Said R. Grace

Personal Home Page

http://staff.eng.cu.edu.eg/Instructor.asp?COLL_CODE=5&DEPT_CODE=MPH&Instructor_ID=546

Articles in Scholarly Journals [Incomplete List]

  1. On the oscillation of certain third order nonlinear functional differential equations
    Applied Mathematics and Computation, 2008
  2. A selection of oscillation criteria for second-order differential inclusions
    Applied Mathematics Letters, 2008
  3. On the oscillation of certain fourth order functional differential equations
    International Journal of Dynamical Systems and Differential Equations, vol. 1, no. 3, p. 155, 2008
  4. Oscillation theorems for certain higher order nonlinear functional differential equations
    Applicable Analysis and Discrete Mathematics, vol. 2, no. 1, pp. 1–30, 2008
  5. Oscillation theorems for second order differential inclusions
    International Journal of Dynamical Systems and Differential Equations, vol. 1, no. 2, p. 85, 2007
  6. Oscillation criteria for first and second order forced difference equations with mixed nonlinearities
    Mathematical and Computer Modelling, vol. 45, no. 7-8, pp. 965–973, 2007
  7. Oscillation of certain fourth-order functional differential equations
    Ukrainian Mathematical Journal, vol. 59, no. 3, pp. 315–342, 2007
  8. On the oscillatory properties of certain fourth order nonlinear difference equations
    Journal of Mathematical Analysis and Applications, vol. 322, no. 2, pp. 930–956, 2006
  9. Oscillation criteria for certain fourth order nonlinear functional differential equations
    Mathematical and Computer Modelling, vol. 44, no. 1-2, pp. 163–187, 2006
  10. Oscillation criteria for first-order forced nonlinear difference equations
    Advances in Difference Equations, vol. 2006, Article ID 62579, 16 pages, 2006
  11. On the oscillation of certain third-order difference equations
    Advances in Difference Equations, vol. 2005, no. 3, pp. 345–367, 2005
  12. Oscillation of higher-order nonlinear difference equations
    Mathematical and Computer Modelling, vol. 41, no. 4-5, pp. 485–491, 2005
  13. Oscillation of functional differential equations
    Mathematical and Computer Modelling, vol. 41, no. 4-5, pp. 417–461, 2005
  14. Comparison theorems for second order nonlinear difference equations
    Journal of Mathematical Analysis and Applications, vol. 306, no. 1, pp. 106–121, 2005
  15. Oscillation of higher order difference equations via comparison
    Glasnik Matematicki, vol. 39, no. 2, pp. 287–299, 2004
  16. Semipositone higher-order differential equations
    Applied Mathematics Letters, vol. 17, no. 2, pp. 201–207, 2004
  17. Linearization of second-order superlinear oscillation theorems
    Mathematical and Computer Modelling, vol. 39, no. 9-10, pp. 1165–1183, 2004
  18. Oscillation theorems for certain functional differential equations of higher order
    Mathematical and Computer Modelling, vol. 39, no. 9-10, pp. 1185–1194, 2004
  19. Discrete semipositone higher-order equations
    Computers & Mathematics with Applications, vol. 45, no. 6-9, pp. 1171–1179, 2003
  20. Nonoscillatory solutions for discrete equations
    Computers & Mathematics with Applications, vol. 45, no. 6-9, pp. 1297–1302, 2003
  21. The oscillation of certain higher-order functional differential equations
    Mathematical and Computer Modelling, vol. 37, no. 7-8, pp. 705–728, 2003
  22. On the Oscillation of Certain Second Order Difference Equations
    The Journal of Difference Equations and Applications, vol. 9, no. 1, pp. 109–119, 2003
  23. Proceedings of the American Mathematical Society, vol. 131, no. 01, pp. 129–141, 2003
  24. NON-OSCILLATORY SOLUTIONS FOR HIGHER ORDER DYNAMIC EQUATIONS
    Journal of the London Mathematical Society, vol. 67, no. 1, pp. 165–179, 2003
  25. Oscillation of some nonlinear difference equations
    Journal of Mathematical Analysis and Applications, 2003
  26. On the oscillation of certain functional differential equations via comparison methods
    Journal of Mathematical Analysis and Applications, vol. 286, no. 2, pp. 577–600, 2003
  27. Nonoscillatory criteria for singular higher order differential equations
    Aequationes Mathematicae, vol. 66, no. 1-2, pp. 180–190, 2003
  28. Oscillations of forced functional differential equations generated by advanced arguments
    Aequationes Mathematicae, vol. 63, no. 1-2, pp. 26–45, 2002
  29. Oscillation ofnth Order Forced Functional Differential Equations
    Mathematische Nachrichten, vol. 238, no. 1, pp. 103–112, 2002
  30. Mathematische Nachrichten, vol. 238, no. 1, pp. 103–112, 2002
