Ruyun Ma

Articles in Scholarly Journals [Incomplete List]

  1. Nodal solutions for a nonlinear fourth-order eigenvalue problem
    Acta Mathematica Sinica, English Series, vol. 24, no. 1, pp. 27–34, 2008
  2. Existence result for a singular nonlinear boundary value problem at resonance
    Nonlinear Analysis: Theory, Methods & Applications, vol. 68, no. 3, pp. 671–680, 2008
  3. Global Behavior of the Components for the Second Order m-Point Boundary Value Problems
    Boundary Value Problems, vol. 2008, Article ID 254593, 10 pages, 2008
  4. Unbounded perturbations of nonlinear discrete periodic problem at resonance
    Nonlinear Analysis: Theory, Methods & Applications, 2008
  5. Unbounded Perturbations of Nonlinear Second-Order Difference Equations at Resonance
    Advances in Difference Equations, vol. 2007, Article ID 96415, 12 pages, 2007
  6. Nodal solutions for singular nonlinear eigenvalue problems
    Nonlinear Analysis, vol. 66, no. 6, pp. 1417–1427, 2007
  7. Positive solutions for boundary value problems of functional differential equations
    Applied Mathematics and Computation, vol. 193, no. 1, pp. 66–72, 2007
  8. Nodal solutions of second-order boundary value problems with superlinear or sublinear nonlinearities
    Nonlinear Analysis, vol. 66, no. 4, pp. 950–961, 2007
  9. Nonlinear discrete Sturm–Liouville problems at resonance
    Nonlinear Analysis: Theory, Methods & Applications, vol. 67, no. 11, pp. 3050–3057, 2007
  10. Bifurcation from infinity and multiple solutions for some discrete Sturm–Liouville problems
    Computers & Mathematics with Applications, vol. 54, no. 4, pp. 535–543, 2007
  11. Weakly coupled oscillators and topological degree
    Bulletin des Sciences Mathématiques, vol. 131, no. 6, pp. 559–571, 2007
  12. Nodal solutions of boundary value problems of fourth-order ordinary differential equations
    Journal of Mathematical Analysis and Applications, vol. 319, no. 2, pp. 424–434, 2006
  13. Nodal solutions for second-order m-point boundary value problems with nonlinearities across several eigenvalues
    Nonlinear Analysis, vol. 64, no. 7, pp. 1562–1577, 2006
  14. Nodal solutions to nonlinear eigenvalue problems on time scales
    Nonlinear Analysis, vol. 65, no. 4, pp. 773–784, 2006
  15. Nodal solutions for a second-order m-point boundary value problem
    Czechoslovak Mathematical Journal, vol. 56, no. 4, pp. 1243–1263, 2006
  16. Second-order n-point eigenvalue problems on time scales
    Advances in Difference Equations, vol. 2006, Article ID 59572, 17 pages, 2006
  17. Uniqueness of positive solutions of a class of ODE with nonlinear boundary conditions
    Boundary Value Problems, vol. 2005, no. 3, pp. 289–298, 2005
  18. Global behavior of positive solutions of nonlinear three-point boundary value problems
    Nonlinear Analysis, vol. 60, no. 4, pp. 685–701, 2005
  19. Positive solutions of singular sublinear fourth-order boundary value problems
    Applicable Analysis, vol. 84, no. 12, pp. 1199–1220, 2005
  20. Existence of positive solutions of a fourth-order boundary value problem
    Applied Mathematics and Computation, vol. 168, no. 2, pp. 1219–1231, 2005
  21. Uniqueness of positive solutions of a class of O.D.E. with Robin boundary conditions
    Nonlinear Analysis, vol. 63, no. 2, pp. 273–281, 2005
  22. A note on bifurcation from an interval
    Nonlinear Analysis, vol. 62, no. 4, pp. 743–749, 2005
  23. Solvability of singular second order -point boundary value problems
    Journal of Mathematical Analysis and Applications, vol. 301, no. 1, pp. 124–134, 2005
  24. Multiplicity results for second-order two-point boundary value problems with superlinear or sublinear nonlinearities
    Journal of Mathematical Analysis and Applications, vol. 303, no. 2, pp. 726–735, 2005
  25. Nodal solutions for a fourth-order two-point boundary value problem
    Journal of Mathematical Analysis and Applications, 2005
  26. Multiplicity results for second-order two-point boundary value problems with nonlinearities across several eigenvalues
    Applied Mathematics Letters, vol. 18, no. 5, pp. 587–595, 2005
  27. Nodal solutions for nonlinear eigenvalue problems
    Nonlinear Analysis, vol. 59, no. 5, pp. 707–718, 2004
  28. Existence results of a m-point boundary value problem at resonance
    Journal of Mathematical Analysis and Applications, vol. 294, no. 1, pp. 147–157, 2004
  29. Existence of solutions of boundary value problems for second order functional differential equations
    Journal of Mathematical Analysis and Applications, vol. 292, no. 1, pp. 49–59, 2004
  30. Existence of solutions for a two-point boundary value problem on time scales
    Applied Mathematics and Computation, vol. 150, no. 1, pp. 139–147, 2004
  31. Positive Solutions for Semipositone m-point Boundary-value Problems
    Acta Mathematica Sinica, English Series, vol. 20, no. 2, pp. 273–282, 2004
  32. Multiple positive solutions for nonlinear m-point boundary value problems
