Publication List

Books

1. N.U. Ahmed, K.L. Teo, "Optimal Control of Distributed Parameter Systems", Elsevier North Holland, New York, 1981 (pages: 443).

2. N.U. Ahmed, "Elements of Finite Dimensional System and Control Theory", Vol. 37, Pitman Monographs and Surveys in Pure and Applied Mathematics, Longman Scientific and Technical, London - New York, 1988 (pages: 421).

3. N.U. Ahmed, "Optimization and Identification of Systems Governed by Evolution Equations on Banach Space", Pitman Research Notes in Mathematics Series, Vol. 184, Longman Scientific and Technical U.K.; John Wiley & Sons, London - New York, 1988 (pages: 187).

4. N.U. Ahmed, "Semigroup-Group Theory with Applications to Systems and Control", Pitman Research Notes in Mathematics Series, Vol. 246, Longman Scientific and Technical U.K.; John Wiley & Sons, London - New York, 1991 (pages: 282).

5. N.U.Ahmed, Linear and Nonlinear Filtering for Scientists and Engineers, World Scientific Publishers, Singapore, New Jersey, London, Hong Kong (1999), (pages 256).

6. N.U.Ahmed, Dynamic Systems and Control with Applications,  World Scientific Publishers, New Jersey,   London,Singapore,Beijing,Shanghai, Hong Kong,Taipei,Chennai (2006), (pages 450). 

7. N.U.Ahmed, Generalized Functionals of Brownian Motion and Their Applications,   World Scientific Publishers, New Jersey,   London,Singapore,Beijing,Shanghai, Hong Kong,Taipei,Chennai (2012), (pages 299).

Refereed Journal Papers

1.    N.U. Ahmed and M.S. Khan, "Transistor  Characteristic Display Monitor", The Nucleus, Vol.3, No. 6, p. 107-108, (1966).

2. N.U. Ahmed "Human Brain: A System of Nonlinear Oscillators", Nuclear Science and Applications,Vol. 2, pp.26-31, (1966).

3. N.U. Ahmed "Fourier Analysis on Wiener Measure space", J. Franklin Inst., Vol. 286, No. 2, pp.143-151, (Aug. 1968).

4. N.U. Ahmed "An Algebra of Nonlinear Operators on L2 Spaces", Pak. J. of Scientific and Industrial Research, Vol. 11, No. 4, pp. 348-351, (Oct. 1968).

5. N.U. Ahmed "Some Novel Properties of Wiener's Canonical Expansion", IEEE Trans. SSC, Vol. 5, No. 2, pp. 140-144, (April 1969).

6. N.U. Ahmed "A Class of Stochastic Nonlinear Integral Equations on Lp spaces and its Application to Optimal Control", J. Inf. and Control, Vol. 14, No. 6, pp. 512-523, (June 1969).

7. N.U. Ahmed and G.S. Glinski, "A Sequence of Probability Functions on Euclidean Space and the Limit", J. Franklin, Inst. Vol. 288, No. 2, pp. 151-156, (Aug. 1969).

8. N.U. Ahmed "A Functional Analysis Method for Estimating the Settling Time of Time Varying Systems", J. Engineering Math., Vol. 3, No. 4, pp. 337-343, (October 1969).

9. N.U. Ahmed "On the Lp(p >= 1) Stability of a Class of Nonlinear Systems", Proc. IEEE, Vol.57, No. 10, pp. 1795-1797, (October 1969).

10. N.U. Ahmed "Optimal Control of a Class of Nonlinear Systems on Hilbert Space Trans. A.C.", IEEE, Vol. 14, No. 6, pp. 711-714, (Dec. 1969).

11. N.U. Ahmed "Closure and Completeness of Wiener's Orthogonal Set {Gn } in the Class L2 (?, B, µ) and its Application to Stochastic Hereditary Differential Systems", J. Inf. Control, Vol. 17, No. 2, pp. 161-1764, (Sept. 1970).

12. N.U. Ahmed "Comments on an Adaptive Pattern Classification", IEEE Trans. S.M.C., Vol. 12, No. 1, pp. 83-84, (Jan. 1971) (Co-authors V. Gourishankar, J.W. Enerson, Univ. of Alberta).

13. N.U. Ahmed and S.G.S.Shiva, "A Note on the Measure of Self-information", Int. J. of Elect. Eng. Education, Vol. 9, pp. 215-216, (June 1971).

14. N.U. Ahmed "Lp and Orlicz Stability of a Class of Nonlinear Time Varying Feedback Control Systems", J. Inf. and Control, Vol. 19, No. 2, pp. 114-123, (Sept. 1971).

15. N.U. Ahmed "On the Stability of a Class on Nonlinear Stochastic Systems", J. Inf. Control, Vol. 20, No. 3, pp. 276-293, (April 1972) (co-author K.L. Teo, Grad. Student).

16. N.D.Georganas and N.U. Ahmed "Follow-up Controls for Hereditary Systems", Int. J. Systems Sciences, Vol. 4, No. 1, pp. 59-64 (Jan. 1973).

17. N.U. Ahmed "Optimal Control of Stochastic Dynamical Systems", J. Inf. Control, Vol. 22, No. l, pp. 13-30, Feb. 1973.

18. S.G.S. Shiva and N.D. Georganas and N.U. Ahmed "Order Preserving Measures of Information", J. Applied Probability, Vol. 10, No. 3, pp. 666-670, (Sept. 1973)

19. N.U. Ahmed and N.D.Georganas, "Comments on Invariance in Linear Estimators", J. Math. Analysis and Applications, Vol. 44, No. 1, pp. 98-99, (Oct. 1973).

20. N.D.Georganas and N.U.Ahmed, On a Case of Dynamic Feedback Optimization", Int. J. Systems Sciences, Vol. 14, No. 3, pp. 613-616 (1973).

21. N.D. Georganas and N.U.Ahmed, "Optimal Initial Data and Control for a Class of Linear Hereditary Systems", J. Inf. Control, Vol. 22, No. 4, pp. 399-402, (1973).

22. N.U.Ahmed and N.D.Georganas, "Optimal Control of a Dynamic Aquatic Ecosystem", J. Fisheries Research Board of Canada, Vol. 30, No. 4, pp. 576-579, (1973) .

23. N.U.Ahmed and N.D. Georganas, "On Optimal Parameter Selection", Trans. IEEE Vol. AC-18, No. 3, pp. 313-314, (June 1973).

24. N.U.Ahmed "Strong and Weak Synthesis of Nonlinear Systems on the Systems Space Gl", J. Inf. Control, Vol. 23, No. 1, pp. 71-85, (Aug. 1973).

25. N.U.Ahmed "On Optimum Phase Locked Loop", Int. J. Electronics, Vol. 36, No. 2, pp. 253-259, (1973).

26. N.U.Ahmed and K.L. Teo, "On Almost Sure and Almost Uniform Lp(p = 1) Stability", Int. J. Systems Sc., Vol. 4, No. 5, pp. 803-808, (1973).

27. N.U.Ahmed and K.L. Teo, "Weak Compactness of Conditional Probability Measures and its Application to Stochastic Linear Control Problems", Int. J. Systems, Sc. Vol. 5, No. 1, pp. 67-71 (1973) .

28. N.U.Ahmed "Optimal Control for a Class of Hereditary Dynamical Systems", Int. J. Systems, Sc. Vol. 5, No. 1, pp. 73-82, (1973).

29. N.U.Ahmed and K.L. Teo, "An Existence Theorem on Optimal Control of Partially Observable Diffusions", SIAM Journal on Control, Vol. 12, No. 3, pp. 351-355, (Aug. 1974).

30. N.U.Ahmed, "Optimal Control of a Class of Hereditary Systems with Lagging Control", Int. J. of Systems, Sc. Vol. 5, No. 3, pp. 287-293 (1974).

31. N.U.Ahmed, "Certain Topological Properties of Stochastic Processes Generated by a Family of Stochastic Ito Differential Equations", J. Ricerche di Automatica, Vol. 4, No. 1, pp. 1-13 (July, 1973).

32. N.U.Ahmed and K.L.Teo, "Optimal Feedback Control of Stochastic McShane Differential Systems", J. Applied Probability, Vol. 11, No. 2, pp. 302-309 (June 1974) .

33. N.U.Ahmed and K.L.Teo, "Optimal Feedback Control for a Class of Stochastic Systems", Int. J. Systems, Sc. Vol. 5, No. 4, pp. 357-365, (1974).

34. N.U.Ahmed and K.L. Teo, "Stochastic Bang-Bang Control", IEEE Trans. Automatic Control,Vol. 19, No. 1, pp. 73-75 (Feb. 1974.

35. N.U.Ahmed, K.L. Teo and H.W. Wong, "On Optimal Parameter Selection for Parabolic Differential Systems", IEEE Trans. Automatic Control, Vol. 19, No. 3, pp. 286-287, (1974).

36. N.U.Ahmed, "Book Review (Invited by the IEEE Information Dissemination Committee), Optimal Control of Differential and Functional Equations, by J. Warga", Vol. 19, No. 2, pp. 174-175 (1974).

37. N.U.Ahmed, "Existence of Optimal Controls with Frequency Constraints in the Absence of Convexity", Int. J. Systems Sciences, Vol. 5, No. 12, pp. 1165-1178, (1974).

38. N.U.Ahmed, "Existence of Optimal Control for a Class of Hereditary Systems with Lagging Control", J. Information and Control, Vol. 26, No. 2, pp. 178-185, (Oct. 1974).

39. N.U.Ahmed, "Solution of Generalized Stochastic Optimization Problems", Int. J. Systems Sciences, Vol. 6, No. 2, pp. 133-156 (1975).

40. N.U.Ahmed, "Optimal Control of an Economic System Modeled on the Basis of Cyclical Growth Theory", Int. J. of Control, Vol. 25, No. 6, pp. 827-835 (1977) (Co-authors G.J. Jutras, S.H. Yeo).

41. N.U.Ahmed, "Comments on a Selector Theorem in Banach Spaces", J. of Optimization Theory and Applications (JOTA), Vol. 19, No. 1, p. 117-118 (1976).

42. N.U.Ahmed and K.L. Teo,"Necessary Conditions for Optimality of Cauchy Problem for Parabolic Partial Differential Systems", SIAM J. of Control, Vol. 13, No. 5, pp. 981-993, (1975).

43. N.U.Ahmed, "Optimal Control of Stochastic Ito Differential Systems with Fixed Terminal Time", Advances in Applied Probability, Vol. 7, No. 1, pp. 154-178, March Issue 1975.

44. N.U.Ahmed and K.L. Teo, "On Optimal Parameter Selection for Stochastic Ito-Differential Systems", Int. J. of Systems Science, Vol. 6, No. 8, pp. 749-754 (1975)

45. N.U.Ahmed and P.H. Chang, "An Optimum Phase-Locked Loop with a Non-Ideal Filter", Int. J. of Electronics, Vol. 38, No. 3, pp. 331-336 (1975).

46. N.U.Ahmed, "An Approximation Theorem for Continuous Functions on Lp Spaces Including Representation", J. Information and Control, Vol. 30, No. 2, pp. 143-149.

