---

55. Traveling Waves of Diffusive Predator-Prey Systems: Disease Outbreak Propagation (with, X-S Wang and J. Wu), Discrete and Continuous Dynamical Systems A, 32(2012) 3303-3324.

54. Diffusive Logistic Model Towards Predicting Information Diffusion in Online Social Networks (with F. Wang and K.Xu), arXiv: 1108.0442.

53. Positive periodic solutions of singular systems of first order ordinary differential equations, Applied Mathematics and Computation, 218(2011) 1605-1610.

52. An application of the Krasnoselskii theorem to systems of algebraic equations, Journal of Applied Mathematics and Computation, 38(2012) 585-600

51. Positive periodic solutions of singular systems with a parameter, Journal of Differential Equations, 249(2010)2986-3002

50. Lightweight and Informative Traffic Metrics for Data Center Monitoring (with K. Xu and F. Wang), Journal of Network and Systems Management, 20(2012) 226-243

49. Radial Convex Solutions of Boundary Value Problems for Systems of Monge-Ampere equations, arXiv: 1008.4614.

48. Convex Solutions of systems of Monge-Ampère equations, arXiv:1007.3013.

47. Spreading speeds and traveling waves for a model of epidermal wound healing, arXiv:1007.1442.

46. Spreading speeds and traveling waves for non-cooperative reaction-diffusion systems, Journal of Nonlinear Science,21 (2011)747–783.

45. Spreading speeds and traveling waves for non-cooperative integro-difference systems (with Carlos Castillo-Chavez), Discrete and Continuous Dynamical Systems B arXiv:1003.1600.

44. A note on positive periodic solutions of delayed differential equations (with Z. Jin), Applied Mathematics Letters, 23(2010) 581-584.

43. On the existence of traveling waves for delayed reaction-diffusion equations, Journal of Differential Equations, 247(2009) 887-905.

42. Response of yeast mutants to extracellular calcium variations (With P. Marshall and S. Solis), Discrete and Continuous Dynamical Systems B, 12(2009), 439-453

41. Convex solutions of systems arising from Monge-ampere equations, Electronic Journal of Qualitative Theory of Differential Equations, Special Edition I, 26(2009) 1-8

40. Existence and Nonexistence of Positive Radial Solutions for Quasilinear Systems, Discrete and Continuous Dynamical Systems S, 2009(2009) 810-817.

39. Periodic solutions to non-autonomous second–order systems, Nonlinear Analysis, 71 (2009) 1271-1275

38. Enhanced modeling of the glucose-insulin system and its applications in insulin therapies (with J. Li and Y. Kuang), Journal of Biological Dynamics, 3(2009) 22-38.

37.  Existence, multiplicity and dependence on a parameter for a periodic boundary value problem (with J. Graef, L. Kong),  Journal of Differential Equations 245(2008), 1185-1197,

36. Positive radial solutions for p-Laplacian systems (with D. O’Regan), Aequationes Mathematicae,  75(2008), 43-50. 

35. A periodic boundary value problem with vanishing Green’s function (with J. Graef, L. Kong), Applied Mathematics Letters, 21(2008), 176-180. 

34.  Mathematical modeling and qualitative analysis of insulin therapies (with J. Li and Y. Kuang), Mathematical Biosciences, 210(2007), 17-33.  

33. An Eigenvalue Problem for Quasilinear Systems  (with J. Henderson),  Rocky Mountain Journal of Mathematics, 37(2007), 215-228.

32.  On the Number of Positive Solutions of Elliptic Systems ( with D. O'Regan), Mathematische Nachrichten, 280(2007), 1417-1430. 

31. Nontrivial solutions for p-Laplician systems ( with D. D. Hai), Journal of Mathematical Analysis and Applications,  330(2007), 186-194. 

30.   Multiple positive radial solutions for quasilinear equations in annular domains, Differential & difference equations and applications, 1121-1130. Edited by Ravi P. Agarwal and Kanishka Perera. Hindawi Publishing Corporation, New York, 2006.

29.   Existence and Nonexistence of Positive Solutions for Quasilinear Systems, Boundary Value Problems, 2006, ID71534, 1-9.

28.  Convex Solutions of boundary Value Problems Arising from Monge-Ampere Equations, Discrete and Continuous Dynamical Systems (with S. Hu), 16(2006), 705-720.