  31. Nonoscillatory Solutions of Delay and Neutral Singular Differential Equations
    Applicable Analysis, vol. 81, no. 5, pp. 1221–1244, 2002
  32. Czechoslovak Mathematical Journal, vol. 52, no. 3, pp. 449–461, 2002
  33. Oscillation of certain third-order difference equations
    Computers & Mathematics with Applications, vol. 42, no. 3-5, pp. 379–384, 2001
  34. Oscillation Criteria for Certain nth Order Differential Equations with Deviating Arguments
    Journal of Mathematical Analysis and Applications, vol. 262, no. 2, pp. 601–622, 2001
  35. Forced oscillation of nth-order nonlinear differential equations
    Applied Mathematics Letters, vol. 13, no. 7, pp. 53–57, 2000
  36. Asymptotic stability of differential systems of neutral type
    Applied Mathematics Letters, vol. 13, no. 8, pp. 15–19, 2000
  37. The oscillation of perturbed functional differential equations
    Applied Mathematics Letters, vol. 13, no. 8, pp. 27–30, 2000
  38. Czechoslovak Mathematical Journal, vol. 50, no. 2, pp. 347–358, 2000
  39. Oscillation of higher-order difference equations
    Applied Mathematics Letters, vol. 13, no. 1, pp. 81–88, 2000
  40. The oscillation of systems of difference equations
    Applied Mathematics Letters, vol. 13, no. 2, pp. 1–7, 2000
  41. Asymptotic stability of certain neutral differential equations
    Mathematical and Computer Modelling, vol. 31, no. 8-9, pp. 9–15, 2000
  42. Oscillation of higher-order nonlinear difference equations of neutral type
    Applied Mathematics Letters, vol. 12, no. 8, pp. 77–83, 1999
  43. Oscillation of certain difference equations
    Mathematical and Computer Modelling, vol. 29, no. 8, pp. 1–8, 1999
  44. The oscillation of certain difference equations
    Mathematical and Computer Modelling, vol. 30, no. 1-2, pp. 53–66, 1999
  45. Czechoslovak Mathematical Journal, vol. 49, no. 1, pp. 45–52, 1999
  46. The oscillation of higher-order differential equations with deviating arguments
    Computers & Mathematics with Applications, vol. 38, no. 3-4, pp. 185–199, 1999
  47. Oscillation of certain functional differential equations
    Computers & Mathematics with Applications, vol. 38, no. 5-6, pp. 143–153, 1999
  48. Oscillation theorems for certain neutral functional differential equations
    Computers & Mathematics with Applications, vol. 38, no. 11-12, pp. 1–11, 1999
  49. Oscillation of Certain Neutral Difference Equations of Mixed Type
    Journal of Mathematical Analysis and Applications, vol. 224, no. 2, pp. 241–254, 1998
  50. Oscillation and Nonoscillation Theorems for Certain Second-Order Difference Equations with Forcing Term
    Journal of Mathematical Analysis and Applications, vol. 216, no. 2, pp. 614–625, 1997
  51. Erratum
    Journal of Mathematical Analysis and Applications, vol. 198, no. 3, p. 922, 1996
  52. On the Oscillation of Certain Forced Functional Differential Equations
    Journal of Mathematical Analysis and Applications, vol. 202, no. 2, pp. 555–577, 1996
  53. Oscillation criteria for retarded differential equations with a nonlinear damping term
    Aequationes Mathematicae, vol. 51, no. 1-2, pp. 68–82, 1996
  54. An Oscillation Criterion for Functional Differential Equations with Deviating Arguments
    Journal of Mathematical Analysis and Applications, vol. 192, no. 2, pp. 371–380, 1995
  55. On the Oscillation of Certain Functional Differential Equations
    Journal of Mathematical Analysis and Applications, vol. 194, no. 1, pp. 304–318, 1995
  56. On the Oscillations of Mixed Neutral Equations
    Journal of Mathematical Analysis and Applications, vol. 194, no. 2, pp. 377–388, 1995
  57. Oscillation Criteria of Comparison Type for Nonlinear Functional Differential Equations
    Mathematische Nachrichten, vol. 173, no. 1, pp. 177–192, 1995
  58. Oscillations of mixed neutral functional differential equations
    Applied Mathematics and Computation, vol. 68, no. 1, pp. 1–13, 1995
  59. Oscillation theorems for second order neutral difference equations
    Applied Mathematics and Computation, vol. 62, no. 1, pp. 47–60, 1994
  60. Oscillation of certain functional differential equations
    Computers & Mathematics with Applications, vol. 27, no. 4, pp. 91–98, 1994
  61. Oscillation Criteria for nth Order Neutral Functional Differential Equations
    Journal of Mathematical Analysis and Applications, vol. 184, no. 1, pp. 44–55, 1994
  62. Oscillation Theorems for Certain Functional Differential Equations
    Journal of Mathematical Analysis and Applications, vol. 184, no. 1, pp. 100–111, 1994