47. N.U.Ahmed and M.Aboud, "Optimum Design of a Feedback Controller for Phase-Locked-Loop", IEEE Trans. Comm. Soc., Vol. 23, No. 12, pp. 1521-25 (Dec. 1975)

48. N.U.Ahmed, "A Simple Gradient Algorithm for Least Squares Estimation of System Parameters", Int. J. of Systems Sc. Vol. . 7, No. 6, pp. 673-677 (1976).

49. N.U.Ahmed, "Existence of Optimal Band Limited Controls Without Convexity Condition", J. Information and Control, Vol. 31, No. 3, pp. 201-215.

50. N.U.Ahmed and K.L. Teo, "On Optimal Control of Systems Governed by Quasilinear Integropartial Differential Equations of Parabolic Type", (JMAA) Jr. of Math. Analysis and Applications, 59, 1, (1977), pp. 33-59.

51. N.U.Ahmed and A.K. Sen,"Fuel Savings in the Whecon Attitude Control System Using an Asymetric Controller", IEEE Trans. on Aerospace and Elect. Systems, Vol. AES-12, No. 3, 1976.

52. N.U.Ahmed, "Optimal Control of a Class of Strongly Nonlinear Parabolic Systems", (JMAA) Jr. of Math Analysis and Appl., 61, 1, (1977), pp. 188-207.

53. N.U.Ahmed, "A Note on Satellite Dynamics", IEEE Trans. Aerospace, Vol. AES-12, No. 6, pp. 819-822, 1976 (Co-author A. Guibord), 1976.

54. N.U.Ahmed, "Optimal Control of Systems Governed by a Class of Nonlinear Evolution Equations in a Reflexive Banach Space", Jr. Optimization Theory and Applications, Vol. 25, No. 1, (1978), pp. 57-81.

55. H.W. Wong and N.U.Ahmed, "Optimal Control of Precession of Spin Stabilized Satellite Subject to Random Perturbation", IEEE Trans. Aerospace and Elect. Sys., Vol. 13, No. 2, (1977), pp. 172-179 .

56. N.U.Ahmed, "Optimal Control of Generating Policies in a Power System Governed by a Second Order Hyperbolic Partial Differential Equation", SIAM J. on Contr. and Opt., Vol. 15, No. 6, (1977), pp. 1016-1033, (also presented at the JACC Conf. 1977).

57. N.U.Ahmed and K.L. Teo, "LP (p = 1) Stability in the Mean m(m = 1) of a Class of Stochastic Volterra Integral Equations", Information Sciences, Vol. 12, (1977), pp. 129-150.

58. N.U.Ahmed and A. Guibord, "Non-Saturating Open Loop and Feedback Controls", IEEE Trans, Aerospace, AES-15, 1, (1979), pp. 199-203.

59. N.U.Ahmed, "Stability Analysis of a Transmission Line with Variable Parameters", IEEE Trans, Circuit and Systems, CAS 25, 10, (1978), pp. 878-885.

60. N.U.Ahmed, "Optimal Availability of Maintainable Systems", IEEE Trans. on Reliability, R-27, 1, (1978), pp. 41-45.

61. N.U.Ahmed and K.L. Teo, "On the Optimal Controls of a Class of Systems Governed by Second Order Parabolic Partial Delay-Differential Equations with First Boundary Conditions", Annali D. Mathematica Pura Ed Applicata, 7, 5, (1979), pp. 361-392 .

62. N.U.Ahmed, "Nonlinear Integral Equations on Reflexive Banach Spaces with Applications to Stochastic Integral Equations and Abstract Evolution Equations", Journal of Integral Equations, 1, 1, (1979), pp. 1-15.

63. N.U.Ahmed, "Some Comments on Optimal Control of a Class of Strongly Nonlinear Parabolic Systems", J. of Math. Anal. and Appl. 68, 2, (1979), pp. 595-598.

64. N.U.Ahmed, "Optimal Control of Stochastic Systems", Probabilistic Analysis and Related Topics, (ed. A. T. Bharucha-Reid), Academic Press Series, Vol. 2, (1979), pp. 1-68.

65. N.U.Ahmed, "Stability and Control of a Trap Mode in Synchronous Orbit", IEEE Trans. AES 16, 4, (1980), pp. 474-480.

66. N.U.Ahmed and A.K. Sen, "Closed Loop Control of Synchronous Orbit Using Lyapunov Theory", IEEE Trans. AES 17, 1, (Jan. 1981), pp. 48-53.

67. N.U.Ahmed, "Stochastic Control on Hilbert Space for Linear Evolution Equations with Random Operator Valued Co-Efficients", SIAM Journal of Control and Optimization, Vol. 19, 3, pp. 401-430, (1981).

68. N.U.Ahmed, "Necessary Conditions of Optimality for a Class of Second-Order Hyperbolic Systems with Spatially Dependent Controls in the Coefficients", J. Opt. Th. and Appl., 38, pp. 423-446, 1982.

69. N.U.Ahmed, "Nonlinear Optimal Feedback Regulation of Satellite Angular Moments", IEEE Trans. AES, 18, pp. 1-10, 1982.

70. N.U.Ahmed, "Stability of a Class of Stochastic Distributed Parameter Systems with Random Boundary Conditions", J. of Math., Analysis & Appl., Vol. 92, No. 1, March 1983, pp. 274-298.

71. N.U.Ahmed, "Modeling of Flexible Spacecraft and Their Stabilization", International J. of Systems Science, Vol. 16, No. 5, pp. 535-551, 1985 (Co-author S.K. Biswas).

72. N.U.Ahmed, "Sufficient Conditions for Controllability of a Class of Distributed Parameter Systems", J. Systems and Control Letters, 2 (1982), pp. 237-242.

73. N.U.Ahmed and Y.C.Chen, "An Application of Optimal Control Theory in Fisheries Management", Int J. Systems Sc., Vol. 14, No. 4, 453-462 (1983).

74. N.U.Ahmed, "Optimal Voltage Regulation of Power Systems Under Transient Conditions", Elec. Power Systems Research 6, pp. 71-77 (1983) (Co-author S.K. Biswas).

75. N.U.Ahmed and T.E. Dabbous, "Modeling and Control of Reliability Dynamics of Large Scale Interconnected Power Systems", Int. J. System Sc., Vol. 14, No. 2, pp. 1321-1353, 1983.

76. N.U.Ahmed and M.M. Mittal, "Time Domain Modeling and Digital Simulation of Variable Frequency AC Motor Speed Control Using PPL Technique", IEEE Trans. on Industry Appl., Vol IA-19, No. 2, pp. 174-180 (1983).

77. N.U.Ahmed and S. Roy, "Power System Voltage Regulation Based on Voltage Feedback Using a Dynamic Capacitor", Elect. Power Systems Research, 6, pp. 81-100 (1983) .

78. N.U.Ahmed, "A New Class of Generalized Nonlinear Functionals of White Noise with Application to Random Integral Equations", J. Stock. Analysis and Appl., 1(2), pp. 139-158 (1983).

79. N.U.Ahmed, "Properties of Relaxed Trajectories for a Class of Nonlinear Evolution Equations on Banach Space", Siam J. of Control and Optimization, Vol. 21, No. 6, pp. 953-967, (Nov) 1983.

80. N.U.Ahmed and S.K. Biswas, "Existence of Solutions and Stability of a Class of Parabolic Systems Perturbed by Generalized White Noise on the Boundary", J. Stoch. Analysis and Appl., 2 (4), pp. 347-368 (1984).

81. N.U.Ahmed and T.E.Dabbous, "Non-linear Filtering of Diffusion Processes with Discontinuous Observations", J. Stoch. Analysis and Appl., 2 (4), pp. 87-106, (1984).

82. N.U.Ahmed and W. Colmeneres, "A Controllability Counter-Example", Int. J. Systems Sci., Vol. 15, No. 8, pp. 837-840, (1984) .

83. N.U.Ahmed, "Generalized Solutions via Integral Equations for Quasi-Linear Non homogeneous Parabolic Boundary Value Problems and Their Stochastic Versions", J. Integral Equations 6, pp. 143-158 (1984).

84. N.U.Ahmed, "On the Maximum Principle for Time-Optimal Controls for a Class of Distributed-Boundary Control Problems", J. Opt. Th. and Appl., Vol. 45, No. 1, pp. 147-157 (1985).

85. N.U.Ahmed, "Finite-Time Null Controllability for a Class of Linear Evolution Equations on a Banach Space with Control Constraints", J. Opt. Th. and Appl., Vol. 47, No. 2, pp. 129-158 (1985).

86. N.U.Ahmed , S.S. Lim and K.F. Schenk, "Dynamic Optimal Economic Dispatch Under System Availability Constraints", Elect. Power System Research 9, pp. 11-27 (1985).

87. "Dynamic Optimal Economic Dispatch Under System Availability Constraints and Transmission Losses", Elect. Power Systems Research 9, pp. 63-72 (1985) (Co-author S.S. Lim).

88. N.U.Ahmed and Q. Ahsan, "A Dynamic Model for Generation Expansion Planning", Elect. Power Systems Research 9, pp. 79-86 (1985) .

89. N.U.Ahmed, and T.E.Dabbous, "Nonlinear Filtering of Systems Governed by Ito Differential Equations with Jump Parameters", Journal of Mathematical Analysis and Applications, Vol. 115, No. 1, pp. 76-92, 1986 .

90. N.U.Ahmed, "Abstract Stochastic Evolution Equations on Banach Spaces", J. Stoch. Analysis and Applications, 3, 4, pp. 397-432 (1985).

91. N.U.Ahmed and S.K. Biswas, "Stabilization of Systems Governed by the Wave Equation in the Presence of Distributed White Noise", in IEEE Trans. Auto Contr., Vol. AC-30, No. 9, pp. 1043-1045 (1985) .

92. N.U.Ahmed,"Existence of Optimal Controls for a Class of Systems Governed by Differential Inclusions on a Banach Space", J. Opt. Th. and Appl., Vol. 50, No. 2, pp. 213-237, August (1986).

93. N.U.Ahmed, "Stability of a Class of Hybrid Systems Arising in Flexible Space-craft", J. of Optimization Theory and Applications, Vol. 50, No. 1, pp. 83-108, July (1986) (Co-author S.K. Biswas).

94. N.U.Ahmed, H. Riaz, S.K. Biswas "Stochastic Modeling and Stabilization of Galloping Transmission Lines", J. Electric Power Systems Research, Vol. 10, No. 2, pp.137-143, (1986) .

95. N.U.Ahmed,"Stabilizability of Certain Stochastic Systems", International J. of Systems Science, Vol. 17, No. 8, pp. 1175-1185, (1986).

96. N.U.Ahmed and S.K. Biswas, "Optimal Feedback Control of Power Systems Governed by Nonlinear Dynamics", J. of Optimal Control Applications and Methods, Vol. 7, pp. 289-303, 1986 .

97. N.U.Ahmed, and Z.Y. Gao, "Feedback Stabilizability of Nonlinear Stochastic Systems with State Dependent Noise", Int. J. of Control, 45, 2, pp. 729-737 (1987).

98. N.U.Ahmed,"Identification of Linear Operators in Differential Equations on Banach Space", in "Operator Methods for Optimal Control Problems" (edited by S.J. Lee), Marcel Dekker Inc., Notes in Pure and Applied Mathematics, Vol. 108, Marcel Dekker Inc., New York (1987).

