Vietnam
15. Second-order Karush–Kuhn–Tucker optimality conditions for a class of multiobjective discrete optimal control problems, 2021 International Online Workshop on Optimization Theory and Applications, January 27 – 29, 2021.
16. On approximate quasi Pareto solutions in nonsmooth semi-infinite interval-valued vector optimization problems, 2022 International Online Workshop on Optimization Theory and Applications, January 19 – 21, 2022.
17. On the existence of Pareto solutions of vector optimization problems, Hội thảo khoa học cán bộ trẻ - Gặp gỡ Toán học 2022, Xuân Hòa, 27-28/08/2022.
18. Optimality conditions and duality relations in nonsmooth fractional interval-valued multiobjective optimization, Miniworkshop on Optimization and Control Theory, December 23-24, 2022, Institute of Mathematics, Vietnam Academy of Science and Technology.
19. On error bounds for a class of differentiable convex inclusions, 10th Vietnam Mathematical Congress, August 08-12, 2023, Da Nang, Vietnam.