    Applied Mathematics and Computation, vol. 148, no. 1, pp. 249–262, 2004
  33. Positive solutions for nonhomogeneous m-point boundary value problems1
    Computers & Mathematics with Applications, vol. 47, no. 4-5, pp. 689–698, 2004
  34. Positive Solutions of Three-point Nonlinear Discrete Second Order Boundary Value Problem
    The Journal of Difference Equations and Applications, vol. 10, no. 2, pp. 129–138, 2004
  35. Positive solutions for nonlinear m-point eigenvalue problems
    Journal of Mathematical Analysis and Applications, vol. 297, no. 1, pp. 24–37, 2004
  36. Existence of positive solutions for second-order boundary value problems on infinity intervals
    Applied Mathematics Letters, vol. 16, no. 1, pp. 33–39, 2003
  37. Positive solutions for nonlinear m-point boundary value problems of dirichlet type via fixed-point index theory
    Applied Mathematics Letters, vol. 16, no. 6, pp. 863–869, 2003
  38. EXISTENCE OF POSITIVE SOLUTIONS FOR SUPERLINEAR SEMIPOSITONE $m$ -POINT BOUNDARY-VALUE PROBLEMS
    Proceedings of the Edinburgh Mathematical Society, vol. 46, no. 2, pp. 279–292, 2003
  39. Multiplicity results for a three-point boundary value problem at resonance
    Nonlinear Analysis, vol. 53, no. 6, pp. 777–789, 2003
  40. Positive solutions of nonlinear three-point boundary-value problems
    Journal of Mathematical Analysis and Applications, vol. 279, no. 1, pp. 216–227, 2003
  41. Positive solutions to an m-point boundary value problem
    Applied Mathematics-A Journal of Chinese Universities, vol. 17, no. 1, pp. 24–30, 2002
  42. Existence and uniqueness of solutions to first-order three-point boundary value problems
    Applied Mathematics Letters, vol. 15, no. 2, pp. 211–216, 2002
  43. Positive solutions of a nonlinear m-point boundary value problem
    Computers & Mathematics with Applications, vol. 42, no. 6-7, pp. 755–765, 2001
  44. Positive solutions for second-order three-point boundary value problems
    Applied Mathematics Letters, vol. 14, no. 1, pp. 1–5, 2001
  45. Existence of Solutions of Nonlinear m-Point Boundary-Value Problems
    Journal of Mathematical Analysis and Applications, vol. 256, no. 2, pp. 556–567, 2001
  46. Bifurcation from infinity and multiple solutions for periodic boundary value problems
    Nonlinear Analysis, vol. 42, no. 1, pp. 27–39, 2000
  47. Multiple nonnegative solutions of second-order systems of boundary value problems
    Nonlinear Analysis, vol. 42, no. 6, pp. 1003–1010, 2000
  48. Multiplicity of positive solutions for second-order three-point boundary value problems
    Computers & Mathematics with Applications, vol. 40, no. 2-3, pp. 193–204, 2000
  49. Positive Solutions for Semipositone (k,n-k) Conjugate Boundary Value Problems,
    Journal of Mathematical Analysis and Applications, vol. 252, no. 1, pp. 220–229, 2000
  50. Positive Solutions To A Second Order Three Point Boundary Value Problem
    Applicable Analysis, vol. 76, no. 3, pp. 231–239, 2000
  51. Existence and uniqueness theorems for some fourth-order nonlinear boundary value problems
    International Journal of Mathematics and Mathematical Sciences, vol. 23, no. 11, pp. 783–788, 2000
  52. Minimax inequalities of Ky Fan
    Applied Mathematics Letters, vol. 11, no. 6, pp. 37–41, 1998
  53. Multiplicity results for a third order boundary value problem at resonance
    Nonlinear Analysis, vol. 32, no. 4, pp. 493–499, 1998
  54. On a nonlinear fourth-order elliptic problem
    Applicable Analysis, vol. 66, no. 1, pp. 107–117, 1997
  55. The Method of Lower and Upper Solutions for Fourth-Order Two-Point Boundary Value Problems
    Journal of Mathematical Analysis and Applications, vol. 215, no. 2, pp. 415–422, 1997
  56. Existence of a global coexistence state for periodic competition diffusion systems
    Nonlinear Analysis, vol. 28, no. 7, pp. 1265–1271, 1997
  57. Existence Theorems for a Second Order Three-Point Boundary Value Problem
    Journal of Mathematical Analysis and Applications, vol. 212, no. 2, pp. 430–442, 1997
  58. Existence Theorems for a Second Orderm-Point Boundary Value Problem
    Journal of Mathematical Analysis and Applications, vol. 211, no. 2, pp. 545–555, 1997
  59. Existence of Positive Radial Solutions for Elliptic Systems
    Journal of Mathematical Analysis and Applications, vol. 201, no. 2, pp. 375–386, 1996
  60. On a conjecture concerning the multiplicity of positive solutions of elliptic problems
    Nonlinear Analysis, vol. 27, no. 7, pp. 775–780, 1996
  61. On the existence of positive solutions of fourth-order ordinary differential equations
    Applicable Analysis, vol. 59, no. 1, pp. 225–231, 1995
  62. Multiplicity results for a fourth-order boundary value problem
    Applied Mathematics and Mechanics, vol. 16, no. 10, pp. 961–969, 1995
  63. Some multiplicity results for an elastic beam equation at resonance
    Applied Mathematics and Mechanics, vol. 14, no. 2, pp. 193–200, 1993