99. N.U.Ahmed,"Existence of Optimal Relaxed Controls for Differential Inclusions on Banach Space", "Nonlinear Analysis and Applications" (edited by V. Lakshmikantham), Marcel Dekker, Lecture Notes in Pure and Applied Mathematics, Vol. 109, Marcel Dekker Inc., New York, 1987.

100. N.U.Ahmed,"Abstract Stochastic Evolution Equations and Related Control and Stability Problems", Springer-Verlag Lecture Notes on Control and Information Sciences, (Edited by I. Lasiecka, R. Triggiani),Vol. 97, pp. 107-120, 1987.

101. N.U.Ahmed, T.E. Dabbous, H.W. Wong "Gradient Method for Computing Optimal Controls for Stochastic Differential Equations", Journal of Stochastic Analysis and Applications, Vol. 5, No. 2, pp. 121-150, 1987 .

102. N.U.Ahmed, H.Riaz and S.K.Biswas "Modal Dynamics and Stabilizer Design for Galloping Transmission Lines", J. Electric Power Systems Research, Vol. 12, pp. 175-182, 1987 .

103. N.U.Ahmed, T.E. Dabbous and Y.W. Lee "Dynamic Routing for Computer Queuing Networks", International J. of Systems Science, Vol. 19, No. 6, 1988, pp. 967-977.

104. T.E.Dabbous, N.U.Ahmed, J.C.McMillan and D.F. Liang, "Filtering of Discontinuous Processes Arising in Marine Integrated Navigation Systems", IEEE Trans. on Aerospace and Electronic Systems, Vol. 24, No. 1, 1988, pp. 85-102.

105. N.U.Ahmed and S.S.Lim,"Stabilizing Control for Flexible Spacecraft Under the Influence of Orbital Perturbation", Int. J. of Science and Technology, Vol. 1, No. 2, 1988, pp. 5-20.

106. S.K.Biswas and N.U.Ahmed, "Mathematical Modeling and Control of Large Space Structures with Multiple Appendages", J. Mathematical and Computer Modeling, Vol. 10, No. 12, pp 891-900, 1988.

107. N.U.Ahmed and P. Li, "On Exponential Stability of Infinite Dimensional Linear Systems with Bounded or Unbounded Perturbations", J. Applicable Analysis, Vol. 30, pp. 175-187, 1988 .

108. T.Sellami and N.U.Ahmed,"An Algorithm for Computing Time-Optimal Controls with Examples from Robotics and Ecology", Journal of Mathematical Engineering in Industry, Vol. 2, No.2, pp. 113-125, 1989 .

109. N.U.Ahmed and S.S.Lim, "Mathematical Modeling and Stabilization of Large Flexible Spacecraft Subject to Orbital Perturbation", Mathematical and Computer Modeling, Vol. 12, No. 12, pp. 1487-1504, 1989 .

110. Peng. Li and N.U.Ahmed, "A Note on Stability of Stochastic Systems with Unbounded Perturbations", Stochastic Analysis and Applications, Vol. 7, No.4, pp. 425-434, 1990.

111. S.K. Biswas and N.U.Ahmed, "Optimal Control of Large Space Structures Governed by a Coupled System of Ordinary and Partial Differential Equations", Journal of Mathematics of Control, Signals and Systems, Vol.2, pp. 1-18, 1989, Temple University, U.S.A.

112. K.L. Teo, N.U. Ahmed and M.E. Fisher, "Optimal Feedback Control for Linear Stochastic Systems Driven by Counting Processes", Journal of Engineering Optimization", Vol. 15, No.1, pp. 1-16, 1990.

113. N.U. Ahmed, "Stochastic Initial Boundary Value Problems for a Class of Second Order Evolution Equations, Differential Equations & Applications", Ohio University Press, Vol. 1, pp. 13-19, 1989.

114. N.U. Ahmed and Peng. Li, "Invariance of Asymptotic Stability of Perturbed Linear Systems on Hilbert Space", Journal of Optimization Theory & Applications, Vol. 68, No. 1, pp. 75-93, 1991.

115. N.U.Ahmed and Peng. Li, "Feedback Stabilization for Perturbed Linear Systems", J. Optimization, D.D.R., Vol. 21, No. 6, pp. 913-924 , 1990.

116. N.U.Ahmed, T.E. Dabbous and S.S. Lim, "Linear Filtering for a Class of Jump Processes Arising in Navigation Systems", IMA Journal of Mathematical Control & Information, Vol.7, pp.269-292, 1990.

117. P.Li, and N.U. Ahmed, "Feedback Stabilization of Some Nonlinear Stochastic Systems on Hilbert Space", Journal of Nonlinear Analysis: Theory, Methods and Applications, Vol. 17, No. 1, pp 31-43, 1991 (Co-author P. Li).

118. J.Y. Lin and N.U.Ahmed, "An approach on Controllability Problems for Singular Systems", International Journal of Systems Science, Vol. 22, No. 4, pp. 675-690, 1991.

119. N.U. Ahmed, "Stability of Limit Measures Induced by Stochastic Differential Equations on Hilbert Space", Journal of Computers and Mathematics with Applications (CAMWA), Vol.. 22, No. 8, pp 41-48. 1991.

120. N.U. Ahmed and W. Chouikha, "Congestion Control Using Dynamic Routing and Flow Control", Journal of Stochastic Analysis and Applications, Vol.10, No 2, pp123-142.

121. N.U.Ahmed and P.Li, "Quadratic Regulator Theory and Linear Filtering under System constraints", Journal of Mathematical Control and Information, Vol.8, pp. 93-107, 1991.

122. S.S. Lim and N.U. Ahmed, "Modeling and Control of Flexible Space Stations" Journal of Dynamics and Control, Vol.2,pp 5-33,1992.

123. N.U. Ahmed and A. N. Mouadeb, "Optimal Regulators for Linear Systems with no Control Cost", Journal of Dynamics and Control, Vol. 1, pp. 341-355, 1991.

124. N.U. Ahmed, "Nonlinear Evolution Equations on Banach Space", Journal of Applied Mathematics and Stochastic Analysis, Vol.4, No. 3, pp. 187-202, 1991.

125. N.U. Ahmed and X. Xiang, "Existence of Periodic Solutions for Semilinear Evolution Equations with Time-lags," Journal of Nonlinear Analysis, Theory, Methods and Applications , Vol.18, No.11 ,pp1063-1070,(1992).

126. P.Li and N.U.Ahmed, "Stabilization of Some Distributed Parameter Systems IEEE Transactions on Automatic Control", Vol.37,No.8,pp1184-1188, (1992.

127. "Semilinear and Quasilinear Stochastic Differential Equations in Banach Spaces, Series in Applicable Analysis-Recent Trends in Differential Equations, (Editor, R.P. Agarwal), Vol.1, pp1-14, 1992

128. N.U. Ahmed and T.E. Dabbous, "Parameter Identification for Partially Observed Diffusions", Journal of Optimization Theory and Apllications (JOTA), Vol.75, No.1, pp33-50, 1992.

129. N.U. Ahmed, "An Existence Theorem for Stochastic Nonlinear Evolution Equations on Banach Space", Journal of Stochastic Analysis and Applications, Vol.10, No.4, pp 379-385,1992.

130. N.U. Ahmed, "An Existence Theorem for Differential Inclusions on Banach Space", Journal of Applied Mathematics and Stochastic Analysis, Vol.5,No2, pp 123-130, 1992.

131. N.U. Ahmed, "Partially Observed Optimal Relaxed Feedback Controls for Infinite Dimensional Systems", IMACS Transactions.

132. N.U.Ahmed and X. Xiang, Admissible Relaxation in Optimal Control Problems for Infinite Dimensional Uncertain Systems, Journal of Applied Mathematics and Stochastic Analysis,Vol.5,No.3, pp 227-236, 1992.

133. N.U.Ahmed, Optimal Control of Hydrodynamic Flow with Possible Applications to Artificial Heart, Dynamic Systems and Applications, Vol.1, pp.103-120, 1992.

134. N.U.Ahmed, Distributed Parameter Systems, Encyclopedia of Physical Science and Technology, Vol. 5, pp. 277-300, 1992.

135. N.U. Ahmed, and J.M.Skowronski), Stability and Control of Nonlinear Flexible Systems, J. of Dynamic Systems and Applications, Vol.2, No.2, pp149-162, 1993),

136. N.U.Ahmed, and X. Xiang, Properties of Relaxed Trajectories of Evolution Equations and Optimal Controls, SIAM. J. on Control and Optimization, Vol. 31, pp 1135-1142, 1993.

137. N.,U. Ahmed, Nonlinear Stochastic Differential Inclusions on Banach Space, J. of Stochastic Analysis and Applications, Vol 12, No 1, pp1-10, 1994..

138. N.U.Ahmed and X. Xiang, Optimal Control of Infinite Dimensional Uncertain Systems, Journal of Optimization Theory and Applications (JOTA),Vol. 80, No.2, pp 261-272, 1994 .

139. Generalized Functionals of Brownian Motion, Special Issue of the Journal of Applied Mathematics and Stochastic Analysis , Vol.7, No III, pp 247-267,1994.

140. N. U. Ahmed, Optimal Relaxed Controls For Nonlinear Infinite Dimensional Stochastic Differential Inclusions, Marcel Dekker, Lecture Notes in Pure and Applied Mathematics, Vol 180, pp 1-19, 1994.

141. N. U. Ahmed, and X. Xiang, Existence of Solutions For a Class of Nonlinear Evolution Equations with Nonmonotone Perturbations, Journal of Nonlinear Analysis, Theory, Methods and Applications, Vol 22, No 1, pp 81-89, 1994.

142. T.Yeap and N.U.Ahmed, Feedback Control of Chaotic Systems, Journal of Dynamics and Control, Vol 4, pp 97-114, 1993.

143. N.U.Ahmed, Optimal Control of Infinite Dimensional Systems Governed by Integro Differential Equations, Marcel Dekker, Lecture Notes in Pure and Applied Mathematics, Differential Equations, Dynamical Systems and Control Sciences, Vol 152, pp 383- 402., (1993), p123-136.

144. N.U.Ahmed, and Kerbal Sebti, Optimal Control of Nonlinear Second Order Evolution Equations, Journal of Applied Mathematics and Stochastic Analysis, Vol 6, no2, 1993

145. N.U.Ahmed, S.M.Radaideh, Modified Extended Kalman Filtering, IEEE Trans. on Automatic Control, Vol 39, No 6, pp 1322-1326, 1994.

146. N.U.Ahmed and Xinhong. Ding, " On Invariant Measures of Nonlinear Markov Processes, Journal of Applied Mathematics and Stochastic Analysis, Vol 6, No 4, pp385-406, 1993.

147. N.U.Ahmed, Evolution Equations on Fock Spaces Over Gaussian Random Fields, Dynamic Systems and Applications, Vol 3, pp 25-38, 1994.

148. N.U.Ahmed, A Class of Singularly Perturbed Evolution Systems, J. Applied Mathematics and Stochastic Analysis, Vol 7, No2, pp179-190, 1994.

149. N.U.Ahmed, and J. Zabczyk, Nonlinear Filtering for Semilinear Stochastic Differential Equations on Hilbert Spaces, Publication of The Institute of Mathematics, Polish Academy of Sciences, 522, pp 1-12, 1994.