  63. Oscillation Theorems for Forced Neutral Difference Equations
    Journal of Mathematical Analysis and Applications, vol. 187, no. 1, pp. 91–106, 1994
  64. Oscillation criteria for damped functional differential equations
    Dynamical Systems, vol. 9, no. 3, pp. 215–222, 1994
  65. An oscillation criterion for functional differential equations with deviating arguments
    Periodica Mathematica Hungarica, vol. 26, no. 3, pp. 187–196, 1993
  66. Oscillation theorems for second order nonlinear functional differential equations with damping
    Computers & Mathematics with Applications, vol. 25, no. 8, pp. 107–113, 1993
  67. Oscillatory and asymptotic behavior of delay differential equations with a nonlinear damping term
    Journal of Mathematical Analysis and Applications, vol. 168, no. 2, pp. 306–318, 1992
  68. Oscillation theorems for nonlinear differential equations of second order
    Journal of Mathematical Analysis and Applications, vol. 171, no. 1, pp. 220–241, 1992
  69. Oscillation theorems for second order neutral functional differential equations
    Applied Mathematics and Computation, vol. 51, no. 2-3, pp. 119–133, 1992
  70. Oscillatory and asymptotic behavior of certain functional differential equations
    Journal of Mathematical Analysis and Applications, vol. 162, no. 1, pp. 177–188, 1991
  71. Oscillatory properties of functional differential equations
    Journal of Mathematical Analysis and Applications, vol. 160, no. 1, pp. 60–78, 1991
  72. Oscillation of functional differential equations with deviating arguments
    Journal of Mathematical Analysis and Applications, vol. 149, no. 2, pp. 558–575, 1990
  73. Integral averaging techniques for the oscillation of second order nonlinear differential equations*1
    Journal of Mathematical Analysis and Applications, vol. 149, no. 1, pp. 277–311, 1990
  74. Oscillation of even order differential equations with deviating arguments
    Journal of Mathematical Analysis and Applications, vol. 147, no. 2, pp. 569–579, 1990
  75. Oscillation criteria for forced functional differential equations with deviating arguments
    Journal of Mathematical Analysis and Applications, vol. 145, no. 1, pp. 63–88, 1990
  76. Asymptotic and oscillatory behavior of solutions of a class of second order differential equations with deviating arguments
    Journal of Mathematical Analysis and Applications, vol. 145, no. 1, pp. 112–136, 1990
  77. Asymptotic and oscillatory behavior of a class of second order functional differential equations
    Rocky Mountain Journal of Mathematics, vol. 20, no. 4, pp. 1063–1077, 1990
  78. Asymptotic and oscillatory behavior of nth order forced functional differential equations
    Journal of Mathematical Analysis and Applications, vol. 140, no. 1, pp. 10–25, 1989
  79. On the oscillatory and asymptotic behavior of even order nonlinear differential equations with retarded arguments
    Journal of Mathematical Analysis and Applications, vol. 137, no. 2, pp. 528–540, 1989
  80. Comparison theorems for forced functional differential equations
    Journal of Mathematical Analysis and Applications, vol. 144, no. 1, pp. 168–182, 1989
  81. Oscillation Theorems for Second Order Nonlinear Differential Equations with Damping
    Mathematische Nachrichten, vol. 141, no. 1, pp. 117–127, 1989
  82. Oscillatory and Asymptotic Behavior of Damped Functional Differential Equations
    Mathematische Nachrichten, vol. 142, no. 1, pp. 297–305, 1989
  83. Comparison and Oscillation Theorems for Functional Differential Equations with Deviating Arguments
    Mathematische Nachrichten, vol. 144, no. 1, pp. 65–79, 1989
  84. Oscillation and Asymptotic Behavior of Solutions of Nonlinear Differential Inequalities with Deviating Argument
    Mathematische Nachrichten, vol. 136, no. 1, pp. 157–162, 1988
  85. Oscillation Theorems forn-th Order Nonlinear Differential Equations with Deviating Arguments
    Mathematische Nachrichten, vol. 138, no. 1, pp. 255–262, 1988
  86. Oscillations in second order differential equations with alternating coefficients
    Periodica Mathematica Hungarica, vol. 19, no. 1, pp. 69–78, 1988
  87. Integral averaging and the oscillation of second order nonlinear differential equations
    Annali di Matematica Pura ed Applicata, vol. 151, no. 1, pp. 149–159, 1988
  88. Oscillation theorems for damped-forced nth order nonlinear differential equations with deviating arguments
    Journal of Mathematical Analysis and Applications, vol. 136, no. 1, pp. 54–65, 1988
