Journal papers (chronologically from most recent to old)


    2009
  1. V.L. Bageshwar, D. Gebre-Egziabher, W.L. Garrard, and T.T. Georgiou, ``A Stochastic Observability Test for Discrete-Time Kalman Filters,'' AIAA, to appear.
  2. T.T.Georgiou, J. Karlsson, and S. Takyar,``Metrics for power spectra: an axiomatic approach,'' IEEE Trans. on Signal Processing, to appear.
    2008
  3. T.T. Georgiou and A. Lindquist, ``A convex optimization approach to ARMA modeling, '' IEEE Trans. on Automatic Control, Volume 53, Issue 5, Page(s):1108 - 1119 , June 2008.
  4. Mir Shahrouz Takyar, A. Nasiri-Amini, and T.T. Georgiou, ``Weight Selection in Feedback Design with Degree Constraints,'' IEEE Trans. on Automatic Control, 53(8): 1951-1955, September 2008.
  5. S. Varigonda, T.T. Georgiou, R.A. Siegel, and P. Daoutidis, ``Optimal periodic control of a drug delivery system,'' to appear in Computers and Chemical Engineering, Elsevier, 2008.


    2007
  6. T.T. Georgiou, O. Michailovich, Y. Rathi, J. Malcolm, and A. Tannenbaum, Distribution Metrics and Image Segmentation, Linear Algebra and its Applications, 425(2-3): 663-672, September 2007.
  7. T.T. Georgiou, ``Distances and Riemannian Metrics for Spectral Density Functions,'' IEEE Trans. on Signal Processing, 55(8): 3995-4003, August 2007.
  8. T.T. Georgiou, ``An intrinsic metric for power spectral density functions,'' IEEE Signal Processing Letters, 14(8): 561-563, August 2007.
  9. T.T. Georgiou, ``The Caratheodory-Fejer-Pisarenko decomposition and its multivariable counterpart,'' IEEE Trans. on Automatic Control, 52(2): 212-228, February 2007.
  10. T.T. Georgiou, ``The maximum entropy ansatz in the absence of a time-arrow: fractional pole models,'' IEEE Trans. on Information Theory, 53(8): 2841-2851, August 2007.


    2006
  11. T.T. Georgiou, ``Decomposition of Toeplitz matrices via convex optimization,'' IEEE Signal Processing Letters, 13(9): 537- 540, September 2006
  12. A. Nasiri Amini and T.T. Georgiou, ``Tunable Line Spectral Estimators Based on State-Covariance Subspace Analysis,'' IEEE Trans.\ on Signal Processing, 54(7): 2662- 2671, July 2006.
  13. C.I. Byrnes, T.T. Georgiou, A. Lindquist, and A. Megretski, ``Generalized interpolation in $H^\infty$ with a complexity constraint,'' Trans. of the American Math.\ Society, (electronically published on December 9, 2004) Trans. Amer. Math. Soc., 358(3): 965-987, 2006.
  14. T.T. Georgiou, ``Relative Entropy and the multi-variable multi-dimensional Moment Problem,'' IEEE Trans. on Information Theory, 52(3): 1052 - 1066, March 2006.
  15. T.T. Georgiou and A. Lindquist, ``Remarks on control design with degree constraint,'' IEEE Trans.\ on Automatic Control, 51(7): 1150-1156, July 2006.


    2005
  16. A. Nasiri Amini, E. Ebbini, and T.T. Georgiou, ``Noninvasive estimation of tissue temperature via high-resolution spectral analysis techniques,'' IEEE Trans. on Biomedical Engineering, 52(2): 221-228, February 2005.
  17. T.T. Georgiou, ``Solution of the general moment problem via a one-parameter imbedding,'' IEEE Trans. on Automatic Control, 50(6): 811-826, June 2005.
  18. A. Nasiri Amini and T.T. Georgiou, ``Avoiding Ambiguity in Beamspace Processing,'' IEEE Signal Processing Letters, 12(5): 372 - 375, May 2005


    2004
  19. S. Varigonda, T.T. Georgiou, and P. Daoutidis, ``Numerical solution of the optimal periodic control problem using differential flatness,'' IEEE Trans. on Automatic Control, 49(2):271 - 275, February 2004.
    2003
  20. T.T. Georgiou and A. Lindquist, ``Kullback-Leibler approximation of spectral density functions,'' IEEE Trans. on Information Theory, 49(11), November 2003.
    2002
  21. T.T. Georgiou, ``Spectral analysis based on the state covariance: the maximum entropy spectrum and linear fractional parameterization,'' IEEE Trans. on Automatic Control 47(11): 1811-1823, November 2002.

