Publications before 1996

A parallel algorithm for the eigenvalue assignment problem in linear systems (with A. Bhaya and M. Coutinho), Proc. Int. Conference on Control and Information , (1995), 163-168 (Invited paper).

A parallel algorithm for the Lyapunov matrix equation (with Conrad Fernandes) Proc. American Control Conference , (1995), 4050-4054 (Invited paper).

Linear and numerical linear algebra in control theory: Some research problems , Lin. Alg. Appl. (1994), vol. 197-198, 755-790.

Recent developments in large-scale and parallel matrix computations and their applications to linear control problems , Invited Paper, Proc. IEEE Conference on Decision and Control, (1994), 438-442.

On computing the frequency response matrix for large and sparse linear systems (with Samar Choudhary and M. Heroux). Proc. International Aerospace Congress , Moscow, August 1994 (Invited paper).

Feedback stabilization of the second-order model: A nonmodal approach (with F. Rincon), Lin. Alg. Appl., 188 (1993), 138-161.

High performance computing in control , SIAM Book on Parallel Processing for Scientific Computing (1993), 274-281.

Large-scale and parallel computations in control: A Tutorial ( invited paper) in, Proc. American Control Conference , (1992), 137-141.

Parallel Algorithms in Control Theory , Proc. IEEE Conference on Decision and Control , (1991), 1700-1704 ( Invited paper ).

Arnoldi methods for large Sylvester-like observer matrix equations and an associated algorithm for partial spectrum assignment (with Y. Saad), Lin. Alg. Appl. (dedicated to G. H. Golub, R. Varga and D. Young), vol. 154-156, (1991), 225-244.

On feedback-stabilization of the large second-order model (with F. Rincon), Proc. IEEE Conference on Decision and Control , 1990 and Trans. Soc. for Computer Simulation , vol. 8, no. 2 (1991), 99-108.

Numerical algorithms for the eigenvalue assignment problem via observer matrix equations , Proc. IEEE Conference on Decision and Control , (1990).

An algorithm for the multi-input eigenvalue assignment problem (with Mark Arnold), IEEE Trans. Auto. Control , (1990), 1149-1152.

On canonical form and eigenvalue assignment (with K. Datta), Lin. Alg. Appl. 13 , (1990), 161-182.

Large scale and parallel matrix computations in control: some ideas , Lin. Alg. Appl. 12 , (1989), 243-364.

Bezoutian, Vandermonde matrices and the stability criterion of Lienard and Chipart (with Paul Fuhrman), Lin. Alg. Appl. , 120 , (1989), 23-37.

Large scale solutions of Sylvester matrix equation and partial pole assignment problems (with Y. Saad), Proc. 4th Int. Fed. Automatic Control Symposium on Computer-Aided Control Design , Pergamon Books Ltd., 1988.

An algorithm for assigning eigenvalues in a Hessenberg matrix: single-input case , IEEE Trans. Auto. Control , AC-32 (1987), 414-417.

The matrix equation XA=A^TX and associated algorithms for inertia and stability problems (with K. Datta), Lin. Alg. Appl., 97 , (1987), 103-119.

A Hessenberg method for the positive semidefinite Lyapunov equation (with K. Datta), Proc. 26th IEEE Conference on Decision and Control (1987).

Toeplitz algorithms for controllability, GCD and Cauchy Index (with K. Datta), Proc. American Control Conference (1986), 415-418. ( Invited paper )

On determining eigenvalue distribution of a matrix in certain regions of the complex plane (with K. Datta), IEEE Trans. Auto Control , AC-31 (1986), 445-447.

Review of matrices and indefinite scalar products , Lin. Alg. Appl., 74 , (1986), 277-279.

On the root separation of polynomials and inertia theory for matrices (invited paper), Proc. 25th IEEE Conference on Decision and Control. (1986), 1959-1962.

Theoretical and computational aspects of some linear algebra problems in control theory (with K. Datta), Computational and Combinatorial Methods in Systems Theory (1986), 202-212. Edited by C. Byrnes and A. Lindquist ( Invited paper ).

Efficient parallel algorithms for controllability and eigenvalue assignment problems (with K. Datta), Proc. 24th IEEE Conference on Decision and Control , (1985), 1611-1616.

Sequential and parallel computations and complexities for determining relative primeness, stability and inertia (with K. Datta), Contemporary Mathematics , vol. 47 (Special issue on Linear Algebra and its Role in Systems Theory ) (1985), 95-109, American Math. Society.

An analysis and synthesis of classical Fujiwara-methods for the root-separation problem , J. Math. Anal. Appl ., vol. 98 , (1984), 495-501.

Stability and controllability , Int. Journal of Control , vol. 38, (1984), 1013-1022.

A new criterion of controllability , IEEE Trans. Auto. Control , AC-29 (1984), 444-446.

