Clement McCalla

Born: 1946; place: Linstead, Jamaica

BA (Mathematics) Cambridge University, 1968

Ph.D. (Applied Math) MIT, 1973
thesis: Optimal Control of Linear Hereditary Systems with Quadratic Criterion; advisor:

AT&T, South Laurel Ave, Middletown, NJ

personal or universal URL:



  1. Mathematical economics:
  2. Ordinary differential equations: Functional-differential and differential-difference equations: General theory and Qualitative theory
  3. Systems theory; control: Control systems: Systems governed by ordinary differential equations


  1. Clement McCalla, Ward Whitt: A Time-Dependent Queueing-Network Model to Describe the Life-Cycle Dynamics of Private-Line Telecommunication Services. Telecommunication Systems 19(1): 9-38 (2002)
  2. William A. Massey and Clement McCalla, Ward Whitt, Applications of the Infinite-Server Queue to the Management of Private Line Services. Proceedings of 1997 AT&T Services and Infrastructure Symposium (SIPS-97), Middletown, NJ, November 18-19, 1997, pp. 132-141.
  3. O. B. Jennings; W. A. Massey; and C. McCalla: Optimal Profit for Leased Lines Services. Proceedings of the 15th International Teletraffic Congress - ITC15 (editors V. Ramaswani and P. E. Wirth), June 1997, pp 803--814.
  4. A.A. Francis; Clement McCalla. Optimal Rates of Extraction of Exhaustible Resource with Analysis of the Optimal Time Problems, Social and Econmic Studies 29 (1980) 90-100.
  5. Clement McCalla: Error Performance Metrics and the Generic Design of Digital Data Circuits. Globecom '85 Conference Proceedings, pp.2.2.1--5.
  6. McCalla, Clement Oscillatory and asymptotic behavior of second-order functional differential equations. Nonlinear Anal. 3 (1979), no. 3, 283--291.
  7. McCalla, Clement Zeros of the solutions of first-order functional-differential equations. SIAM J. Math. Anal. 9 (1978), no. 5, 843--847.
  8. Francis, A. A.; Herron, I. H.; McCalla, Clement Speculative demand with supply response lag. Nonlinear systems and applications (Proc. Internat. Conf., Univ. Texas, Arlington, Tex., 1976), pp. 603--610. Academic Press, New York, 1977.
  9. McCalla, Clement A. W. Exact solutions of some functional differential equations. Dynamical systems (Proc. Internat. Sympos., Brown Univ., Providence, R.I., 1974), Vol. II, pp. 163--168. Academic Press, New York, 1976.
  10. McCalla, Clement A. W. The quadratic criterion problem for systems governed by retarded functional differential equations and a modal analysis approximation procedure. Optimal control theory and its applications (Proc. 14th Biennial#Sem. Canad. Math. Congr., Univ. Western Ontario, London, Ont., 1973), Part II, pp. 252--284. Lecture Notes in Econom. and Math. Systems, Vol. 106, Springer, Berlin, 1974.
  11. Delfour, M. C.; McCalla, C.; Mitter, S. K. Stability and the infinite-time quadratic cost problem for linear hereditary differential systems. SIAM J. Control 13 (1975), 48--88.
  12. Levinson, Norman; McCalla, Clement Completeness and independence of the exponential solutions of some functional differential equations. Studies in Appl. Math. 53 (1974), 1--15.

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