  22. T.T. Georgiou, ``The structure of state covariances and its relation to the power spectrum of the input,'' IEEE Trans. on Automatic Control 47(7): 1056-1066, July 2002.


    23. 2001
  23. S. Varigonda and T.T. Georgiou, ``Dynamics of relay relaxation oscillators,'' IEEE Trans. on Automatic Control, 46(1): 65-77, January 2001.
  24. T.T. Georgiou, ``Spectral Estimation via Selective Harmonic Amplification,'' IEEE Trans. on Automatic Control 46(1)}: 29-42, January 2001.
  25. T.T. Georgiou and M.C. Smith, ``Remarks on ``Robustness Analysis of Nonlinear Feedback Systems An Input-Output Approach,'' IEEE Trans. on Automatic Control}, 46(1): 171-172, January 2001.
  26. T.T. Georgiou, ``Analytic Interpolation and the Degree Constraint,'' Int. J. Applied Mathematics and Computer Science, March 2001, vol. 11, No 3, 101-109.
  27. U. Walther, T.T. Georgiou and A. Tannenbaum, ``On the Computation of Switching Surfaces in Optimal Control: A Groebner Basis Approach,'' IEEE Trans. on Automatic Control, April 2001.
  28. C. I. Byrnes, T.T. Georgiou, and A. Lindquist, ``A generalized entropy criterion for Nevanlinna-Pick interpolation: A convex optimization approach to certain problems in systems and control'', IEEE Trans. on Automatic Control, 45(6): 822-839, June 2001.


    29. 2000
  29. T.T. Georgiou, ``Signal Estimation via Selective Harmonic Amplification: MUSIC redux,'' IEEE Trans. on Signal Processing, 48(3): 780-790, March 2000.
  30. T.T. Georgiou and M.C. Smith, ``Robustness of a relaxation oscillator,'' International Journal of nonlinear and robust control, 10: 1005-1024, October 2000.
  31. C. I. Byrnes, T.T. Georgiou, and A. Lindquist, ``A new approach to spectral estimation: A tunable high-resolution spectral estimator,'' IEEE Trans. on Signal Processing, 48(11):} 3189-3206, November 2000.

    1999
  32. T.T. Georgiou, ``The interpolation problem with a degree constraint,'' IEEE Trans. on Automatic Control, 44(3): 631-635, March 1999.
  33. I. Fialho and T. T. Georgiou, ``Worst-Case Analysis of Nonlinear Feedback Systems,'' IEEE Trans. on Automatic Control, 44(6): 1180-96, June 1999.

    1997
  34. T.T. Georgiou and M.C. Smith, ``Robustness Analysis of Nonlinear Feedback Systems An Input-Output Approach,'' IEEE Trans. on Automatic Contr. , 42(9): 1200-1221, September 1997.
  35. I.J. Fialho and T.T. Georgiou, L_1 State-feedback control with a prescribed rate of exponential convergence, IEEE Trans. on Automatic Contr. , 42(10): 1476-1481, October 1997.
  36. T.T. Georgiou, M. Khammash, and A. Megretski, ``On a large-gain theorem,'' Systems and Control letters, 32(4): 231-234, December 1997.

    1995
  37. H. Dym, T.T. Georgiou, and M.C. Smith, ``Explicit formulas for optimally robust controllers for delay systems,'' IEEE Trans. on Automatic Contr., 40(4): 656-669, April 1995.
  38. T.T. Georgiou and M.C. Smith, ``Intrinsic difficulties in using the doubly-infinite time axis for input-output systems theory,'' IEEE Trans. on Automatic Contr. , 40(3): 516-518, March 1995.
  39. I. Fialho and T.T. Georgiou, ``On the L_1-norm of uncertain linear systems,'' IEEE Trans. on Automatic Contr., 40(6): 1142-1147, June 1995.

