1. Hà Huy Vui, Phạm Tiến Sơn, Solving polynomial optimization problems via the truncated tangency variety and sums of square, Journal of Pure and Applied Algebra, 213 (2009), 2167-2176.
2. Đào Quang Tuyến, Central limit theorems for mixing arrays II, Vietnam J. Math., 37 (2009), 491-502
3. Hoàng Tụy, Concave programming and DH-point, Journal of Global Optimization, 43 (2009), 407-413
4. Nguyễn Công Minh, Ngô Việt Trung, Cohen-Macaulayness of powers of two-dimensional squarefree monomial ideals, Journal of Algebra, 322 (2009), 4219-4227
5. Jürgen Herzog, Takayuki Hibi, Ngô Việt Trung, Vertex cover algebras of unimodular hypergraphs, Proceedings of the American Mathematical Society, 137 (2009), 409-414
6. Trần Nam Trung, Stability of associated primes of integral closures of monomial ideals, Journal of Combinatorial Theory, Series A, 116 (2009), 44-55.
7. Trần Nam Trung, Regularity index of Hilbert functions of powers of ideals, Proceedings of the American Mathematical Society, 137 (2009), 2169-2174
8. Nguyễn Minh Trí, Recent results in the theory of semilinear elliptic degenerate differential equations, Vietnam J. Math., 37 (2009), 387-397.
9. Patrice Orro, Krzysztof Kurdyka, Đinh Sĩ Tiệp, Gradient horizontal de fonctions polynomiales, Annales de l'Institut Fourier, 59 (2009),1999-2042
10. Nguyễn Quốc Thắng, Đào Phương Bắc, On the topology on group cohomology of algebraic groups defined over local fields,, In: Proc. of the International Conf. on Research and Education in Math., Univ. Putra Malaysia, Kuala-Lampur, Malaysia, (2009) 524 – 530
11. Phan Thiên Thạch, Quasi-convex duality for a mixed 0-1 variable problem and applications in production planning with set up costs, Acta Mathematica Vietnamica, 34 (2009), 245-256.
12. Lai-Jiu Lin, Nguyễn Xuân Tấn, Quasi-equilibrium inclusion problems of the Blum-Oettli type and related problems, Acta Mathematica Vietnamica, 34 (2009), 111-123.
13. Ngô Đắc Tân, On the hamiltonian and classification problems for some families of split graphs, Vietnam J. Math., 37 (2009), 379-386.
14. Anke Kalauch, Đoàn Thái Sơn, Stefan Siegmund, Exponential stability of linear time-invariant systems on time scales,, Nonlinear Dynamics and Systems Theory, 9 (2009), 37-50.
15. Arno Berger, Đoàn Thái Sơn, Stefan Siegmund, A definition of spectrum for differential equations on finite time, Journal of Differential Equations, 246 (2009), 1098-1118
16. Bui The Anh, Nguyễn Khoa Sơn, Duong Dang Xuan Thanh, Perron-Frobenius theorem for positive polynomial operators in Banach lattices, Positivity, 13 (2009), 709-716.
17. Bui The Anh, Nguyễn Khoa Sơn, Duong Dang Xuan Thanh, Stability radii of positive linear time-delay systems under fractional perturbations, Systems & control letters, 58 (2009), 155-159
18. Phạm Hữu Sách, Lê Anh Tuấn, Generalizations of vector quasivariational inclusion problems with set-valued maps, Journal of Global Optimization, 43 (2009), 23-45.
19. Phạm Hữu Sách, Lê Anh Tuấn, Strong duality with proper efficiency in multiobjective optimization involing nonconvex st-valued maps, Numerical functional analysis and optimization, 30 (2009), 371-392
20. Phạm Hữu Sách, Lê Anh Tuấn, Gue Myung Lee, Sensitivity results for a general class of generalized vector quasi-equilibrium problems with set-valued maps., Nonlinear Analysis: Theory, Methods & Applications, 71 (2009), 571-586