Articles in Conference Proceedings

  1. J.A. Ball and J.W. Helton, Interpolation with outer functions and gain equalization in amplifiers, Proceedings of 1979 Symposium on Math. Theory of Networks and Systems} (Ed. P. Dewilde), Western Periodicals Co., 1979, pp. 41-49.
  2. J.A. Ball, Amplifier design, signed spectral factorization and signed interpolation, Int. Symposium on Math. Theory of Networks and Systems} (Ed. N. Levan), Western Periodicals Co. North Hollywood (California), 1981, pp. 1-3.
  3. J.A. Ball and J.W. Helton, Linear fractional parametrization of matrix-function spaces and a new proof of the Youla-Jabr-Bongiorno parametrization for stabilizing compensators, in Mathematical Theory of Networks and Systems} (Ed. P. Fuhrmann), LNCIS 58 Springer Verlag, New York, 1984, pp. 16-23.
  4. J.A. Ball and A.C.M. Ran, Hankel norm approximation of rational matrix function in terms of its realization, in Modelling, Identification and Robust Control} (Ed. C.I. Byrnes and A. Lindquist), North-Holland, Amsterdam, 1986, pp. 285-296.
  5. J.A. Ball, The bitangential Nevanlinna-Pick interpolation problem: a geometric approach, in Proc. 26th IEEE Conference on Decision and Control}, Los Angeles (1987), pp. 1342-1343.
  6. J.A. Ball and D.W. Luse, Sensitivity minimization as a Nevanlinna-Pick interpolation problem, in Modelling, Robustness and Sensitivity Reduction in Control Systems} (Ed. R.F. Curtain), NATO ASI Series, Springer Verlag, New York, 1987, pp. 451-462
  7. D.W. Luse and J.A. Ball, Frequency-scale decompositions of $H^\infty$ disk problems, in Linear Circuits, Systems and Signal Processing: Theory and Application} (Ed. C.I. Byrnes, C.F. Martin and R.E. Saeks), North Holland, Amsterdam, 1988, pp. 573-580.
  8. J.A. Ball and J.W. Helton, Sensitivity bandwidth optimization for nonlinear feedback systems, in Analysis and Control of Nonlinear Systems} (Ed. C.I. Byrnes, C.F. Martin and R.E. Saeks), North Holland, Amsterdam, 1988, pp. 123-129.
  9. J.A. Ball and J.W. Helton, Well-posedness of nonlinear causal feedback systems, Proc. 26th IEEE Conf. on Decision and Control}, Los Angeles, 1987, pp. 152-154.
  10. J.A. Ball and J.W. Helton, Factorization of nonlinear systems: toward a theory for nonlinear $H^\infty$-infinity control, Proc. 27th IEEE Conf. on Decision and Control}, Austin, 1988, pp. 2376-2381.
  11. J.A. Ball, Interpolation problems for null and pole structure of nonlinear systems, Proc. 27th IEEE Conf. on Decision and Control}, Austin, 1988, pp. 14-19.
  12. J.A. Ball, N. Cohen and L. Rodman, On interpolation problems for rectangular matrix polynomials, Proc. 27th IEEE Conf. on Decision and Control}, Austin, 1988, pp. 1370-1372.
  13. J.A. Ball and J.W. Helton, $H^\infty$-control for nonlinear plants: connections with differential games, in Proc. 28th IEEE Conf. on Decision and Control}, Tampa, 1989, pp. 956-962.
  14. J.A. Ball and I. Gohberg, Cascade decomposition of linear systems in terms of realizations, in {\it Proc. 28th IEEE Conf. on Decision and Co ntrol}, Tampa, 1989, pp. 2-10.
  15. J.A. Ball and J.W. Helton, Nonlinear $H^\infty$ control: a literature survey, in Robust Control of Linear Systems and Nonlinear Control} (Ed. M.A. Kaashoek et al), PSCT 4 Birkh\"auser Verlag, Basel, 1990, pp. 1-12.
  16. J.A. Ball and L.E. Carpenter, Realization of products and Wiener-Hopf factors for a class of matrix functions analytic on a strip, in Signal Processing, Scattering and Operator Theory and Numerical Methods} (Ed. M.A. Kaashoek et al), PSCT 5 Birkh\"auser Verlag, Basel, 1990, pp. 291-300.
  17. J.A. Ball and M. Rakowski, Transfer functions with a given local zero-pole structure, in New Trends in Systems Theory} (Ed. G. Conte, A.M. Perdon and B. Wyman), PSCT 7 Birkh\"auser Verlag, Basel, 1991, pp. 81-88.