    1994
  40. C. Shankwitz and T.T. Georgiou, ``On the envelope of spectral power of stochastic processes,'' IEEE Trans. on Information Theory, 40(2): 584-588, 1994.
  41. T.T. Georgiou, "Differential stability and robust control of nonlinear systems," Mathematics of Control, Signals and Systems, 6(4): 289-307, 1993.
  42. T.T.Georgiou and M.C. Smith, ``Graphs, causality and stabilizability: linear, shift-invariant systems on L2[0,infinity),'' Mathematics of Control, Signals and Systems, 6(3): 195-223, 1993.
  43. C.Chang and T.T. Georgiou, ``Geometric aspects of the Caratheodory extension problem,'' Linear Algebra and its Applications, 203/4: 209-251, 1994.
  44. I. Fialho and T.T.Georgiou, ``On Stability and performance of sampled-data systems subject to wordlength constraint'' IEEE Trans. on Automatic Contr. , 39(12): 2476-2481, December 1994,

    1993
  45. T.T. Georgiou and M.C. Smith, ``Approximation in the gap metric: upper and lower bounds'' IEEE Trans. on Automatic Control, 38(6): 946-951, 1993.
  46. C.Foias, T.T. Georgiou, and M.C. Smith, ``Robust stability of feedback systems: A geometric approach using the gap metric'', SIAM Journal on Control and Optimization, 31(6): 1518-37, November 1993.
  47. S.Buddie, T.T. Georgiou, Umit Ozguner, and M.C. Smith, ``Flexible Structure Experiments at JPL and WPAFB'', International Journal of Control, 58(1): 1-19, 1993.
  48. J.C. Doyle, T.T. Georgiou, and M.C. Smith, ``The parallel projection operators of a nonlinear feedback system,'' Systems and Control letters, 20: 79-85, 1993.

    1992
  49. C. Chang and T.T. Georgiou, ``On a Schur algorithm based approach to spectral factorization: Connection with the Riccati equation'', Linear Algebra and Applications 171: 233-247, 1992.
  50. T.T. Georgiou and M.C. Smith, ``Robust stabilization in the gap metric: Controller design for distributed plants'', IEEE Trans. on Automatic Control, 37: 1133-1143, August 1992.

    1990
  51. T.T. Georgiou and M.C. Smith, ``Optimal robustness in the gap metric'', IEEE Transactions on Automatic Control, 35:673-686, June 1990.
  52. C. Shankwitz and T.T. Georgiou, ``On the maximum entropy method for interval covariance sequences'', IEEE Transactions on Acoustics, Speech, and Signal Processing, 38:1815-1817, October 1990.

    1989
  53. T.T. Georgiou, ``Computational aspects of spectral factorization and the tangential Schur algorithm'', IEEE Trans. on Circuits and Systems, 36(1): 103-108, January 1989.
  54. T.T. Georgiou and P.P. Khargonekar, ``Spectral factorization of matrix valued functions using interpolation theory'', IEEE Trans. on Circuits and Systems, 36(4): 568-574, April 1989.
  55. T.T. Georgiou and M.C. Smith, ``W-stability of feedback systems'', Systems and Control Letters, 13:271-277, November 1989.

    1988
  56. T.T. Georgiou, ``On a Schur-algorithm based approach to spectral factorization: State-space formulae'', Systems and Control Letters, 10(2): 123-129, February 1988.
  57. B.A. Francis and T.T. Georgiou, ``Stability theory for Linear Time-Invariant Plants with Periodic Digital Controllers'', IEEE Trans. on Automatic Control, 33(9): 820-832, September 1988.
  58. T.T. Georgiou, ``On the computation of the gap metric'', Systems and Control Letters, 11(4): 253-257, October 1988.
  59. A.M. Pascoal, P.P. Khargonekar, and T.T. Georgiou, ``Pointwise Stabilizability of Families of Linear Time Invariant Plants'', IEEE Trans. on Automatic Control, 33(12): 1161-1165, December 1988.

    1987
  60. T.T. Georgiou and P.P. Khargonekar, ``A constructive algorithm for sensitivity optimization of periodic systems'', SIAM J. on Control and Optimization, 25(2): 334-340, March 1987.
  61. E. Foufoula-Georgiou and T.T. Georgiou, ``Interpolation of binary series based on discrete time Markov chain models'', Water Resources Research, 23(3): 515-518, March 1987.
  62. P.P. Khargonekar, T.T. Georgiou, and A.M. Pascoal, ``On the robust stabilizability of linear time-invariant plants with unstructured uncertainty'', IEEE Trans. on Automatic Control, AC-32: 201-207, March 1987.
  63. T.T. Georgiou, ``Realization of power spectra from partial covariance sequences'', IEEE Trans. on Acoustics, Speech, and Signal Processing, AASP-35(4): 438-449, April 1987.
  64. T.T. Georgiou and P.P. Khargonekar, ``Spectral factorization and Nevan\-linna-Pick interpolation'', SIAM J. on Control and Optimization, 25(3): 754-766, May 1987.
  65. T.T. Georgiou, ``A topological approach to Nevanlinna-Pick interpolation'', SIAM J. on Mathematical Analysis, 18(5): 1248-1260, September 1987.
  66. T.T. Georgiou, A.M. Pascoal, and P.P. Khargonekar, ``On the robust stabilizability of uncertain linear time-invariant plants using nonlinear time-varying controllers'', Automatica, 23(5): 617-624, September 1987.