150. Qingxin Zhu and N.U.Ahmed, Dynamic Programming Equations of Stochastic Optimal Control in Banach Space, Journal of Stochastic Analysis and Applications, Vol. 13, No.3, 1995, 369-387

151. N.U.Ahmed, Compactness in Certain Abstract Function Spaces with Applications to Differential Inclusions, Discussiones Mathematicae: Differential Incusions, 15,1,(1995), 21-28.

152. N.U.Ahmed, and X. Xiang, Nonlinear Boundary Control of Semilinear Parabolic Systems, SIAM J. of Control and Optimization, SICON.34,2 (1996), 473-490.

153. N.U.Ahmed, and X. Xiang, Necessary Conditions of Optimality for Infinite Dimensional Uncertain Systems, J. Mathematical Problems in Engineering, 1(2), 179-191,1995.

154. N.U.Ahmed and Kerbal Sebti, On Approximate Controllability for Semilinear Systems, J. Nonlinear World, 2,(1995),53-67.

155. N.U.Ahmed and X.Ding, A Semilinear McKean-Vlasov Stochastic Evolution Equation in Hilbert Space, J. Stochastic Processes and Applications, 60 , (1995), 65-85.

156. N.U.Ahmed, Generalized Solutions for Linear Systems Governed by Operators Beyond Hille-Yosida Type, Publicationes Mathematicae Debrecen, Hungary, 48,1- 2,(1996),45-64.

157. N.U.Ahmed, S.M.Radaideh, Identification of Linear Stochastic Systems Based on Partial Information, Journal of Applied Mathematics and Stochastic Analysis, (3), 1995, 249-260.

158. Qingxin Zhu, N.U.Ahmed, Some Results on Parabolic Equations on Banach Space, Nonlinear Analysis, Theory and Methods, 24(9),1995,1305-1319.

159. N.U.Ahmed, T.H.Yeap, "Performance Analysis of Slotted Aloha Protocol for Optical Fiber Local Area Networks with Star Topology" 13(4),1995,389-410.

160. N.U.Ahmed, Optimal Control of Infinite Dimensional Systems Governed by Functional Differential Inclusions, Discussiones Mathemathematicae Differential Inclusions, 15, 1995, 75-94.

161. N.U.Ahmed, Mathematical Problems in Modeling Artificial Heart, Mathematical Problems in Engineering (MPE),1(2), 245-254,1995

162. N.U.Ahmed, and X. Xiang, Necessary Conditions of Optimality for a Class of Semilinear Uncertain Systems with Unbounded Monotone Operator, WSSIAA, Vol 4, Dynamical Systems and Applications, 1995.

163. N.U.Ahmed, Generalized Functionals of Gaussian Random Fields and Evolutions Thereon, Dynamic Systems and Applications , 4, 27-46, 1995.

164. N.U.Ahmed, Optimal Relaxed Controls for Infinite Dimensional Stochastic Systems of Zakai Type, SIAM Journal of Control and Optimization, 34(5), 1592-1615, 1996.

165. S.K. Biswas, N.U.Ahmed, Disturbance Rejecting Optimal Regulation of Hyperbolic Systems, Math.Control Signals Systems,8,(1995), 241-256.

166. P.Li, S.S.Lim, G. Vukovich and N.U.Ahmed, Stability and Robustness Analysis of Boundary Control of Flexible Space Structure, Int. J. Systems Science, 26,10,(1995), 1759-1776.

167. N.U.Ahmed and Tao Wan, Exact Boundary Controllability of Electromagnetic Fields in General Regions, Dynamic Systems & Applications, 5, (1996), 229-244.

168. N.U. Ahmed, Existence and Uniqueness of Measure Valued Solutions for Zakai Equation, Publicationes Mathematicae, Debrecen, 49 / 3-4 (1996), 251-264.

169. N.U.Ahmed, S.M. Radaideh, A Powerfull Numerical Technique Solving Zakai Equation for Nonlinear Filtering, Dynamics and Control, 7,3,July (1997).

170. N.U.Ahmed, X. Xiang; Nonlinear Uncertain Systems and Necessary Conditions of Optimality, SIAM Journal Contr. and Optimization, 35,5, 1755-1772, (1997)

171. N.U.Ahmed and S. Kerbal , Stochastic Systems Governed by B-evolutions on Hilbert Space, Proceedings of the Royal Society of Edinburgh, U.K 127A, (1997), 903- 920.

172. N.U.Ahmed, and J. Zabczyk, Partially Observed Optimal Controls for Nonlinear Infinite Dimensional Stochastic Systems, DSA, 5,(1996), 521-538.

173. N.U.Ahmed, M. Fuhrman and J. Zabczyk, Regular Solutions of Filtering Equations in Infinite Dimensions, Journal of Functional Analysis, 143,1,(1997),180-204.

174. N.U.Ahmed, Optimal Control for Linear Systems Described by m-times Integrated Semigroups, Publicationes Mathematicae, Debrecen,50,1-2 (1997), 1-13.

175. N.U.Ahmed, Measure Solutions for semilinear Evolution Equations with Polynomial Growth and their Optimal control, Discussionnes Mathematicae Differential Inclusions, 17(2), (1997), 5-27.

176. N.U.Ahmed, Stochastic B-Evolutions on Hilbert spaces, Nonlinear Analysis, Theory, Methods and Applications, 30(1), , (1997). 199-109.

177. N.U.Ahmed, Linear Systems Governed by Operators Beyond Hille-Yosida Semigroup, Advances in Nonlinear Dynamics, (deicated to Prof. Leela on her 60th birthday), A volume of the International series of Scientific monographs on Stability and Control (Ed. S.Sivasundaram and A.A.Martynyuk, (1997), 197-207

178. X. Xiang, and N.U.Ahmed, Infinite Dimensional Functional Differential Inclusions and Necessary Optimization Conditions, Nonlinear Analysis, Theory, Methods and applications, (30(1) , (1997), 429-436.

179. N.U. Ahmed and H. Harbi, Stability of Suspension Bridge 1: Aerodynamic and Structural damping, Mathematical Problems in Engineering, 4, (1998),73-98.

180 . N.U.Ahmed, Measure Solutions for semilinear Systems with Unbounded Nnonlinearities, Nonlinear Analysis: Theory, Methods and Applications, 35,(1998),487-503.

181. S.Kerbal Sebti, and N.U.Ahmed, Optimal Boundary Control of Distributed Systems Involving Dynamic Boundary Conditions, J. Mathematical Problems in engineering, 3, (1998), 387-411.

182. N.U.Ahmed and H. Harbi, Mathematical Analysis of Dynamic Models of Suspension Bridge, SIAM Journal of Applied Mathematics, 58,3 (1998) ,853-874.

183. N.U.Ahmed, Optimal control of Turbulent Flow as Measur Solutions, International Journal of Computational Fluid Dynamics, Vol , (IJCFD-1026), (1998), 1-13.

184. N.U.Ahmed, Relaxed solutions for Stochastic Evolution equations on Hilbert Space with Polynomial Nonlinearities , Publicationes Mathematicae Debrecen, 54 (1-2), (1999) 76-101.

185. N.U.Ahmed and H. Harbi, Torsional and Longitudinal Vibration of Suspension Bridge Subject to Aerodynamic Forces, J. Mathematical Problems in Engineering, 4, (1999),393-421.

186. N.U.Ahmed and M.A. Rahim, A Dynamic Model for Crime Control and Policy Evaluation, Mathematical Problems in Engineering, (1999), 4, 489-504.

187. N.U.Ahmed, A Genearl Result on Measure Solutions for Semilinear Evolution Equations, Nonlinear Analysis: Theory, Methods and Applications,42, (2000),1335-1349.

188. N.U.Ahmed, A General Mathematical Framework for Stochastic Analysis of Suspension Bridges, Nonliear Analysis , Theory, Methods and Applications Seies B, 1,(2000), 457-483.

189. N.U.Ahmed, Measure Solutions for Semilinear and Quasilinear Evolution Equations and Their Optimal Controls, (by invitation) Special Issue, Nonlinear Analysis: Theory, Methods and Applications, 40, (2000), 51-72.

190. N.U.Ahmed, Measure Solutions for Impulsive Systems in Banach Spaces and Their Control., Dynamics of Continuous , Discrete and Impulsive Systems, 6 (1999), 519-535.

191. N.U. Ahmed, Optimal Impulse Control for Impulsive Systems in Banach Spaces, International Journal of Differential Equations and Applications, 1 (1), (2000), 37-52.

192. N.U.Ahmed, Mathematical Model and Optimal Control of Flow Induced Vibration, of Pipe Lines, Discussiones Mathematicae Differential Inclusions 19(1),(2000),

193. N.U.Ahmed,Systems Governed by Impulsive Differential Iclusions on Hilbert Space, Nonlinear Analysis: Theory, Methods and Applications, (2001),693-706.

194. N.U.Ahmed, Some Remarks on the Dynamics of Impulsive Systems in Banach Spaces, Dynamics of Continuous , Discrete and Impulsive Systems, 8, (2001),,261-274.

195. N.U.Ahmed, Vector Measures for Optimal Control of Impulsive Systems in Banach Spaces, Nonlnear Functional Analysis and Applications ( An International Mathematical Journal for Theory and Applications, Korea), 5, 2, (2000), 95-106.

196. N.U.Ahmed, State Dependent Vector Measures as Feedback Controls for Impulsive Systems in Banach Spaces, Dynamics of Continuous , Discrete and Impulsive Systems,8,(2001),251-161.

197. N.U.Ahmed, and M.A. Rahim, Deterministic and Stochastic Dynamic Models for Demography, Journal of Dynamic Systems and Applications, 10,(2001),325-358.

198. N.U.Ahmed, Stability of Torsional and Vertical Motion of Suspension Bridges Subject to Stochastic Wind Forces, In the Proc. of 11th International WorkShop on Dynamics and Control, (to appear)

199. N.U.Ahmed, Optimal Control of Infinite Dimensional Stochastic Systems via Generalized Solutions of HJB Equations, Journal of Differential Inclusions, Control and Optimization, 21,(2001),97-126

200. N.U.Ahmed, Necessary Conditions of Optimality for Impulsive Systems on Banach Spaces, Nonlinear Analysis: Series A, (to appear).

201. N.U.Ahmed, Differential Inclusions on Banach Spaces with Nonlocal State Constraints, Nonlnear Functional Analysis and Applications ( An International Mathematical Journal for Theory and Applications, Korea), (to appear).

202. N.U.Ahmed, C.D. Charalambos, Filtering for Linear Systems Driven by Fractional Brownian Motion, SIAM Journal on Contr. and Optim. Vol. 41, No. 1, 313-330.

203. N.U.Ahmed and X.Ding, Controlled McKean-Vlasov Equations, Communications in Applied Analysis, 5,2,(2001),183-206.

204. N.U.Ahmed, Measure Solutions Impulsive Evolutions Differential Inclusions and Optimal Control, Nonlinear Analysis 47,(2001),13-23.

205. S.K.Biswas, N.U.Ahmed, Optimal Control of Flow-induced Vibration of Pipelines, Dynamics and Control, 11,2,(2001),187-201.

206. N.U.Ahmed, Stone-Cech Compactification with Applications to Evolution Equations on Banach Spaces, Publicationes Mathematicae, Debrecen, Hungary, 59,3-4,(2001), 289-301.

