Nguyen Hai Son, Tuan Anh Dao; Upper semicontinuity of the solution map to a parametric boundary optimal control problem with unbounded constraint sets; Optimization Letters https://doi.org/10.1007/s11590-021-01804-2

Ninh Van Thu, Mai Anh Duc, Nguyen Thi Lan Huong, Hyeseon Kim, A note on the boundary behaviour of the squeezing function and Fridman invariant, Bull. Korean Math. Soc. 2020 Vol. 57, No. 5, 1241-1249.

Ninh Van Thu and Nguyen Quang Dieu, Some properties of $h$-extendible domains in $\mathbb C^{n+1}$, Journal of Mathematical Analysis and Applications 485 (2020), no. 2, 123810, 14 pp. Preprint_1932.pdf

John Erik Fornaess and Ninh Van Thu, A note on pseudoconvex hypersurfaces of infinite type in $\mathbb C^n$, Proc. Amer. Math. Soc. 148 (2020), no. 10, 4435-4444. Preprint_1820.pdf

Dau The Phiet and Ninh Van Thu, Lower bounds on the Bergman metric near points of infinite type, Vietnam Journal of Mathematics 48 (2020), no. 1, 1-10, Preprint_1709.pdf

D. P. Bac, V. T. Hien, On the topology of geometric and rational orbits for algebraic group actions over valued fields, II,  Communications in Algebra, DOI: https://doi.org/10.1080/00927872.2021.1972117

D. T. V. An (Dương Thị Việt An), N. D. Yen (Nguyễn Đông Yên), Optimality conditions based on the Fréchet second-order subdifferential, Journal of Global Optimization 81 (2021), 351-365. [SCI-E, Scopus]

Nguyen TTH, Nguyen NT. Existence and nonexistence of solutions to cone elliptic equations via Galerkin method. Mathematische Nachrichten. 2021;1-18. https://doi.org/10.1002/mana.201900278

Nam-Ky Nguyen, Mai Phuong Vuong, Tung-Dinh Pham (2021) Multiway Blocking of Designs of Experiments. Statistics and Applications, Volume 19, No. 1 (New Series), pp 247–255 (https://ssca.org.in/media/18_19_1_2021_SA_Nguyen.pdf).

Nam-Ky Nguyen, Mai Phuong Vuong, Tung-Dinh Pham (2021) Constructing 2-level foldover designs with minimal aliasing.  Chemometrics and Intelligent Laboratory Systems, Volume 215. (https://www.sciencedirect.com/science/article/pii/S0169743921001039)

Vu Kim Tuan, Dinh Thanh Duc and Tran Dinh Phung, Multi-term fractional integro-differential equations in power growth function spaces, Fractional Calculus and Applied Analysis https://doi.org/10.1515/fca-2021-0032

T. Ashitha, T. Asir, D.T.Hoang, M.R. Pournaki (2021), Cohen–Macaulayness of a class of graphs versus the class of their complements, Discrete Mathematics, No 10, Vol 344, 112525 (https://www.sciencedirect.com/science/article/pii/S0012365X21002387?via%3Dihub)

Dinh Dũng, Van Kien Nguyen, Deep ReLU neural networks in high-dimensional approximation, Neural Networks, 142 (2021), 619-635, ViAsM20.11

N. V. Tuyen, C.‐F. Wen, T. Q. Son, An approach to characterizing $\epsilon$-solution sets of convex programs. TOP 

Hoàng Thế Tuấn, Ha Duc Thai, Roberto Garappa, An analysis on solutions to fractional neutral differential equations with a delay. Communications in Nonlinear Science and Numerical Simulation, 100 (2021), 105854. https://doi.org/10.1016/j.cnsns.2021.105854

Le Xuan Dung, Truong Thi Hien, Hop D. Nguyen and Tran Nam Trung, Regularity and Koszul property of symbolic powers of monomial ideals, Math. Z., dx.doi.org/10.1007/s00209-020-02657-8 ViAsM19.7

Nam-Ky Nguyen, Tung-Dinh Pham, Mai Phuong Vuong, Multiway Blocking of Designs of Experiments, Statistics and Applications {ISSN 2452-7395 (online), Volume 19, No. 1, 2021 (New Series), pp 1–9.

 Nam-Ky Nguyen, Mai Phuong Vuong and Tung-Dinh Pham, Response Surface Designs Robust against Nuisance Factors, accepted for a chapter in Response Surface Methodology in Engineering Science (IntechOpen).

Domenico Fiorenza, Kotaro Kawai, Hông Vân Lê, Lorenz Schwachhöfer, Almost formality of manifolds of low dimension, Ann. Sc. Norm. Super. Pisa Cl. Sci. (5), Vol. XXII (2021), 79-107

Hoàng Thế Tuấn, On the existence and uniqueness of weak solutions to time-fractional elliptic equations with time-dependent variable coefficients. Proc. Amer. Math. Soc, Volume 149, Number 6, June 2021, Pages 2597-2608. DOI: https://doi.org/10.1090/proc/15533, ViAsM20.17

Hoàng Thế Tuấn, On the asymptotic behavior of solutions to time-fractional elliptic equations driven by a multiplicative white noise. Discrete and Continuous Dynamical Systems - Series B, 26 (2021), no. 3, pp. 1749-1762, ViAsM20.10

Hoàng Thế Tuấn, Hieu Trinh, James Lam, Necessary and sufficient conditions of the positivity and stability to mixed fractional-order systems. International Journal of Robust and Nonlinear Control, 31 (2021), no. 1, pp. 37-50, ViAsM20.12

Nguyen Anh Dao, Xuan Thinh Duong & Ly Kim Ha, Commutators of Cauchy–Fantappiè Type Integrals on Generalized Morrey Spaces on Complex Ellipsoids, The Journal of Geometric Analysis (2021)

Nguyen Thanh Son, P.-A. Absil, Bin Gao, Tatjana Stykel, Symplectic eigenvalue problem via trace minimization and Riemannian optimization, Optimization and Control (math.OC); Spectral Theory (math.SP)

Duong Viet Thong, Phan Tu Vuong, Improved subgradient extragradient methods for solving pseudomonotone variational inequalities in Hilbert spaces, Applied Numerical Mathematics 163 (2021) 221–238

Ðoàn Trung Cường, Sijong Kwak, Componentwise linearity of projective varieties with almost maximal degree, Journal of Pure and Applied Algebra Volume 225, Issue 9, September 2021, 106672

Đỗ Hoàng Sơn, An integral theorem for plurisubharmonic functions,  Journal of Mathematical Analysis and Applications, Volume 495 (2021), No 2, 124741.

Nguyễn Sum, Nguyễn Khắc Tín, The hit problem for the polynomial algebra in some weight vectors, Topology and its Applications Volume 290, 1 March 2021, 107579 

Do Lan, REGULARITY AND STABILITY ANALYSIS FOR SEMILINEAR GENERALIZED RAYLEIGH-STOKES EQUATIONS, EVOLUTION EQUATIONS AND CONTROL THEORY, DOI:10.3934/eect.2021002

Thanh-Hieu Nguyen, Dang Duc Trong & Hoang-Hung Vo, Spreading of Two Competing Species in Advective Environment Governed by Free Boundaries with a Given Moving Boundary, Vietnam Journal of Mathematics (2021)