    1986
  67. T.T. Georgiou and P.P. Khargonekar, ``Linear fractional transformations and spectral factorization'', IEEE Trans. on Automatic Control, AC-31: 345-347, April 1986.

    1983
  68. P.P. Khargonekar, T.T. Georgiou, and A.B. Ozguler, ``Skew prime polynomial matrices: the polynomial model approach'', Linear Algebra and Applications, 50, April 1983, pp. 403-435.

    Book chapters

    1. C. Chang and T.T. Georgiou ``The Schur algorithm: Connections with the Difference Riccati equation, the Chandrasekhar algorithm, and square-root filtering,'' International Symposium MTNS-89, in Signal Processing, Scattering and Operator Theory, and Numerical Methods, Volume III, pp. 207-213, Birkhauser, 1990.
    2. T.T. Georgiou and M.C. Smith, ``Robust stabilization in the gap metric,'' in Control of Uncertain Systems, ed. Hinrichsen and Martensson, Birkhauser, pp. 69-82, 1990 (Workshop on the Control of Uncertain Systems, Bremen, GDR, June 1989).
    3. C.Foias, T.T. Georgiou and M.C. Smith, ``Robust stabilization in the gap metric: a geometric approach,'' in Recent Advances in Mathematical Theorey of Systems, Control, Networks and Signal Processing I, ed. Kimura and Kodama, Mita Press, pp. 177-182, 1992. (Proceedings of the 1991 International Conference on the Mathematical Theory of Networks and Systems, Kobe, Japan, June 17-21, 1991).
    4. T.T. Georgiou and M.C. Smith, ``Linear systems and robustness: a graph point of view,'' in Lecture Notes in Control and Information Sciences, Springer-Verlag, 1992, 183, pp. 114-121. (Proceedings of the 1991 Tokyo Robust Control Workshop).
    5. T.T. Georgiou and M. C. Smith, Topological Approaches to Robustness, Lecture Notes in Control and Information Sciences, 185, pp. 222-241, Springer-Verlag, 1993.
    6. T.T. Georgiou and M. C. Smith, ``Metric Uncertainty and Nonlinear Feedback Stabilization,'' in Feedback Control, Nonlinear Systems, and Complexity, B.A. Francis and A.R. Tannenbaum (Editors), Springer-Verlag, Lecture Notes in Control and Information Sciences, 202, pp. 88-98, 1995.
    7. A. Teel, T.T. Georgiou, L. Praly, and E.D. Sontag, ``Input-Output Stability,'' in The Control Handbook, CRC Press, pp. 895-908 1996.
    8. T.T. Georgiou and A. Tannenbaum, ``Switching Surfaces and Groebner Bases,'', in Lecture Notes in Control and Information Sciences, Title: Learning, Control and Hybrid Systems, Springer-Verlag, Yutaka Yamamoto and Shinji Hara, editors, vol. 241, pages 81-89, 1998.
    9. C. I. Byrnes, T. T. Georgiou and A. Lindquist, Advances in high-resolution spectral estimation, System Theory: Modeling, Analysis and Control,T.E. Djaferis and I.C. Schick (editors), Kluwer Academic Publishers, 2000, 167-179.
    10. I.J. Fialho and T.T. Georgiou, Chapter 7: Computational Algorithms for Sparse Optimal Digital Controller Realizations, in Digital Controller Implementation and Fragility: A Modern Perspective, Robert SH Istepanian & James F Whidborne (editors) Springer-Verlag, 2001.
    11. T.T. Georgiou, P.J. Olver, and A. Tannenbaum, Maximal entropy for reconstruction of back projection images, IMA Volumes in Mathematics and its Applications, Volume 133: Mathematical methods in computer vision Springer-Verlag, New York, 2002.
    12. T.T. Georgiou, Toeplitz covariance matrices and the von Neumann relative entropy, in Control and Modeling of Complex Systems: Cybernetics in the 21st Century: Festschrift volume for Professor H. Kimura; K. Hashimoto, Y. Oishi, and Y. Yamamoto, Eds. Boston, MA: Birkhauser, 2003.
    13. T.T. Georgiou, Structured covariances and related approximation questions, in Lecture Notes in Control and Information Sciences, Volume 286, 2003, pp. 135-140, Springer Verlag, 2003.
    14. T.T. Georgiou, The mixing of state covariances, in Lecture Notes in Control and Information Sciences, Volume 289, 2003, pp. 207-212, Springer Verlag, 2003.
    15. T.T. Georgiou, Distances between time-series and their autocorrelation statistics, in Lecture Notes in Control and Information Sciences, Springer Verlag, 2007 (to appear).
    16. X. Jiang, S. Takyar, and T.T. Georgiou, Metrics and morphing of power spectra, in Lecture Notes in Control and Information Sciences, Springer Verlag, 2008 (to appear).