207. N.U.Ahmed, Existence of Optimal Controls for a General Class of Impulsive Systems on Banach Spaces, SIAM Journal on Contrl. and Optim.42(2),669-685

208. N.U.Ahmed and K.L. Teo, Dynamic Models for Computer Communication Networks and Their Mathematical Analysis, DCDIS (Dynamics of Continuous, Discrete and Impulsive Systems) , series B, 9,(2002),507-524.

209. N.U.Ahmed, Distributed Parameter Systems, Encyclopedia of Physical Science and Technology, 3rd Edition, Volume 4,(2001), 561-587.

210. N.U.Ahmed, Qun Wang and L. Orozco Barbosa, Systems Approach to Modeling the Token Bucket Algorithm in Computer Networks, MPE (Mathematical Problems in Engineering), 8(3), (2002), 265-279.

211. N.U.Ahmed, Impulsive Perturbation of C_0-Semigroups and Evolution Inclusions, Nonlinear Functional Analysis and Applications, 7(4), (2002), 555-580.

212. N.U.Ahmed, Impulsive Perturbation of C_0 -Semigroups and Stochastic Evolution Inclusions, Discussiones Mathematicae, Differential Inclusions,Control and Optimization, 22(2002),125-149

213. N.U.Ahmed, Existence of Optimal Controls for a General Class of Impulsive Systems on Banach Spaces, SIAM Journal on Contrl. and Optim. 42(2003), 669-685.

214. N.U.Ahmed, Optimal Control of Impulsive Stochastic Evolution Inclusions, Differential Inclusions, Control and Optimization, 22(2002), 155-184.

215. N.U.Ahmed, Generalized Solutions of HJB Equations Applied to Stochastic Control on Hilbert Space, Nonlinear Analysis, 54 (2003), 495-523.

216. N.U.Ahmed, K.L.Teo and S.H.Hou, Nonlinear Impulsive Systems on Infinite Dimensional Spaces, Nonlinear Analysis, 54 (2003), 907-925.

217. N.U.Ahmed and X.Xiang, Optimal Relaxed Controls for Differential Inclusions on Banach Spaces, Dynamic Systems and Applications, 12 (2003), 235-250.

218. N.U.Ahmed, Hong Yan and L.Orozco Barbosa, Performance Analysis of the Token Bucket Control Mechanism Subject to Stochastc Traffic, DCDIS, 11 (2004), 363-391.

219 N.U.Ahmed and Hong Yan, Access Control for MPEG Video Applications Using Neural Network and Simulated Annealing, MPE (Mathematical Problems in Engineering), 2004:3, (2004), 291-304.

220. N.U.Ahmed and Cheng Li, Stochastic Models for Traffic Dynamics and Access Control Mechanism in Computer Network, Engineering Simulation, T.26, No 4, 2004, 53-73.

221. N.U.Ahmed and Cheng Li, Optimum Feedback Strategy for Access Control Mechanism Method Modelled as Stochastic Differential Equation in Computer Network, MPE (Mathematical Problems in Engineering), 2004:3, (2004), 263-276

222. N.U. Ahmed, Controllability of Evolution Equations and Inclusions Driven by Vector Measures, Discussiones Mathethicae Differential Inclusions, Control and Optimization, 24 (2004), 49-72.

223. N.U.Ahmed, Measure Solutions for Evolution Equations with Discontinous Vector Fields, Nonlinear Funct. Anal. & Appl., Vol. 9, No. 3 (2004), 467-484.

224. N. U. Ahmed, Optimal Control for Evolution Equations with Discontinuous Vector Fields, DCDIS 11(Series A) (2004), 105-118.

225. N. U. Ahmed and Hui Song, Real-time feedback control of computer networks based on predicted state estimation, Mathematical Problems in Engineering, (2005), 1, 7-32.

226. N. U. Ahmed and Cheng Li, Suboptimal feedback control of TCP flows in computer network using random early discard (RED) mechanism, Mathematical Problems in Engineering,
Mathematical Problems in Engineering 2005:5 (2005) 477–489, DOI: 10.1155/MPE.2005.477

                                                                                                                                                                             

227. N.U. Ahmed, Bo Li, and Luis Orozco-Barbosa, Modelling and optimization of computer network traffic controllers, Mathematical Problems in Engineering, 5,(2005),477 - 489

228. N.U. Ahmed and Yongjuan He, Dynamic Model for Population Distribution and Optimum Immigration and Job Creation Policies, Canadian Studies in Population,

 31(2), 2004, 261-295.

229. N.U. Ahmed, Stability of Torsional and Vertical Motion of Suspension Bridges subject to Stochastic Wind Forces, Stability and Control: Theory, Methods and Applications, Dynamical Systems and Control (Ed: F.E.Udwadia, H.I.Weber and G. Leitmann), 22(2004),145-162.

230. N.U. Ahmed, Measure Valued Solutions for Stochastic Evolution Equations on Hilbert Space and Their Feedback Control, Discussiones Mathematicae, DICO, 25,(2005),129-157

231N. U. Ahmed, Bo Li, and Luis Orozco-Barbosa, Modeling and optimization of computer network traffic controllers, Mathematical Problems in    Engineering 2005:6 (2005) 617–640.


232. N.U. Ahmed, Optimal Feedback Control for Impulsive Systems on the Space of Finitely Additive Measures, Publicationes Mathematicae Debrechen,70(3-4),(2007),371-393

233. N.U.Ahmed, Measure Solutions for Impulsive Evolution Equations with Measurable Vector Fields, J.mathematical Analysis and Applications,319,(2006),74-93

234. N.U.Ahmed, X.Lu, L.O.Barbosa, An Efficient Parallel Optimization Algorithm for the Token Bucket Control Mechanism, Computer Communication,29,(2006),2281-2293

235. N.U.Ahmed, C.D.Charalambous, Optimal Measurement Strategy for Nonlinear FRiltering, SIAM Journal Control and Optimization, 45(2),(2006),519-531

236. N.U.Ahmed, C.D.Charalambous, Minimax Games for Stochastic Systems subject to Relative Entropy Uncertainty: Applications to SDE's on Hilbert Spaces, J.Mathematics of Control,Signals and Systems, 19, 65-91, 2007.

 

237. F.Rezaei, N.U.Ahmed and C.D.Charalambos, Rate Distortion Theory for General Sources with Potential applications to Image Compression, IJAMS, 3(2),(2006),141-165.

238. N.U.Ahmed, Differential Inclusions Operator Valued Measures and Optimal Control, Special Issue, Dynamic System and Applications, 16,(2007),13-36. 

239. N.U.Ahmed, Evolution Equations Determined by Operator Valued Measures and Optimal Control, Nonlinear Analysis:Theory Methods and Applications, series A, 67,(2007),3199-3216.

240. N.U.Ahmed, Dynamics of Hybrid systems Induced by Operator Valued measures, Nonlinear Analysis: Hybrid Systems,(to appear) (Available on Line at www.scienceDirect.com)

241. N.U.Ahmed, Nonlinear Diffusion Governed by McKean-Vlasov Equation on Hilbert Space and Optimal Control, SIAM Journal. Control and Optimization, 46(1),(2007),356-378.

 

242. N.U.Ahmed, A Class of Semilinear Parabolic and Hyperbolic Systems Determined by Operator Valued Measures, Dynamics of Continuous , Discrete and Impulsive Systems (DCDIS), series A: Mathematical Analysis, 14,(2007),465-485.

 

243. N.U.Ahmed, A Relaxation Theorem for Partially Observed Stochastic Control on Hilbert Space, Discussiones Mathematicae (DICO),27(2),(2007).

 

244. N.U.Ahmed, Vector and Operator Valued Measures as Controls for Infinite Dimensional Spaces: Optimal control, Discussiones Mathematicae, DICO, 28(1), 2008 (to appear)

 

245. N.U.Ahmed, Parabolic and Hyperbolic Systems Determined by Co-ercive Operator Valued Measures, NFAA (Nonlinear Functional Analysis and Applications),  13(2),(2008),193-213.

 

246. N.U. Ahmed and X. Quyang, Suboptimal RED Feedback Control for Buffered TCP Flow Dynamics in Computer Network,  Mathematical Problems in Engineering, 2007, Article ID 54683, 17 pages, doi:10.1155/2007/54683.

 

247. N.U. Ahmed,  Optimality Conditions for Semilinear Systems Determined by Operator Valued Measures, (Balakrishnan Felicitation), Nonlinear Analysis,(2008)

 

248. N.U. Ahmed, Parbolic Systems Determined by  Strongly Nonlinear Operator Valued Measures (Lak Felicitation), Nonlinear Analysis, 69(3), (2008), 796-806.

 

249. N. U. Ahmed, Optimal Output Feedback Boundary Control for Systems Governed by Semilinear Parabolic Inclusions: Uncertain Systems, Advances in Nonlinear Varaitional Inequalities, Vol 11 (2008), No. 1, 61-79.

 

250. N.U. Ahmed, Dynamics of Flow in Porous Media and its Control Applied to Optimal Management of Underground Resources, Communications in Applied Analysis, 12(2), (2008),221-234.

 

251. N. U. Ahmed, Optimal Choice Of  Nonlinear Output  Feedback  Control Law For A Class Of Uncertain Parabolic Systems, Dynamic Systems and Applications, 17,(2008) 571-582. 

 

252. N.U. Ahmed, Porous Medium Dynamics with Optimal Control and Extraction of Underground Resources, Dynamics of Continuous, Discrete and impulsive Systems, 15,(2008),711-725.

 

253. N.U. Ahmed,  Optimality Conditions for Semilinear Systems Determined by Operator Valued Measures, Chapter 9, Advances in Dynamics and Control, (Felicitation Volume in honor of A.V.Balakrishnan),(2009)

 

254. N.U. Ahmed,  A  Brief Summary of Optimal Control of Uncertain Systems  Governed by Parabolic inclusions, AJSE-Mathematics, 1(1),( 2009), 13-23.

 

255. N.U. Ahmed, Topological Dual  of  B_{\infty}(I, L_1(X,Y)) with Application to Stochastic Systems on Hilbert Space,  Differential Inclusions ,Control and optimization, 29,(2009).

 

256. N. U. Ahmed  and M.Suruz Miah, Optimal Feedback Control Law for a Class of Partially Observed  Uncertain Dynamic Systems: A Min-Max Problem, Dynamic Systems and Applications, 20(1), 2011, 149-167.  

 

    257. M. Suruz  Miah, N.U.Ahmed  and Monjur Chowdhury, Optimum policy for integration of renewable energy sources into the power generation system, Energy Economics, 2011, doi:10.1016/j.eneco.2011.08.002.

 

   258. N. U. Ahmed, Optimal Structural Feedback Control for Partially Observed Stochastic Systems on Hilbert Space, Nonlinear Analysis : Hybrid Systems, 5(2011),  1-9.

 

  259. N.U.Ahmed, Weak Compactness in the  Space of Operator Valued Measures and optimal Control,  System Modeling and Optimization, Proc.  25th IFIF TC 7 Conference, CSMO 2011, (Eds. Dietmar H\;omberg and Fredi Troltzsch), (2011), 49-58

 

   260.  N. U. Ahmed, Operator Valued Measures for Optimal Feedback Control of Infinite Dimensional Systems, Dynamic Systems and Applications, 21(2012), 187-204.

 

  261. N. U. Ahmed, Measure Valued Solutions for Sytems Governed by Neutral Differential Equations on Banach Spaces and Their Optimal Control, Differential Inclusions, Control and Optimization, 33(2013), 80-109.