27. Convex Solutions of Boundary Value Problems, Journal of Mathematical Analysis and Applications, 318(2006) 246-252.

26.  An existence theorem for Quasilinear Systems, Proceedings of the Edinburgh Mathematical Society, 49 (2006), 505-511. 

25.  Positive periodic solutions of systems of second order ordinary differential equations (with Donal O'Regan), POSITIVITY, 10(2006),285-298.

24.  Positive Periodic solutions of systems of first ordinary differential equations (with D. O'Regan), Results in Mathematics, 48(2005),310-325.

23. Positive radial solutions for quasilinear systems in an annulus, Nonlinear Analysis 63 (2005), e2495-e2501.

22. Periodic solutions for scalar functional differential equations (with Dan Ye, Meng Fan), Nonlinear Analysis,  62(2005), 1157-1181.

21. Positive radial solutions for quasilinear systems in an annulus, Discrete and Continuous Dynamical Systems.  Supplement Volume, 878-885, 2005.

20. Nonlinear Eigenvalue Problems for Quasilinear Systems (with J. Henderson), Computers and Mathematics with Applications, 49(2005), 1941-1949.

19. Positive periodic solutions of functional differential equations, Journal of Differential Equations 202  (2004), 354-366.
18. On the structure of positive radial solutions for quasilinear equations in annular domains, Advances in Differential Equations  8  (2003), 111-128.

17. On the number of positive solutions of nonlinear systems, Journal of Mathematical Analysis and Applications,  281  (2003), 287-306.

16. Positive solutions of nonlinear three-point boundary-value problems (with R. Ma). Journal of Mathematical Analysis and  Applications,  279  (2003), 216-227.

15. On positive solutions of some nonlinear fourth-order equations (with Z. Bai), Journal of Mathematical Analysis and Applications 270  (2002), 357-368.

14. Multiplicity of positive radial solutions for an elliptic system on an annulus (with D.R. Dunninger), Nonlinear Analysis  42  (2000), 803-811.

13. Multiplicity of positive solutions for a nonlinear differential equation with nonlinear boundary conditions ( with D.R. Dunninger), Ann. Polon. Math.  69  (1998),155-165.

12. Positive solutions for nonlinear eigenvalue problems (with J. Henderson ), Journal of Mathematical Analysis and Applications  208  (1997),252-259.

11. Existence and multiplicity of positive solutions for elliptic systems (with D.R. Dunninger), Nonlinear Analysis  29  (1997), 1051-1060.

10. On the existence of positive solutions of fourth order ordinary differential equations (with R. Ma), Applicable Analysis  59  (1995), 225-231.

9.  A Self-timed redundant-binary to binary number converter for digital arithmetic processors(with C-L Wey and C-P Wang),  Proc. IEEE International Conference on Computer Design,  Austin, Texas, October (1995), 386-389.

8.  On the existence of positive solutions for semi-linear elliptic equations in the annulus, Journal of Differential Equations  109 (1994), 1-7.

7.  On the existence of positive solutions of ordinary Differential equations (with L. Erbe), Proceedings of the American Mathematical Society  120  (1994), 743--748.

6.   Existence and nonexistence of positive solutions for elliptic equations in an annulus inequalities and applications (with L. Erbe), Inequalities And Applications, World Scientific Series in Applicable Analysis (WSSIAA) 3  (1994), 207-217.

5.   Multiple positive solutions of some boundary value problems (with L. Erbe and S. Hu), Journal of Mathematical Analysis and Applications   184  (1994), 640-648.
4.   Solvability of some singular boundary value problems for the equation (p(t)r(t,u)u)')'/q(t) =f(t,u,pru'), Nonlinear Analysis  18 (1992), 649-655.

3.  Solvability of various boundary value problems for the equation (a(t,y)y')'=f(t,y,y'), Chinese Annals of Mathematics  11A (1990),607-612.

2  .Solvability of various boundary value problems for the equation (a(t,y)y')=f(t,y,y'), Chinese Journal of Contemporary Mathematics  11  (1990),395-367.

1.  Solvability of some boundary value problems for the singular equation (p(t)r(t,y)y')'/q(t) =f(t,y,pry'), Chinese Annals of Mathematics  12A  (1991), 87-91.

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