      Conference publications

      1. P.P. Khargonekar, T.T. Georgiou, and A.B. Ozguler, ``Skew prime polynomial matrices and invariant subspaces,'' Proceedings of the 1981 International Symposium on the Mathematical Theory of Networks and Systems, pp. 139-143, August 1981.
      2. T.T. Georgiou and P.P. Khargonekar, ``On the partial realization problem for partial covariance sequences,'' Proceedings of the Princeton conference on Information Systems and Sciences, pp. 181 (abstract), March 1982.
      3. T.T. Georgiou, ``Topological aspects of the Caratheodory problem,'' Proceedings of the IEEE Conf. on Acoustics, Speech, and Signal Processing, pp. (5.10)1-4, March 1984.
      4. T.T. Georgiou, F. Hamano, Z. Roth, and Y. Shamash, Robotics in Engineering Curriculum, Proceedings of the 1984 Frontiers in Education Conference, August 1984.
      5. T.T. Georgiou, ``A topological view of the Nevanlinna-Pick problem: solutions of dimension $n$,'' Proceedings of the IEEE Conf. on Decision and Control, pp. 315-319, December 1984.
      6. T.T. Georgiou and P.P. Khargonekar, ``Spectral factorization using analytic interpolation theory,'' Proceedings of the 1986 IEEE International conference on Decision and Control, Athens, Greece, pp. 7-11, December 1986.
      7. P.P. Khargonekar, T.T. Georgiou, and A.M. Pascoal, ``Robust stabilizability of linear time-invariant plants: Nonlinear time-varying controllers,'' Proceedings of the 1986 IEEE Conf. on Decision and Control, Athens, Greece, pp. 832-837, December 1986.
      8. T.T. Georgiou, A.M. Pascoal, and P.P. Khargonekar, ``On the robust stabilizability of uncertain linear time invariant plants using nonlinear time varying controllers,'' Proceedings of the 1987 American Control Conference, pp. 904-909, June 1987.
      9. T.T. Georgiou, ``Spectral factorization of matrix-valued functions using interpolation theory: State-space formulae,'' 1987 International symposium on the Mathematical Theory of Networks and Systems, Phoenix, AZ, June 1987, Linear Circuits Systems and Signal Processing: Theory and Application, pp. 525-532, North-Holland, 1988.
      10. A.M. Pascoal, T.T. Georgiou, and P.P. Khargonekar, ``Pointwise stabilizability of linear time invariant plants with unstructured uncertainty,'' Proceedings of the 1987 IEEE Conf. on Decision and Control, pp. 895-899, Los Angeles, CA, December 1987.
      11. T.T. Georgiou, ``Computational aspects of spectral factorization and the tangential Schur algorithm,'' Proceedings of the 1987 IEEE Conf. on Decision and Control, pp. 805-810, Los Angeles, CA, December 1987.
      12. B.A. Francis and T.T. Georgiou, ``Stability theory for Linear Time-Invariant Plants with Periodic Digital Controllers,'' Proceedings of the 1988 American Control Conference, pp. 1225-1231, Atlanta, GA, June 1988.
      13. T.T. Georgiou, ``On the computation of the gap metric,'' Proceedings of the 1988 IEEE Conf. on Decision and Control, pp. 1360-1361, Austin, TX, December 1988.
      14. T.T. Georgiou ``On the degeneracy of Toeplitz matrices having a rational symbol,'' 1989 International Symposium on the Math. Theory of Networks and Systems, Amsterdam, The Netherlands, abstract, June 1989.
      15. C. Foias, A. Tannenbaum, D. Enns, T.T. Georgiou, M. Jackson and B. Schipper, ``Uniformly optimal control for nonlinear systems,'' Proceedings of the 1989 IEEE Conf. on Decision and Control, Tampa, FL, pp. 986-989, December 1989.
      16. T.T. Georgiou and M.C. Smith, ``Optimal robustness in the gap metric,'' Proceedings of the 1989 IEEE Conf. on Decision and Control, Tampa, FL, pp. 2331-2336, December 1989.
      17. T.T. Georgiou and M.C. Smith, ``Robust control of feedback systems with combined plant and controller uncertainty,'' Proceedings of the 1990 American Control Conf., San Diego, CA, pp. 2009-2013, May 1990.