  

    262.   N.U.Ahmed ,  A Note on Radon-Nikodym Theorem for Operator Valued Measures and Its Applications, Communication Korean Math. Soc. 28(2),(2013), 285-295

 

 

263. N.U.Ahmed, Stochastic Neutral Evolution Equations on Hilbert Spaces with Partially Observed Relaxed Control and their Necessary Conditions of Optimality, Nonlinear Analysis 101(2014), 66-79.

 

 

264.   N.U.Ahmed , Stochastic Evolution Equations on Hilbert Spaces with Partially Observed Relaxed Controls and Their Necessary Conditions of Optimality, Discussiones Mathematicae Differential Inclusions, Control and optimization, 34(2014)105-129. doi:10.7151/dmdico.1153

 

 

265. N.U.Ahmed,   Some Recent Developments in Systems and Control Theory on Infinite Dimensional Banach Spaces: Part 1, and Part 2,  3-44, Springer Proceedings in Mathematics and Statistics, Optimization and Control Techniques and Applications, (Edited by H. Xu,  K. L. Teo, Y. Zhang),  Vol. 86, (2014) .

 

266. S,B.Khan and N.U.Ahmed, Inverse Problems for Compressible Flow of Newtonian Fluid, Dynamic Systems and Applications 23(2014), 101-112.

 

267. N.U.Ahmed, Stochastic Initial Boundary Value Problems Subject to Distributed and Boundary Noise and Their Optimal Control, Journal of Mathematical Analysis and Applications (JMAA), 2014,

http://dx.doi.org/10.1016/j.jmaa.2014.06.078

 

268. M.  Parsa, N.U.  Ahmed, M. C.E. Yagoub,  Optimum Decision Policy For Replacement of Conventional Energy Sources by Renewable Ones. International Journal of Energy Science, 2013, 3(5), 311-319. doi: 10.14355/ijes.2013.0305.03.

 

269.  M. Parsa, N.U. Ahmed, M. C.E. Yagoub. Optimum Replacement Policies of Conventional Energy Sources by Clean Ones Subject to Current Electricity Demand. International Journal of Energy Science, 2014, 4(1), 1-8. doi: 10.14355/ijes.2014.0401.01.

 

 270. N.U.Ahmed and  C. D. Charalambous:, Stochastic Minimum Principle for Partially Observed Systems Subject to Continuous and Jump Diffusion Processes and Driven by Relaxed Controls. SIAM J. Control and Optimization 51(4): 3235-3257 (2013).

 

271. F. RezaeiC. D. Charalambous, N.U.  Ahmed: Optimal Control of Uncertain Stochastic Systems Subject to Total Variation Distance Uncertainty. SIAM J. Control and Optimization 50(5): 2683-2725 (2012)

 

272. N.U.Ahmed,  Boundary and Point Controls for Semilinear Stochastic Partial Differential Equations,  Nonlinear Functional Analysis and Applications

Vol. 19, No. 4 (2014), pp. (to appear)

 

273. T.E. Govindan, N.U. Ahmed, On Yosida Approximations of McKean-Vlasov Type Stochastic Evolution Equations, Journal of Stochastic Analysis and Applications (to Appear).

 

274. S,B.Khan and N.U.Ahmed,  An Attempt Towards Dynamic  Modeling the Earth’s Climate System,  Dynamic Systems and Applications 23, (to appear) (2014)

 

 

REFEREED CONFERENCE PAPERS

 

1. N.U.Ahmed and G.S.Glinski,"A Mathematical Model of Magnetization and Hysteresis", Proc. Nat. Elect. Conf., Chicago 1964, Vol. 20, pp. 807-811

2. N.U.Ahmed and G.S.Glinski "Properties of a Parametric Family of Symmetric Non-Gaussian Distribution in Euclidean n-Space", 7th Pak. Stat. Conf., Dacca, (Feb. 28-Mar. 2, 1967)

3. N.U.Ahmed "Estimation of the Settling Time of a Class on Nonlinear Time-Varying Feedback Control Systems", Proc. 6th Allerton Conf. on Circuit and Systems Theory, Illinois, (Oct. 2-4, 1968), pp. 133-141.

4. N.U.Ahmed "Optimal Control of a Large Class of Stochastic Differential Systems with Finite Memory", Proc. 7th Allerton Conf. on Circuit and Systems Theory, Illinois (Oct. 8-10, 1969), pp. 44-53.

5. N.U.Ahmed "Lp(p = 1) and Orlicz Stability of a Class of Nonlinear Feedback Systems", Proc. 7th Allerton Conf. on Circuit and Systems Theory, Illinois (Oct. 8-10, 1969), pp. 702-709.

6. N.U.Ahmed "Optimal Control for a Class of Nonlinear Hereditary Dynamical Systems", Proc. 8th Allerton Conf. on Circuit and Systems Theory, Illinois, (Oct. 7-9, 1970), pp. 526-535.

7. N.U.Ahmed "Constrained Optimization of Nonlinear Filters, and Systems on an Appropriate Systems Space", Proc. 8th Allerton Conf. on Circuit and Systems Theory, Illinois (Oct 7-9, 1970), pp. 111-120.

8. N.U.Ahmed "A Modified Iterative Procedure for Computing Time-Optimal Controls for Linear Systems", Proc. 5th Annual Princeton Conf. on Information Systems Sciences, Princeton, March 1971, pp. 473-474 (Co-author D.K. Sen, Grad. Student).

9. N.U.Ahmed, G.S. Glinski and B.S.Rao, "Another Application of Optimal Control Theory to Systems with Feel", Proc. 3rd South Eastern Symp. on Systems Theory, Atlanta (April 1971), pp. D4(0-8)

10. N.U.Ahmed and S.G.S Shiva, "Some Results Arising from Information Entropy", Proc. Int. Conf. on Comm. Montreal, (June 1971), pp. 43 (15-18)

11. N.U.Ahmed and K.L. Teo, "On the Stability of a Class of Nonlinear Stochastic Systems with Application to Distributed Parameter Systems", Proc. IFAC Conf. Dist. Parameter Systems, Calgary, (June 1971), pp. 2-6, (1-8)

12. N.U.Ahmed "Generalized Stochastic Optimization with Applications to Stochastic Control and Optimal Design of Random Systems", Proc. 9th Ann. Allerton Conf. on Circuit and Systems Theory, Illinois, (Oct. 6-8, 1971), pp. 49-57.

13. N.U.Ahmed "Optimal Bandlimited Controls for Differential Systems without Convexity Condition", Proc. 6th Princeton Conf. Inf. Sc. and Systs., 1972, pp. 686-

14. N.U.Ahmed "On the Attainability Function of Stochastic Systems", Proc. 6th Princeton Conf. Inf. Sc. and Systems, 1972, pp. 706-

15. N.U.Ahmed "On Optimal Feedback Control of Stochastic Systems and Certain Associated Mathematical Problems", Proc. 10th Ann. Allerton Conf. on Cir. Systems Theory, (Oct. 1972), pp. 532-533.

16. N.U.Ahmed "An Optimal Phase-Locked Loop", 6th Biennial Symp. on Comm. Theory and Signal Processing, Queen's University, Kingston, Ont., (Aug. 28-30, 1972).

17. N.U.Ahmed and F. Garcia,"Mathematical Model of the Dynamics of a Living Lake and Optimal Control to Prevent Its Eutrophication", Proc. Canadian Conf. on Automatic Control, New Brunswick, (Sept. 24-25, 1973), pp. 7-3 (1-13).

18. N.D. Georganas and N.U.Ahmed,"Optimal Control in Traffic Problems", Proc. 6th Midwest Symposium on Circuit Theory, University of Waterloo, April 1973, pp. XVII 6.1-6.2

19. N.U.Ahmed and S.H.Yeo,"Optimal Control of a National Economic System Modelled on the Basis of Cyclical Growth Theory", Proc. 8th Ann. Princeton Conf. on Inf. and Systems Sciences (Feb. 1974).

20. N.U.Ahmed and M.A. Aboud,"Synthesis of Optimum Phase Locked Loop Using Optimal Control Theory", 7th Biennial Symp. on Comm., Kingston, Ont. (May 1974)

21. N.U.Ahmed "An Approximation Theorem for Continuous Functions on Lp Spaces", SIAM 1974 Fall Meeting, Alexandria, VA, Oct. 23-26, 1974, Abstract, SIAM Review, Vol. 17, No. 2, p. 374 (April 1975).

22. N.U.Ahmed "Optimal Control of Stochastic Systems Governed by Ito Differential Equations", Ann. Meeting of the AM. Math. Soc., 1975, Washington D.C., Jan 23-27, (Invited session).

23. N.U.Ahmed and S.H.Wong,"A Minimum Principle for Systems Governed by Ito Stochastic Differential Systems with Markov Jump Parameters", Second Kingston Conf. on Diff. Games and Control Theory, Rhode Island, June 1976.

24. N.U.Ahmed "Optimal Control of Generating Policies in a Power System Governed by a Second Order Hyperbolic Partial Differential Equation", presented at the 1977 JACC (Joint Automatic Cont. Conf.), San Francisco, pp. 1339-1344.

25. N.U.Ahmed "Stochastic Control on Hilbert Space for Linear Evolution Equations with Random Operator Valued Coefficients", 9th Conf. on Stochastic Proc. and their Appl., Evanston, IL, 6-10 Aug. 1979, Abstract in Advances in Appl. Probability, 12, 2, pp. 263-318.

26. N.U. Ahmed, "Stability of a Class of Stochastic Distributed Parameter Systems with Random Boundary Conditions", the 20th IEEE Conf. on Decision and Control, Dec. 1981, San Diego, CA.

27. N.U. Ahmed, "A Class of Generalized Nonlinear Functions of Brownian Motion", 10th Conf. on Stochastic Proc. and Appl., Montreal, Canada, Aug. 23-28, 1981 (Man. page 25).

28. N.U. Ahmed, "Control Theory and Its Prospects for Developing Nations", the 7th Ann. Conf. on Applied Science for Muslim World Development, Purdue University, West Lafayette, Sept. 1981, Vol. II, pp. 361-372.

29. M. Mittal, N.U. Ahmed, "Time Domain Modelling and Digital Simulation of Variable Frequency A.C. Motor Speed Control Using PPL Technique", IEEE's 1981 Industrial Applications Society Annual Meeting, Philadelphia, Oct. 5-9, 1981, pp. 1191-1196.

30. S. Roy and N.U. Ahmed, "Voltage Regulation by Capacitors in a Dynamic System", IEEE-PAS Winter Power Conf. 1982).

31. N.U. Ahmed, "Properties of Relaxed Trajectories for a Class Nonlinear Evolution Equations on a Banach Space", 30 Anniversary Meeting of SIAM, July 19-23, 1982, Stanford University, Stanford, CA, Proc. 21st CDC, Orlando, (1982), pp. 1073-1077, (invited talk).

32. N.U. Ahmed, T.E. Dabbous, S.K. Biswas, "Modelling of Reliability Dynamics of Large Interconnected Power Systems", 4th Internat. Symposium on Large Engineering Systems, June 9-11, 1982, University of Calgary, pp. 173-178.