On the controllability of matrix pairs (A,K) with K positive semidefinite (with D. Carlson and H. Schneider), SIAM J. Algebraic and Discrete Methods, vol. 5, (1984), 346-350.

Generalized Hankel matrices of Markov parameters and their applications in control problems , Lin. Alg. Appl. , 62 , (1984), 139-154.

A fast solution method for positive semidefinite Lyapunov matrix equation (with K. Datta), Proc. 2nd Latin American Conference in Applied and Computational Mathematics , Rio de Janeiro, Brazil, 1983.

On the structure of the unique solution to a Lyapunov matrix equation , SIAM Review , July 1982.

A solution of the unit circle problem via Schwarz canonical form , IEEE Trans. Auto. Control , AC-27 (1982), 698-700.

A semi-definite Lyapunov Theorem and characterization of tridiagonal-stable matrices (with D. Carlson and C. Johnson), SIAM J. Alg. Discrete Methods , vol. 3, (1982), 293-304.

An algorithm for computing commuting matrices with applications , Matrix and Tensor Quarterly , vol. 30, (1980), no. 2, 114-115.

On the computation of the characteristic polynomial of a Hessenberg matrix , Journal of Industrial Mathematics Soc. (USA), vol. 30, part 1, (1980), 55-60.

Controllability, Bezoutian and relative primeness , Inter. J. Math. and Math. Sc. (USA), vol. 3, no. 1 (1980), 185-188.

Matrix equations, polynomial matrix and the number of zeros of a polynomial inside the unit circle , Linear and Multilinear Algebra (USA), vol. 9, (1980), 63-68.

A relationship between a Hankel matrix of Markov parameters and the associated matrix polynomial with some applications , Czech. Math. Journal , vol. 30, (1980), 71-79.

Application of the Bezoutian bilinear form to the solution of the aperiodicity problem , Matrix and Tensor Quarterly , vol. 30, no. 3, (1980), 76-80.

On the effective computation of the inertia of a non-Hermitian matrix (with D. Carlson), Numerische Matematik , vol. 33, (1979), 315-322.

Application of the Hankel matrices of Markov parameters to the solutions of the Routh-Hurwitz and Schur-Cohn problems , J. Math. Anal. Appl. vol. 69, (1979), 276-290.

The Lyapunov matrix equations S A + A^*S = S^* B^* BS (with D. Carlson), special issue of Lin. Alg. Appl. dedicated to A. Householder, vol. 28, (1979), 43-53.

On the Routh-Hurwitz-Fujiwara and the Schur-Cohn-Fujiwara Theorems for the root-separation problems , Lin. Alg. Appl. , vol. 22, (1978), 235-246.

Stability and D-stability , Lin. Alg. Appl. , vol. 21, (1978), 135-141.

An elementary proof of the stability criterion of Lienard and Chipart , Lin. Alg. Appl. , vol. 122, (1978), 89-96.

Two inertia theorems for Hessenberg matrices and their applications to stability analysis of linear control systems , Matrix and Tensor Quarterly , vol. 29, (1978), 55-63.

Comments on application of Hankel matrix to the root-location problem , IEEE Trans. Auto.\ Control , June (1978).

Matrices satisfying Siljak's conjecture , IEEE Trans. Auto. Control , AC-22 (1977), 132-133.

An algorithm for computing powers of a Hessenberg matrix and its applications (with Karabi Datta), Lin. Alg. Appl. , vol. 14, (1976), 273-284.

An algorithm for computing symmetrizer of a Hessenberg matrix, published under the title Datta-Method in the book Computer Based Numerical Algorithms by E. V. Krishnamurthy and S. K. Sen, Van-Nostrand East and West Press, 1976, 261-263.

A numerical method for solving the stability equations (with K. Datta), Proc. Symposium on Computer Systems, Organization and Programming , University of Calcutta, Calcutta, India, 1976.

Application of Hankel matrix to the root-location problem , IEEE Trans. Auto. Control , AC-21 (1976), 611-612.

On the computation of the Routh canonical form of a Hessenberg matrix , IEEE Trans. Auto. Control , AC-20 (1975), 273-275.

An inertia theorem for Schwarz matrix , IEEE Trans. Auto. Control , AC-20 (1975), 274-275.

On the similarity between a matrix and its Routh-canonical form , IEEE Trans. Auto. Control , AC-20 (1975), 233-274.

A constructive method for finding the Schwarz from of a Hessenberg matrix , IEEE Trans. Auto. Control , AC-19 (1974), 616-617.

Matrix equation and relative primeness of two polynomials , IEEE Trans. Auto. Control , AC-13 (1973).

The DAD theorem for non-negative symmetric matrices (with J. Csima), Combinatorial Theory , Serie A, 12 (1972), 147-152.

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