      18. T.T. Georgiou and M.C. Smith, ``Robust stabilization in the gap metric: Controller design for distributed plants,'' Proceedings of the 1990 American Control Conf., San Diego, CA, pp.\ 1570-2009, May 1990.
      19. T.T. Georgiou and M.C. Smith, ``Optimal robustness in the gap metric,'' Proceedings of the 11th IFAC World Congress, Tallinn, Estonia, USSR, August 1990.
      20. C.Foias, T.T. Georgiou and M.C. Smith, ``Geometric techniques for robust stabilization of linear time-varying systems,'' Proceedings of the 1990 IEEE Conf. on Decision and Control, pp. 2868-2873, Hawaii, December 1990.
      21. C. Shankwitz and T.T. Georgiou, ``On the envelope of spectral power of stochastic processes,'' Proceedings of the 1991 American Control Conference, June 1991.
      22. C. Chang and T.T. Georgiou, ``On a Schur algorithm for spectral factorization: the general case,'' Proceedings of the 1991 American Control Conference, June 1991.
      23. T.T. Georgiou and M.C. Smith, ``Upper and lower bounds for approximation in the gap metric,'' Proceedings of the 1991 IEEE Conf. on Decision and Control, Brighton, U.K., December 1991, pp. 2262-2267.
      24. M. Englehart, T.T. Georgiou, and M.C. Smith, ``A weighted gap design-study for the space station,'' Proceedings of the 1991 IEEE Conf. on Decision and Control, Brighton, U.K., December 1991, pp. 2372-2374.
      25. C. Shankwitz and T.T. Georgiou, ``Maximum entropy identification and min-max optimal prediction,'' Proceedings of the 1991 IEEE Conf.\ on Decision and Control, Brighton, U.K., December 1991, pp. 617-622.
      26. T.T. Georgiou, C. Shankwitz and M.C. Smith, ``Identification of linear systems: a stochastic approach based on the graph,'' Proceedings of the 1992 American Control Conference, Chicago, June 1992, pp. 307-312.
      27. S. Buddie, T.T. Georgiou, U. Ozguner and M.C. Smith, Flexible structure experiments at JPL and WPAFB, Proceedings of the 1992 American Control Conference, Chicago, June 1992, pp. 1675-1680.
      28. C.Chang and T.T. Georgiou, Spectral factorization and Nevanlinna--Pick interpolation: State--space formulae, Proceedings of the 1992 IEEE Conf. on Decision and Control, Tucson, Arizona, pp.\ 437-442, December 1992.
      29. J.C. Doyle, T.T. Georgiou and M.C. Smith, The parallel projection operators of a nonlinear feedback system, Proceedings of the 1992 IEEE Conf.\ on Decision and Control, Tucson, Arizona, December 1992, pp.\ 1050--1054.
      30. T.T. Georgiou and M.C. Smith, ``Graphs, causality and stabilizability: linear, shift-invariant systems on L2[0,infinity),'' Proceedings of the 1992 IEEE Conf.\ on Decision and Control, Tucson, Arizona, December 1992, pp. 1024--1029.
      31. H. Dym, T.T. Georgiou and M.C. Smith, Explicit formulas for optimally robust controllers for delay systems, Systems and Networks: Mathematical Theory and Applications, Proceedings of the MTNS-93, Regensburg, August 2--6, 1993, Math.\ Research, vol.\ 79, Akadamie Verlag, pp. 663--666.
      32. I. Fialho and T.T.Georgiou ``On stability and performance of sampled-data systems subject to wordlength constraint'' Proceedings of the 1993 IEEE Conf.\ on Decision and Control, San Antonio, Texas, December 1993, pp. 309-14.
      33. C. Chang and T.T. Georgiou, ``A note on the Nevanlinna-Schur algorithm with real coefficients,'' Proceedings of the 1993 IEEE Conf.\ on Decision and Control, San Antonio, Texas, December 1993, pp. 2181-2.
      34. H. Dym, T.T. Georgiou and M.C. Smith, ``Direct design of optimal controllers for delay systems,'' Proceedings of the 1993 IEEE Conf.\ on Decision and Control, San Antonio, Texas, December 1993, pp. 3821-3.
      35. T.T. Georgiou, ``Differential stability and robust control of nonlinear systems,'' Proceedings of the 1993 IEEE Conf.\ on Decision and Control, San Antonio, Texas, December 1993, pp. 984-9.