33. S.K.Biswas and N.U.Ahmed "Mathematical Modelling and Stabilization of Flexible Space Crafts", SIAM 1983 Fall Meeting, Nov. 7-9, 1983, Norfolk, Virginia

34. N.U.Ahmed and S.K.Biswas "Stabilization of the Wave Equation in a Bounded Domain by Localized Feedback and Exact Controllability", Proc. 22nd IEEE-CDC, Dec. 14-16, 1983, San Antonio, Texas, 1983.

35. N.U.Ahmed and Y.W.Lee,"A Dynamic Routing for Computer Queueing Networks", Proc. 12th IASTED Int. Conf. on Appl. Simulation and Modelling, Montreal, Quebec, June 3-5, 1985.

36. N.U.Ahmed "Stability of Distributed Parameter Systems", Int. Conf. on Integral Methods in Science and Engineering, the University of Texas at Arlington, Texas, March 18-21, 1985.

37. N.U.Ahmed "Stochastic Evolution Equations Perturbed by Generalized White Noise on the Boundary", 15th Int. Conf. on Stochastic Processes and their Applications, Nagoya, Japan, July 2-6, 1985, Abstract to appear in the Journal of Stochastic Processes and their Applications.

38. N.U.Ahmed "Nonlinear Filtering of Systems Governed by Ito Differential Equations with Jump Parameters", 15th Int. Conf. on Stochastic Processes and their Applications, Nagoya Japan, July 1-6, 1985, Abstract to appear in the Journal of Stochastic Processes and their Applications.

39. N.U.Ahmed and S.S. Lim"Modelling and Stabilization of Flexible Spacecraft under the Influence of Orbital Perturbation", The 26th IEEE Conf. on Decision and Control, Los Angeles, California, Dec. 9-11, 1987.

40. N.U.Ahmed "Identification of Systems Governed by Nonlinear Evolution Equations", SIAM 35th Anniversary Meeting, Oct. 12-15, 1987, Denver Colorado.

41. N.U.Ahmed and S.S.Lim,"Towards Modelling and Control of Large Space Stations", Proc. of 28th IEEE Conference on Decision and Control, Dec. 13-15, 1989, (pp.803-808), Tampa, Florida.

42. N.U.Ahmed and S.S. Lim, "Modelling and Control of Flexible Space Stations (Slew Maneuvers)", Proc. of 3rd Annual Conference on Aerospace Computational Control, Aug. 28-30, 1989, Oxnard, California (to appear) .

43. S.S. Lim and N.U.Ahmed, "Vibration Control of Slew Maneuvers for Large Spacecraft", Proc. of Canadian Conference on Electrical and Computer Engineering, Sept.17-20, 1989, (pp. 650-653), Montreal, Canada.

44. N.U.Ahmed and Peng. Li, "Exponential Stabilization of Perturbed Stochastic Systems", Proceeding of Canadian Conference on Electrical and Computer Engineering, (pp.203-205) Montreal, 1989.

45. N.U.Ahmed and Peng. Li, "Stabilizing Controllers for Perturbed Distributed Parameter Systems", Proceedings of 28th IEEE-Conference on Decision & Control, (pp. 1446-1447) Tampa, Florida, 1989.

46. N.U.Ahmed "Computer Aided Design of Optimal Regulators and Filters with Constraints", Proc. 14th IFIP Conference on System Modelling and Optimization, Leipzig, GDR July 3-7, 1989 , Springer Lect. Notes. in Control and Information Sciences, Vol.143, pp 894-903, 1990.

47. N.U.Ahmed "Hydro-Dynamic Problems of the Artificial Heart and its Optimal Control", 9th Canadian Symposiums on Fluid Mechanics, University of Western Ontario, London, Ontario, Canada, June 1990.

48. N.U.Ahmed and Peng. Li, "Optimal Filtering and LQR Theory with Constraints on System and Control Matrices", Proceeding of Canadian Conference on Electrical and Computer Engineering, pp. 10.4.1-10.4.4, Ottawa, Canada, Sept. 1990

49. N.U.Ahmed and S.S. Lim, "Vibration Control of Large Flexible Space Structures in a Noisy Environment", Proceeding of Canadian Conference on Electrical and Computer Engineering, pp. 10.5.1-10.5.4, Ottawa, Canada, Sept. 1990.

50. P.Li, S.S. Lim and N.U.Ahmed, "Robust Boundary Control of Flexible Structures Governed by Hybrid Dynamics", Proceeding of Canadian Conference on Electrical and Computer Engineering, pp. 18.3.1-18.3.4, Ottawa, Canada, Sept. 1990.

51. N.U.Ahmed and Peng. Li, "Exponential Stabilization of Semilinear Evolution Equations", Proc. 29th IEEE-CDC, Vol. 4, pp. 2137-2138, Hawaii, December 5-7, 1990.

52. N.U.Ahmed "Partially Observed Optimal Relaxed Feedback Controls", 13th Imacs World Congress on Computation and Applied Mathematics, July 1991, Dublin, Ireland.

53. N.U.Ahmed and X. Xiang, Necessary Conditions for Optimality in a Class of Infinite Dimensional Strongly Nonlinear Control Problems, Proc.31st .IEEE-CDC,pp3100-3105,1992.

54. N.U.Ahmed and X. Xiang, Properties of Relaxed Trajectories of Evolution Equations and Optimal Control, Proc.31st .IEEE-CDC, pp3126-3128,1992.

55. N.U.Ahmed, and T.Yeap, New Mathematical Models of an Optical Communication System, Proc. IEEE International Conference on Decision and Control, pp 1671- 1677, 1993.

56. N.U.Ahmed, Mathematical Challenges of the Artificial Heart, Proc. of The 9th International Conference on Mathematical and Computer Modeling, University of California, Berkeley, July 1993.

57. N.U.Ahmed, Existence of Solutions of Nonlinear Stochastic Differential Inclusions on Banach Space, Proc. of the World Congress of Nonlinear Analysis, (Tampa, Florida, August 19-26,) , pp 1699-1712, 1992.

58. N.U.Ahmed, Functional Analysis on Wiener Measure Space and Evolution on Fock Spaces, Proc. of Dynamic Systems and Applications, Vol 1, pp1-10, 1994.

59. N.U.Ahmed and X. Xiang, Nonlinear Boundary Control of Semilinear Parabolic Systems, Proc. 34 IEEE-CDC, New Orleans, Dec.13-15, 95.

60. N.U.Ahmed, Stochastic B-evolutions on Hilbert Spaces, The Second World Congress of Nonlinear Analysts, Athens, Greece, July 10-17, 1996. (to appear in the Proc. WCNA-96)

61. N.U.Ahmed and X. Xiang, Necessary Conditions of optimality for Systems Governed by Differential Inclusions, The Second World Congress of Nonlinear Analysts, Athens, Greece, July 10-17, 1996.

62. N.U.Ahmed, Partially Observed Stochastic Control on Hilbert Space, Proc. DSA 2(1996), 19-30.

63. N.U.Ahmed, Partially Observed Stochastic Control on Hilbert Space, presented at the International Conference on Applied Analysis, july2-9, Samos, Greece, 1996.

64. S. Kerbal Sebti and N.U.Ahmed, Necessary Conditions of Optimality for Systems Governed by B-evolutions, Proc. DSA 2 (1996), 293-300.

65. Luis. O. Barbosa and N.U.Ahmed, Dynamic Modelling of the IEEE 802.6 Medium Access Mechanism, Proc. 18th Biennial Symposium on Communications, Kingston, Ontario, Canada, (june 1996), 21-24.

66. N.U.Ahmed and H.Harbi, Dynamic Models of Suspension Bridge and their Stability, Proc. IASTED International Conference on Control, Cancun, Mexico, may 28-31,1997.

67. N.U.Ahmed, Stability and Control of Flexible Structures, Satellites, Space Stations,and Suspension Bridges, Proc. of International Conference in Optimization Techniques and Applications, Perth, Australia,(1998), 3-18.

68. N.U.Ahmed, Measure Solutions for Infinite Dimensional Stochastic Systems, Proc. of International Conference in Optimization Techniques and Applications, Perth, Australia, (1998), 1239-1246.

69. N.U.Ahmed and H. Harbi, Stability of Suspension Bridge 11: Aerodynamic VS Structural Damping, Proc. of SPIE, Smart Systems for Bridges, Structures and Highways, Vol. 3325,(1998), 276-289.

70. N.U.Ahmed and H. Harbi, Stochastic Modeling and Stability of Suspension Bridge, Proceedings of SPIE, Smart Structures and Materials 2000, Smart Systems for Bridges, Structures and Highways, Vol. 3988, 394-399.

71. N.U.Ahmed, Generalized Solutions of HJB Equations for Infinite Dimensional Stochastic Systems, Proc. International Conference on Nonlinear Analysis and Nonlinear Modeling, (Eds. V. Lakshnikantham and A. Hasanov), July 17-23, 2001, Fethiye- Turkey, pp 3-15.

72. N.U.Ahmed, Optimal Control of Systems Governed by Impulsive Differential Inclusions, Proc. ICDSA (International Conference on Dynamic Systems and Applications), (To Appear)

73. N.U.Ahmed and Cheng Li, Feedback Control of TCP Flows in Computer Network Using Random Early Discard (RED) Mechanism, Proc. of DCDIS 2005, July 27-29, Guelph, Ontario, Canada.

74. N.U.Ahmed, Measure Solutions for Impulsive Systems with Measurable Vector Field , Proc. of DEDS 2005, July 29-31, Guelph, Ontario, Canada.

75. N.U.Ahmed, OPTIMAL STOCHASTIC CONTROL OF MEASURE SOLUTIONS ON HILBERT SPACE: Optimal Control of Measure Solutions, Proc. of  22nd IFIP TC7 Conf. 2005, Systems,Control,Modeling and Optimization, July 16-23, Torino, Italy, pages 1-12.

76. N.U.Ahmed,  Hyperbolic systems  Driven by Controls  taking values from the space of Vector Measures, ICIM-2007, July 16-20,     Zurich

77. N.U.Ahmed , Evolution Equations Determined by Vector and Operator Valued Measures and control, IFIP-TC-7, 2007,July 22-29,  Krakow.

78. N.U.Ahmed, Optimal Control of systems Determined by Strongly Nonlinear Operator Valued Measures, Invited  session, AMS, Annual meeting,  San Diego,  Jan 6-10, 2008.   

 

INVITED LECTURES

(1)            AMS Special Session: "Optimal Control of Infinite Dimensional Systems Governed by Integro Differential Equations", At the Joint conference of the AMS (American Mathematics Society) , Special Session on Integro Differential Equations, San Antonio, Texas, USA, Jan 13-16, 1993.

(2) "Optimal Relaxed Controls for Nonlinear Infinite Dimensional Stochastic Differential Inclusions", International Conference on Optimal Control, Athens, Ohio, March 25-27, 1993.

(3) (Keynote Speaker) " Generalized Functionals of Brownian Motion, Gaussian Random Field and EvolutionsThere On" International Conference on Dynamic Systems and Applications, Atlanta, ,Georgia, May 26-29, 1993.

(4) ``Optimal Control of Visco-elastic Systems, Existence and Necessary conditions of Optimality”. Texas A&M University, Department of Mathematics, and Department of Aero space, College Station, Texas, Jan 21-24,1992.

(5) Fudan University, Department of Mathematics and Institute of Mathematics, Shanghai, May 3-9, 1993.