  89. Addendum: Oscillation Theorems for Nonlinear Second-Order Differential Equations with a Nonlinear Damping Term
    SIAM Journal on Mathematical Analysis, vol. 19, no. 5, p. 1252, 1988
  90. Oscillation theorems for second order nonlinear differential equations with deviating arguments
    International Journal of Mathematics and Mathematical Sciences, vol. 10, no. 1, pp. 35–45, 1987
  91. Oscillation theorems for second order nonlinear differential equations
    Journal of Mathematical Analysis and Applications, vol. 124, no. 1, pp. 213–224, 1987
  92. An oscillation criterion for certain second order strongly sublinear differential equations
    Journal of Mathematical Analysis and Applications, vol. 123, no. 2, pp. 584–588, 1987
  93. Corrigendum
    Journal of Mathematical Analysis and Applications, vol. 123, no. 2, p. 606, 1987
  94. Some oscillation criteria for delay differential equations of even order
    Journal of Mathematical Analysis and Applications, vol. 119, no. 1-2, pp. 164–170, 1986
  95. A comparison theorem for general nonlinear ordinary differential equations
    Journal of Mathematical Analysis and Applications, vol. 120, no. 1, pp. 39–43, 1986
  96. Comparison theorems for difference inequalities
    Journal of Mathematical Analysis and Applications, vol. 113, no. 2, pp. 468–472, 1986
  97. Erratum
    Journal of Mathematical Analysis and Applications, vol. 113, no. 1, p. 309, 1986
  98. Oscillatory Behavior of Solutions of Second Order Differential Equations with Alternating Coefficients
    Mathematische Nachrichten, vol. 127, no. 1, pp. 165–175, 1986
  99. Oscillatory solutions of functional differential equations generated by deviation of arguments of mixed type
    Journal of Mathematical Analysis and Applications, vol. 108, no. 1, pp. 79–91, 1985
  100. Oscillation theorems for certain delay differential inequalities
    Journal of Mathematical Analysis and Applications, vol. 106, no. 2, pp. 414–426, 1985
  101. On oscillation and nonoscillation of general functional differential equations*1
    Journal of Mathematical Analysis and Applications, vol. 109, no. 2, pp. 522–533, 1985
  102. Oscillatory and asymptotic behavior of solutions of differential equations with deviating arguments
    Journal of Mathematical Analysis and Applications, vol. 104, no. 1, pp. 79–94, 1984
  103. Oscillation theorems for th-order differential equations with deviating arguments
    Journal of Mathematical Analysis and Applications, vol. 101, no. 1, pp. 268–296, 1984
  104. Oscillation and convergence to zero of solutions of damped second-order nonlinear differential equations
    Journal of Mathematical Analysis and Applications, vol. 102, no. 2, pp. 539–548, 1984
  105. Oscillation Theorems for nth Order Nonlinear Differential Equations with Deviating Arguments
    Proceedings of the American Mathematical Society, vol. 90, no. 1, p. 65, 1984
  106. SIAM Journal on Mathematical Analysis, vol. 15, no. 2, Article ID 0515024, 1984
  107. Oscillation Theorems for Nonlinear Second Order Differential Equations with a Nonlinear Damping Term
    SIAM Journal on Mathematical Analysis, vol. 15, no. 6, p. 1082, 1984
  108. Oscillation theorems for nth order nonlinear functional differential equations
    Journal of Mathematical Analysis and Applications, vol. 94, no. 2, pp. 509–524, 1983
  109. On oscillation of solutions of higher order forced functional differential inequalities
    Journal of Mathematical Analysis and Applications, vol. 94, no. 2, pp. 525–535, 1983
  110. On oscillation of solutions of nth-order delay differential equations*1
    Journal of Mathematical Analysis and Applications, vol. 91, no. 2, pp. 328–339, 1983
  111. Oscillation theorems for nth-order delay differential equations
    Journal of Mathematical Analysis and Applications, vol. 91, no. 2, pp. 352–366, 1983
  112. Errata
    Journal of Mathematical Analysis and Applications, vol. 85, no. 2, p. 626, 1982
  113. A note on Ladas' paper: Oscillatory effect of retarded actions
    Journal of Mathematical Analysis and Applications, vol. 88, no. 1, pp. 257–264, 1982
  114. A note on Grace and Lalli's paper
    Journal of Mathematical Analysis and Applications, vol. 86, no. 2, pp. 471–475, 1982
  115. Asymptotic behaviour of certain second order integro-differential equations
    Journal of Mathematical Analysis and Applications, vol. 76, no. 1, pp. 84–90, 1980
  116. Oscillation theorems for certain second order perturbed nonlinear differential equations
    Journal of Mathematical Analysis and Applications, vol. 77, no. 1, pp. 205–214, 1980