1. Nguyen Quang Dieu and Tang Van Long, Product property of global $P$-extremal functions, Math. Scand.  127 (2021), no. 3, 509–520; MR4400799

2. N. C. Minh and T. Vu, Survey on regularity of symbolic powers of an edge ideal, in {\it Commutative algebra, 569–588, Springer, Cham, ; MR4394421

3. Phung Van Manh et al., On $D$-invariant points and local Taylor interpolation on algebraic hypersurfaces in $\Bbb R^N$, Filomat  35 (2021), no. 14, 4715–4730; MR4394155

4. N. T. V. Anh, Tran Dinh Ke and D. Lan, Anti-periodic problem for semilinear differential inclusions involving Hille-Yosida operators, Topol. Methods Nonlinear Anal.  58 (2021), no. 1, 275–305; MR4371566

5. T. T. H. Nguy\cftil en and N. N. Thang, Existence and nonexistence of solutions to cone elliptic equations via Galerkin method, Math. Nachr.  294 (2021), no. 10, 1932–1949; MR4371276

6. Lê Mậu Hải and V. Van Quan, Existence and H\”older continuity to solutions of the complex Monge–Amp\`ere-type equations with measures vanishing on pluripolar subsets, Internat. J. Math.  32 (2021), no. 14, Paper No. 2150099, 19 pp.; MR4369752

7. P. Le, Duong Anh Tuan and N. N. Thang, Liouville-type theorems for sub-elliptic systems involving $\Delta_\lambda$-Laplacian, Complex Var. Elliptic Equ.  66 (2021), no. 12, 2131–2140; MR4354750

8. L. D. Hai An, Le Van Hien and Tran Thi Loan, On exponential stability of neural networks with proportional delays and periodic distribution impulsive effects, Differ. Equ. Dyn. Syst.  29 (2021), no. 4, 807–823; MR4344582

9. Duong Anh Tuan, V. H. Nguyen and T. Q. Nguyen, Uniform lower bound and Liouville type theorem for fractional Lichnerowicz equations, Bull. Aust. Math. Soc.  104 (2021), no. 3, 484–492; MR4338479

10. Nguyen Xuan Hong and P. T. Lieu, The Dirichlet problem for the complex Monge-Amp\`ere operator on strictly plurifinely pseudoconvex domains, Complex Anal. Oper. Theory  15 (2021), no. 8, Paper No. 124, 11 pp.; MR4338253

11. Nguyen Viet Dung and T. Luu Ba, The number $a^2+b^2-dc^2$ revisited, J. Integer Seq.  24 (2021), no. 9, Art. 21.9.3, 8 pp.; MR4336095

12. N. T. Lien, H. Van Can and H. Viet, The complex Monge-Amp\`ere type equation for $\Cal F$-plurisubharmonic functions, Acta Math. Vietnam.  46 (2021), no. 4, 737–746; MR4334233

13. N. T. V. Anh and Tran Dinh Ke, On the differential variational inequalities of parabolic-parabolic type, Acta Appl. Math.  176 (2021), Paper No. 5, 25 pp.; MR4333641

14. T. T. H. Nguy\cftil en and N. N. Thang, Nonnegative solutions and multiple solutions for a class of weighted Hamiltonian subelliptic systems, J. Pseudo-Differ. Oper. Appl.  12 (2021), no. 4, Paper No. 57, 27 pp.; MR4323147

15. Cung The Anh, Le Thi Thuy and L. T. Tinh, Long-time behavior of a family of incompressible three-dimensional Leray-$\alpha$-like models, Bull. Korean Math. Soc.  58 (2021), no. 5, 1109–1127; MR4319447

16. S. D. Quang, Non-integrated defect relation for meromorphic mappings on K\”ahler manifolds intersecting non-subdegenerate families of hyperplanes, J. Math. Anal. Appl.  493 (2021), no. 2, Paper No. 124542, 15 pp.; MR4144291

17. Nguyen Trung Dzung and Le Van Hien, Robust stabilization of non-stationary Markov jump 2-D systems with multiplicative noises, J. Franklin Inst.  358 (2021), no. 15, 7413–7425; MR4319361

18. Pham Hoang Ha, A note on the independence number, connectivity and $k$-ended tree, Discrete Appl. Math.  305 (2021), 142–144; MR4314014

19. Duong Anh Tuan and D. H. Pham, Liouville-type theorem for fractional Kirchhoff equations with weights, Bull. Iranian Math. Soc.  47 (2021), no. 5, 1585–1597; MR4308882

20. H.-S. Do and G. Le, On the conditional plurisubharmonic envelopes of bounded functions, Internat. J. Math.  32 (2021), no. 9, Paper No. 2150060, 17 pp.; MR4308415

21. S. D. Quang, Meromorphic mappings of a complete connected K\”ahler manifold into a projective space sharing hyperplanes, Complex Var. Elliptic Equ.  66 (2021), no. 9, 1486–1516; MR4306796

22. S. D. Quang, Meromorphic functions with finite growth index on complex discs sharing values or pairs of values, Anal. Math.  47 (2021), no. 3, 665–693; MR4305425

23. Pham Hoang Ha, Dang Dinh Hanh and N. T. Loan, Spanning trees with few peripheral branch vertices, Taiwanese J. Math.  25 (2021), no. 3, 435–447; MR4298906

24. Phung Van Manh et al., Polynomial interpolation of holomorphic functions based on Radon projections, Complex Var. Elliptic Equ.  66 (2021), no. 8, 1298–1319; MR4296803