      36. T.T. Georgiou, ``Remarks on Differential stability of nonlinear systems,'' Proceedings of the 1994 IEEE Conf.\ on Decision and Control. December 1994.
      37. T.T. Georgiou and M.C. Smith, ``Intrinsic difficulties in using the doubly-infinite time axis for input-output systems theory,'' Proceedings of the 1994 IEEE Conf.\ on Decision and Control.
      38. I. Fialho and T.T. Georgiou, ``On the L1-norm of uncertain linear systems, Proceedings of the 1995 American Control Conference.
      39. I. Fialho and T.T. Georgiou, ``L_1 state-feedback control with a prescribed rate of exponential convergence,'' Proceedings of the 1995 American Control Conference.
      40. A. Megretski, M. Khammash, and T.T. Georgiou, ``A large-gain theorem,'' Proceedings of the 1995 American Control Conference.
      41. T.T. Georgiou and M.C. Smith, ``Distance Measures for Uncertain Nonlinear Systems,'' Proceedings of the 1995 European Control Conference, Rome, November 1995.
      42. I. Fialho and T.T. Georgiou, ``A variational approach to L_infinity performance of nonlinear systems'' Proceedings of the 1995 IEEE Conf.\ on Decision and Control, pp. 823-828, December 1995.
      43. T.T. Georgiou and M.C. Smith, ``Remarks on robustness of nonlinear systems,'' Proceedings of the 1995 IEEE Conf.\ on Decision and Control, pp. 1662-1663, December 1995.
      44. T.T. Georgiou and M.C. Smith, ``Robustness Analysis of Nonlinear Feedback Systems,'' Proceedings of the 1996 IEEE Conf.\ on Decision and Control, Kobe, Japan, December 1996.
      45. T.T. Georgiou and M.C. Smith, ``Biased norms and metric uncertainty for nonlinear feedback systems,'' Proceedings of the 1997 IEEE Conf. on Decision and Control, pages 642-643, December 1997.
      46. T.T. Georgiou, ```Entrainment and synchrony of relaxation oscillations,'' Proceedings of the 1997 IEEE Conf. on Decision and Control, pages 1166-1156, December 1997.
      47. T.T. Georgiou, ``The interpolation problem with degree constraint,'' Proceedings of the 1998 Conf. on Decision and Control, December 1998.
      48. I. Fialho and T.T. Georgiou, ``Optimal Finite Wordlength Digital Controller Realization,'' Proceedings of the 1999 American Control Conference, June 1999.
      49. T.T. Georgiou, ``A canonical decomposition for state-covariance matrices with application to MUSIC,'' Proceedings of the 1999 IEEE Conf. on Decision and Control.
      50. U. Walther, T.T. Georgiou, and A. Tannenbaum, ``Computational Algebraic Geometry and Switching Surfaces in Optimal Control,'' Proceedings of the 1999 IEEE Conf. on Decision and Control.
      51. C.I. Byrnes, T.T. Georgiou, and A. Lindquist, ``Tunable High Resolution Spectral Estimators,'' Proceedings of the 1999 IEEE Conf. on Decision and Control.
      52. S. Varigonda and T.T. Georgiou, ``Periodic oscillations in systems with hysteresis,'' Proceedings of the 1999 IEEE Conf. on Decision and Control.
      53. T.T. Georgiou, ``Subspace analysis of covariances,'' Proceedings of the IEEE Conf. on Accoustics, Speech, and Signal Processing, Istanbul, June 2000.
      54. T.T. Georgiou, ``Co-invariant subspaces in array processing,'' Proceedings of the 2000 international workshop on the Mathematical Theory of Networks and Systems, Perpignon, France, June 2000.
      55. T.T. Georgiou, ``Analytic interpolation with degree constraint,'' Proceedings of the 2000 international workshop on the Mathematical Theory of Networks and Systems, {\em plenary lecture}, Perpignon, France, June 2000.
      56. S. Varigonda, T. T. Georgiou, R. A. Siegel and P. Daoutidis, "Computation of optimal periodic control for chemical processes," 2000 AIChE Annual Meeting, November 2000, Los Angeles, CA (abstract).
      57. T.T. Georgiou and M.C. Smith, ``Robustness of a relaxation oscillator,'' Mayedings of the 2000 Conf. on Decision and Control, Sydney, December 2000.