Talks presented:

(i) Optimal Control of Integro Differential Equations on Banach Spaces,

(ii) Optimal Relaxed Controls for Stochastic Differential Inclusions,

(iii) Feedback Stabilization of Shuttle Orbiter based on Semigroup techniques.

(6) Guizhu University, Department of Mathematics, Guiyang, May 9-15, 1993.

Talks presented: (i) Optimal Control Theory and it's prospects (ii) Mathematical Challenges of the Artificial Heart- a boundary control problem (iii) Boundary Feedback Stabilization of spacecraft (geo-synchronous Satellite) .

(7) Tsinghua University, Department of Precision Instruments, Beijing , May 15-19:

Talks presented: Mathematical Modeling of Artificial Heart and it's Control.

(8) Banach center, Institute of Mathematics, Polish academy of Sciences:

“Generalized Functionals of Gaussian Random Fields and Evolution Equations Thereon. “ , International Work Shop on Stochastic Evolution Equations , Banach Center, Polish Academy of Sciences, Warsaw, Dec 8-15, 1993.

(9) Banach center, Institute of Mathematics, Polish academy of Sciences:

“ Nonlinear Markov Processes and Invariant Measures Thereof. , International Work Shop on Stochastic Evolution Equations” , Banach Center, Polish Academy of Sciences, Warsaw, Dec 8-15, 1993.

(10). AMS Special Session:

“Partially Observed Control of Stochastic Systems on Hilbert Space,” At the Joint conference of the AMS, Special Session on Stochastic Systems and Applications, San Francisco, California, USA, Jan 4-7, 1995.

(11) AMS Special Session:

“Functional Differential Inclusions on Banach Spaces and Optimal Control” , At the Joint conference of the AMS, Special Session on Nonlinear Dynamics, San Francisco, California, USA, Jan 4-7, 1995.

(12) Banach Center, Institute of Mathematics, Polish Academy of Sciences:

“A Semlinear McKean-Vlasov Stochastic Evolution Equation in Hilbert Space” , At the Sochastic Symposium, Banach center, Warswa, Poland, March 11-21, 1995.

(13) Banach Center, Institute of Mathematics, Polish Academy of Sciences:

“Partially Observed Optimal Controls for Infinite Dimensional Stochastic Systems”, At the Stochastic Symposium, Banach Center, Warswa, Poland, March 11-21, 1995.

(14) (Keynote Speaker), Int. Conf. on Applied Analysis, Karlovasi, Samos, Greece, July 4-9, 1996. Topic: Partially Observed Control of Stochastic Systems on Hilbert Space.

(15) (1hr Invited talk), Int. Symposium on Optimal Control of Infinite Dimensional Stochastc Systems, Banach Center, Institue of Mathematics, Polish Academy of Science, Warsawa, Poland, June 8-11,1998. Topic: Viscosity Solution for Controlled McKean-Vlasov Equation.

(16) (Keynote Speaker), Int. Conf. on Optimization Techniques and Applications, Perth, Western Australia, July 1-3,1998, Topic: Disrtibuted Parameter Systems with Applications to Engineering.

(17) (Keynote Speaker), The Third Int.. DCDIS Conference on Engineering Applications and Computational Algorithm, May 15-18, 2003,       Guelph, Ontario, Canada, Topic: State Space Models for Computer Communication Network and Stochastic Traffic with Performance Analysis.

(18) AMS Special Session, AMS Joint meeting, New Orleans, (2007), Differential Inclusions Driven by Vector Measures and Their Optimal   Control

             (19):  International Conference on Dynamic systems and applications, Parabolic and Hyperbolic Systems Governed by Co-ercive Operator          Valued Measures and optimal Control , Atlanta, May 2007

         (20) ICIAM (international Congress in Applied Mathematics, Hyperbolic systems Driven by Controls Taking Values from the Space of Vector

          Measures, Zurich, July 16-20,  2007.

       (21)  IFIP TC-7, Evolution Equations Determined by Vector and Operator Valued Measures and optimal Control, 2007, Krakow, Poland,                   July  2007,

INVITED PAPERS

1. "Identification of Linear Operators in Differential Equations on Banach Space", presented at the Special Session on Operator Methods in Optimal Control of the American Math. Soc. Meeting, New Orleans, Louisiana, U.S.A., Jan. 1986, A.M.S. Abstracts, Vol. 7, No. 1, p. 150.

2. "Abstract Stochastic Evolution Equations and Related Control and Stability Problems", presented at the IFIP Conf. on Control Systems Governed by Partial Differential Equations, Gainesville, FLA, U.S.A., Feb. 1986 (to appear in the book edited by Prof. I. Lasiecka, published by Optimization Software Inc., published in New York).

3. "Optimal Controls for Differential Inclusions on Banach Spaces", presented at the 7th International Conference on Nonlinear Analysis and Applications, Arlington, Texas, July-Aug. 1986.

4. "On the Stabilization of Flexible Spacecraft with Multiple Appendages", 23rd Annual Meeting of the Society of Engineering Science, State University of New York at Buffalo, N.Y., Aug. 1986.

5. "Identification of Systems Governed by Evolution Equations on Banach Space", IFIP Conf. on Control of Systems Governed by Partial Differential Equations, Santiago de Compostela, Spain, July, 1987.

6. "Modelling & Control of Flexible Space Structures", 3rd Annual Conference on Aerospace: Computational Control, JPL/NASA/NSF/DoD, Los Angeles, California, August 28-30, 1989.

7. "Non-Linear Integral Equations on Banach Spaces", Canadian Math Society: Winter Meeting - December, 1989, Montreal, Canada.

8. "Computer Aided Design of Optimal Regulators and Filters with Constraints", IFIP Conf. on System Modelling and Optimization, Lapzig, DDR, July 1989, (to appear) in Lecture Notes in Springer-Verlag.

9. "Relaxed Controls for Stochastic Boundary Value Problems in Infinite Dimension", IFIP Conf. WG7.2 TC7, Irsee, F.R. Germany, April 1990, in Lecture Notes in Control and Information Sciences, Springer-Verlag,Vol. 149, pp 1-10, 1991.

10. "Linear Filtering with Constraints and Partially Observed Controls", International Conference on Control and Modelling, July 17-20, 1990, University of Tehran, Iran, Proc. Control and Modelling, pp. 198-203.

11. "Stability and Control of Nonlinear Flexible Systems" Fifth Workshop on Control Mechanics in Honor of the Seventieth Birthday of ANGELO MIELE, January 21-23. 1992, University of Southern California, USA.

12. Existence of Solutions of Nonlinear Stochastic Differential Inclusions on Banach Spaces. 1st World Congress of Nonlinear Analysts, Tampa, Florida, USA, Aug.19-26, 1992.

13. Feedback Stabilization of Infinite Dimensional Stochastic Systems Applied to Shuttle Orbiter, SIAM Coference on Control and its Applications, Minneapolis, Minnesota, USA, Sept.17-19, 1992.

14. Optimal Control of Infinite Dimensional Systems Governed by Integro Differential Equations, At the Joint conference of the AMS (American Mathematics Society) , Special Session on Integro Differential Equations, San Antonio, Texas, USA, Jan 13-16, 1993.

15. Partially Observed Control of Stochastic Systems on Hilbert Space, At the Joint conference of the AMS (American Mathematics Society) , Special Session on Stochastic Systems and Applications, San Francisco, California, USA, Jan 4-7, 1995.

16. Functional Differential Inclusions on Banach Spaces and Optimal Control, At the Joint conference of the AMS (American Mathematics Society) , Special Session on Nonlinear Dynamics , San Francisco, California, USA, Jan 4-7, 1995.

17. A Semlinear McKean-Vlasov Stochastic Evolution Equation in Hilbert Space, At the Sochastic Symposium, Banach center, Warswa, Poland, March 11-21, 1995.

18. Partially Observed Optimal Controls for Infinite Dimensional Stochastc Systems, At the Sochastic Symposium, Banach center, Warswa, Poland, March 11-21, 1995.

19. AMS (American Math. Soc.) meeting (942), Nevada, Special Session, on Control and Dynamics of Partial Differential Equations, April 10-11, 1999.

PAPERS PRESENTED AT CNFERENCES WITHOUT PROCEEDINGS

1.    Mathematical Challenges of the Artificial Heart, Tenth Canadian Symposium on Fluid Dynamics, Saint John, New Brunswick, CANADA, June 4-6, 1992.

2. An Existence Theorem for Differential Inclusions on Banach Space, Joint AMS meetings, Baltimore, Jan.8-11, 1992, (See Abstract s Vol 13, No.1, p75, 1992

 

TRAINING

 Proram Completed:

 

10. X.H.Ouyang,

9. Farzad Rezaei, A Class of Optimization Problems with Applications, (2007), (Ph.D)

8. Alireza Farhadi, Stochastic Control  Through Limited Capacity Channel, Ph.D (2007) (6yrs), Cosupervisor with  C.D. Charalambos.

 

7. Qun Wang, MA.Sc (E.E), (Aug. 2001), A Dynamic Model of Token Bucket BasedAccess Control in Computer Networks, (Jointly supervised with Prof. Orozco Barbosa), Montreal .

6. Md. Abul Bashaer, MA.Sc. (E.E), (May. 2002),  “Modeling Simulation and Numerical Analysis of  Unregulated Power Distribution Network”, Bangladesh Water & Power Development)

5.   Harbi Hani, MA.Sc(E.E), 1995-1997, “Dynamic Models of Suspension Bridges and Their Stability” “, Ass. Prof. University of UAE, Dubai

4.   Harbi Hani, Ph.D (E.E), 1997- 2001, “Stability of Certain Models of Suspension Bridges “, Ass. Prof. University of UAE, Dubai.

3.   Kerbal Sebti, Ph.D (Math.), 1993-1998, Optimal Control for Systems Governed by B- Evolutions, Ass. Prof. University of  UAE, Dubai.

2. K.C.Rajgopalan,MA.Sc(E.E), 1995-1997, Time-Frequency Heart Rate Variability Spectra, Heart Institute, Ottawa.

1.  X. Xiang, PDF, 2002 (Summer 2002), Professor, Guizhu University, Guiyang, P.R. China

Currently in  program:

7.   Xing Lu, (Self Financed), MA.Sc, (Computer Science), Model (in progress).

6. Yong Juan He, (Self Financed), MA.Sc, (Sytems), Canadian Population Mathematical Model (in progress).

5. Bo Li, MA.Sc.(E.E), (Aug.2002), (Jointly with Professor Orozco Barbosa), Optimization of Computer Network Traffic Controllers using Dynamic Programming and Genetic Algorithm, Thesis submitted, waiting for defence.

4. Yan Hong, (self Financed), MA.Sc, Systems Science, Sept. 2002, Performance Analysis of Computer Communication Networks Subject to Traffic characterized by Doubly Stochastic  Poisson Process, Preparing Thesis.

3. Cheng Li, (Self Financed), MA.Sc, (Sytems), Construction of Dynamic Models for Network Traffic and its  Stochastic Analysis (in progress)

2. Hui Song, (MA.Sc) (Systems),  Inverse Problem,  Approximation of real traffic by Poisson Traffic

     with  Parameter Identification (in progress).

 

1. Ernest Ngongo, (self Financed), (MA.Sc), (Jointly with Professor C.Charalambos) Nonlinear  Filtering (in progress).

 

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