  18. J.A. Ball, I. Gohberg and L. Rodman, Interpolation problems for rational matrix functions and systems theory, in Recent Advances in Math. Theory of Systems, Control, Networks and Signal Processing I} (Ed. H. Kimura and S. Kodama), MITA Press, Osaka, 1992, pp. 3-12.
  19. J.A. Ball, J.W. Helton and M. Verma, A $J$-inner -outer factorization principle for the $H^\infty$ control problem, in Recent Advances in Math. Theory of Systems, Networks and Signal Processing I (Ed. H. Kimura and S. Kodama), MITA Press, Osaka, 1992, pp. 31-36.
  20. J.A. Ball, I. Gohberg and M.A. Kaashoek, Nevanlinna-Pick interpolation and sensitivity minimization, in Recent Advances in Math. Theory of Systems, Control, Networks and Signal Processing I} (Ed. H. Kimura and S. Kodama), MITA Press, Osaka, 1992, pp. 53-59.
  21. J.A. Ball and M. Rakowski, An application of valuation theory to the construction of rectangular matrix functions, Lin. Alg. Appl.} 162-164 (1992), 730-735.
  22. J.A. Ball, I. Gohberg and L. Rodman, Nehari interpolation problem for rational matrix functions: the generic case, in $H^\infty$ control (Ed. E. Mosca and L. Pandolfi), LNM 1496 Springer Verlag, New York, 1991, pp. 277-308.
  23. J.A. Ball, I. Gohberg and M.A. Kaashoek, The time-varying two-sided Nudelman interpolation problem and its solution, in Challenges of a Generalized System Theory} (Ed. P. Dewilde, M.A. Kaashoek and M. Verhaegen), Royal Netherlands Academy of Arts and Sciences, North-Holland, Amsterdam, 1993, pp. 45-58.
  24. J.A. Ball, J.W. Helton and M.L. Walker, Nonlinear $H^\infty$ control and the bounded real lemma, in Proc. 31st Conf. on Decision and Control}, Tuscon, 1992, pp. 1045-1049.
  25. J.A. Ball, I. Gohberg and M.A. Kaashoek, $H_\infty$-control and interpolation for time-varying systems, in Systems and Networks: Mathematical Theory and Application Vol. I} (Ed. U. Helmke, R. Mennicken and J. Sauer), Math. Research Vol. 77, Akademie Verlag, Berlin, 1994, pp. 33-48.
  26. J.A. Ball and M. Verma, A factorization principle for stabilization of nonlinear, time-varying plants, in Systems and Networks: Mathematical Theory and Applications Vol. II} (Ed. U. Helmke, R. Mennicken and J. Sauer), Math. Research Vol. 79, Akademie Verlag, Berlin, 1994, pp. 53-56.
  27. A.J. van der Schaft and J.A. Ball, Inner-outer factorization of nonlinear state space systems, in Systems and Networks: Mathematical Theory and Applications Vol. II} (Ed. U. Helmke, R. Mennicken and J. Sauer), Math. Research Vol. 79, Akademie Verlag, Berlin, 1994, pp. 529-532.
  28. A.J. van der Schaft and J.A. Ball, Nonlinear inner-outer factorization, Proc. 33rd IEEE Conference on Decision and Control, Orlando, 1994.
  29. J.A. Ball, Nevanlinna-Pick interpolation and robust control for time-varying systems, in Smart Structures and Materials 1996: Mathematics and Control in Smart Structures (26--29 February 1996, San Diego, California, Ed. V. V. Varadan and J. Chandra), Proceedings of SPIE---The International Society for Optical Engineering, pp. 76-86.
  30. J.A. Ball, M.V. Day, P. Kachroo and T. Yu, Robust control for signalized intersections, in Intelligent Transportation Systems}, Proceedings of SPIE Volume 3207 (October 15-17, 1997, Pittsburgh, PA) (Ed. M.~J. de Vries, P. Kachroo, K. Ozbay and A.C. Chachich), 1998, pp. 164-171.
  31. J.A. Ball, M.V. Day, P. Kachroo and T. Yu, An isolated traffic intersection feedback control using $H_\infty$, in {\it IEEE Conference on Intelligent Transportation Systems (Special Session on Traffic Modeling and Simulation)}, Boston, MA, November, 1997.
  32. N. Schlegel, P. Kachroo, J.~A. Ball and J.~S. Bay, Image processing based control for scaled automated vehicles, IEEE Conference on Intelligent Transportation Systems (Special Session on Intelligent Vehicles: Vision)}, Boston, MA, November, 1997.

Teaching Research Publications Vitae