      58. S. Varigonda and T.T. Georgiou, ``Global stability of periodic orbits in relay feedback systems,'' Proceedings of the 2000 IEEE Conf. on Decision and Control, Sydney, December 2000.
      59. T.T. Georgiou, and A. Tannenbaum, ``High Resolution Sensing and Anisotropic Segmentation for SAR Imagery,'' Proceedings of the 2000 IEEE Conf. on Decision and Control, Sydney, December 2000.
      60. S. Varigonda, T.T. Georgiou and M. Daoutides, "A flatness based algorithm for optimal periodic control problems," American Control Conference, Arlington, VA, June 2001.
      61. T.T. Georgiou, ``Spectral Analysis as an Inverse Problem and the structure of State Covariances,'' 2001 CDC.
      62. A. Nasiri Amini and T.T. Georgiou, Statistical analysis of state-covariance subspace-estimation methods, Proceedings of the 41st IEEE Conference on Decision and Control, pp. 2633 -2638, December 2002.
      63. T.T. Georgiou and A. Lindquist, Kullback-Leibler approximation of spectral density functions, Proceedings of the 42st IEEE Conference on Decision and Control, December 2003.
      64. A. Nasiri Amini, E. Ebbini, and T. Georgiou, Noninvasive tissue temperature estimation via statecovariance spectral estimation, Proc. 10th IEEE DSP workshop, Taos, NM, August 2004.
      65. T.T. Georgiou and A. Lindquist, Two Alternative Views on Control Design with Degree Constraint, Proc. 44th IEEE Conference on Decision and Control, December 2005, pp. 3645-3650.
      66. Johan Karlsson and Tryphon T. Georgiou, Signal analysis, moment problems & uncertainty measures, Proc. 44th IEEE Conference on Decision and Control, December 2005, pp. 5710 - 5715.
      67. Tryphon T. Georgiou, Relative Entropy and Moment Problems, Proc. 44th IEEE Conference on Decision and Control, December 2005, pp. 4397 - 4403.
      68. Tryphon T. Georgiou, Singular decomposition of state covariances, Proceedings of the 2006 American Control Conference, 6 pp., June 2006.
      69. Mir Shahrouz Takyar, Ali Nasiri Amini, and Tryphon T. Georgiou, Sensitivity shaping with degree constraint via semidefinite programming, Proceedings of the 2006 American Control Conference, June 2006.
      70. Mir Shahrouz Takyar, Ali Nasiri Amini, and Tryphon T. Georgiou, Spectral analysis from multirate observations: Itakura-Saito based approximation of power spectra and Capon-like spectral envelopes, Proceedings of the Fourth IEEE Workshop on Sensor Array and Multi-channel Processing (SAM-2006), Waltham, Massachusetts, July 2006
      71. Ali Nasiri Amini, Shahrouz Takyar, and Tryphon Georgiou, A Homotopy Approach for Multirate Spectrum Estimation, Proceedings of the 2006 IEEE International Conf. on Acoustics, Speech and Signal Processing.
      72. Tryphon T. Georgiou, The error variance of the optimal linear smoother is the harmonic mean of the power spectral density,Proc. 45th IEEE Conference on Decision and Control, December 2006.
      73. Johan Karlsson, Tryphon T. Georgiou, and A. Lindquist, The Inverse Problem of Analytic Interpolation with Degree Constraint, Proc. 45th IEEE Conference on Decision and Control, December 2006.
      74. Shahrouz Takyar, Ali Nasiri Amini, and Tryphon Georgiou, Weight selection in Interpolation with a Dimensionality Constraint, Proc. 45th IEEE Conference on Decision and Control, December 2006.
      75. Shahrouz Takyar and Tryphon Georgiou, Analytic interpolation with degree constraint: the multivariable case, Proc. of the 2007 American Control Conference, New York, July 2007.
      76. Tryphon Georgiou, What is a natural notion of distance between power spectral density functions? Proc. of the 2007 European Control Converence, Kos, Greece, July 2007.
      77. Shahrouz Takyar and Tryphon Georgiou, The fractional integrator as a control design element, 2007 IEEE Conference on Decision and Control, New Orleans, December 2007.