25. Pham Hoang Ha et al., Spanning trees whose reducible stems have a few branch vertices, Czechoslovak Math. J.  71(146) (2021), no. 3, 697–708; MR4295240

26. Nguyen Quang Dieu and Phung Van Manh, On generalized least power approximation, Math. Inequal. Appl.  24 (2021), no. 3, 695–713; MR4293609

27. L\^e M\^au Hai and V. Van Quan, H\”older continuity for solutions of the complex Monge-Amp\`ere type equation, J. Math. Anal. Appl.  494 (2021), no. 1, Paper No. 124586, 14 pp.; MR4151574

28. S. D. Quang, Degeneracy and finiteness problems for holomorphic curves from a disc into $\bold{P^n(\bold C)$ with finite growth index, Kodai Math. J.  44 (2021), no. 2, 369–391; MR4280143

29. S. D. Quang, Le Ngoc Quynh and N. T. Nhung, Non-integrated defect relation for meromorphic maps from K\”ahler manifolds with hypersurfaces of a projective variety in subgeneral position, Tohoku Math. J. (2)  73 (2021), no. 2, 199–219; MR4278744

30. S. D. Quang, Algebraic degeneracy and uniqueness theorems for holomorphic curves with infinite growth index from a disc into $\Bbb P^n(\Bbb C)$ sharing $2n+2$ hyperplanes, Mediterr. J. Math.  18 (2021), no. 4, Paper No. 162, 21 pp.; MR4271997

31. Lê Mậu Hải and V. Van Quan, Weak solutions to the complex $m$-Hessian type equation on open subsets of $\Bbb C^n$, Complex Anal. Oper. Theory  15 (2021), no. 5, Paper No. 84, 12 pp.; MR4269645

32. Tran Van Tan, A normality criterion for families of holomorphic mappings under a condition of uniform boundedness of their tangent mappings, Bull. Sci. Math.  170 (2021), Paper No. 102994, 15 pp.; MR4263007

33. S. D. Quang, Do Duc Thai and Pham Duc Thoan, Distribution value of algebraic curves and the Gauss maps on algebraic minimal surfaces, Internat. J. Math.  32 (2021), no. 5, Paper No. 2150028, 13 pp.; MR4258925

34. N. C. Minh, T. Luu Ba and T. N. Trung, The number of roots of a polynomial system, Bull. Aust. Math. Soc.  103 (2021), no. 3, 369–378; MR4255541

35. Duong Anh Tuan and V. H. Nguyen, Liouville type theorems for some fractional elliptic problems, Nonlinear Anal.  210 (2021), Paper No. 112383, 20 pp.; MR4249795

36. Phung Van Manh, Hermite interpolation on the unit sphere and limits of Lagrange projectors, IMA J. Numer. Anal.  41 (2021), no. 2, 1441–1464; MR4246879

37. Lê Mậu Hải, H. H. Ph\d am and T. Tung, Estimates of level sets of holomorphic functions and applications to the weighted log canonical thresholds, J. Geom. Anal.  31 (2021), no. 4, 3783–3819; MR4236543

38. Tran Dinh Ke and Tran Van Tuan, An identification problem involving fractional differential variational inequalities, J. Inverse Ill-Posed Probl.  29 (2021), no. 2, 185–202; MR4236207

39. Duong Anh Tuan et al., Classification results for a sub-elliptic system involving the $\Delta_\lambda$-Laplacian, Math. Methods Appl. Sci.  44 (2021), no. 5, 3615–3629; MR4227948

40. Truong Thi Hong Thanh and Dương Quốc Việt et, The Euler-Poincar\’e{ characteristic of joint reductions and mixed multiplicities, J. Algebra Appl.  20 (2021), no. 2, Paper No. 2150026, 20 pp.; MR4221777

41. Pham Duc Thoan, H. N. Nguyen and V. Noulorvang, $q$-differences theorems for meromorphic maps of several complex variables intersecting hypersurfaces, Asian-Eur. J. Math.  14 (2021), no. 3, Paper No. 2150040, 21 pp.; MR4220903

42. Do Duc Thai and Pham Ngoc Mai, Singular directions of Brody curves, J. Geom. Anal.  31 (2021), no. 2, 1721–1731; MR4215274

43. Cung The Anh and D. T. Son, An optimal control problem of the 3D viscous Camassa-Holm equations, Optimization  70 (2021), no. 1, 3–25; MR4195779

44. Cung The Anh and B. H. Bach, Continuous data assimilation for the three-dimensional simplified Bardina model utilizing measurements of only two components of the velocity field, J. Korean Math. Soc.  58 (2021), no. 1, 1–28; MR4192844

45. Cung The Anh, D. T. P. Thanh and N. D. Toan, Uniform attractors of 3D Navier-Stokes-Voigt equations with memory and singularly oscillating external forces, Evol. Equ. Control Theory  10 (2021), no. 1, 1–23; MR4191563

46. Duong Anh Tuan, P. Le and N. N. Thang, Symmetry and nonexistence results for a fractional Choquard equation with weights, Discrete Contin. Dyn. Syst.  41 (2021), no. 2, 489–505; MR4191515

47. Pham Trieu Duong and M. Reissig, Semilinear mixed problems in exterior domains for $\sigma$-evolution equations with friction and coefficients depending on spatial variables, J. Math. Anal. Appl.  494 (2021), no. 1, Paper No. 124587, 37 pp.; MR4151575