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*Robust and minimum-norm partial eigenvalue assignment in vibrating
systems: A New Optimization Approach (with Z-J. Bai and J. Wang),
* To Appear in **Mechanical Systems and Signal Processing**.

*A symmetry preserving alternate projection method for finite-element
model updating (with Joali Moreno and Marcos Raydan),* the special issuse on "Inverse Problems" of the journal **Mechanical Systems and Signal
Processing, 2009, 1784-1791**.

*LMI based stability and stabilization of second-order linear
repentitive process *(with P. Dabkowski, K. Galkowski, and E.
Rogers), **Asian J. Control, 2009, vol. 12, no. 2, 1-12**.

*Spillover phenomenon in quadratic model updating,* (with
M.Chu, W.W. Lin, and S.Xu),**American Institute of Aeronautics and
Astronautics (AIAA) Journal, 2008, vol. 46, 420-429**.

*A direct method for model updating with incomplete measured data and
without spurious modes *(with J. Carvalho, A. Gupta, and M. Lagadapati),
**Mechanical Systems and Signal Processing, 2007, vol. 21, 2715-2731**.

*Quadratic Inverse Eigenvalue Problems, Active Vibration
Control and Model Updating* To Appear in **Journal of Applied and Computational Mathematics **.

* A New Algorithm for Generalized
Sylvester-Observer Equation and its Application to
State and Velocity Estimations in Vibrating
Systems* To Appear in **Numer. Lin. Alg. Appl**.

* Model Updating and Simulation of Lyapunov Exponents. *

* An Optimization Approach for Minimum
Norm and Robust Partial Quadratic
Eigenvalue Assignment Problems for
Vibrating Structures. * (with S. Brahma)**Journal of Sound and Vibration, 2008, 471-489**.

* An optimiztion technique for model updating with measured data
satisfying quadratic orthogonality constraint. * (with S.Deng, V.
Sokolov and D.R. Sarkissian)**Special Issue on "Inverse Problems" of the
Journal Mechanical Systems and Signal Processing, 2009, 1759-1772**.

* A Computational Method for Feedback Control in Distributed
Parameter Systems.* (with D. Sarkissian), Proceedings
of the 8th IEEE Int. Conference on Methods and Models in
Robotics and Automation, pp 139-144, 2002

* Krylov Subspace Methods for Large-Scale Matrix Problems in
Control.* To appear in the Special Issue on "Structural
Dynamical Systems in Linear Algebra : Computational Issues " of
the Journal **Future Generation Computer Systems. **

* Partial Eigenvalue Assignment in Linear Systems: Existence,
Uniqueness and Numerical Solution. *
(with D. Sarkissian).
** Proc. MTNS'2002 ** , Notre Dame, Aug 2002.

* Computational Methods for Feedback Control in Damped
Gyroscopic Second-order Systems. *
(with D. Sarkissian).
** Proc. IEEE International Conference on Decision and Control
** , Las Vegas, NV, Dec 2002.

* An Algorithm for Generalized Sylvester-observer Equation
in State Estimation of Descriptor Systems. *
(with J. Carvalho).
** Proc. IEEE International Conference on Decision and Control
** , Las Vegas, NV, Dec 2002.

* Eigenvalue Embedding in a Quadratic Pencil using Symmetric
Low Rank Updates. *
(with J. Carvalho, Wen-Wei Lin and Chern-Shuh Wang),
Preprint, 2001.

* Finite Element Model Updating, Eigenstructure Assignment and
Eigenvalue Embedding Techniques for Vibrating Systems. *
**Mechanical Systems and Signal
Processing ** , (Invited paper), special issue on
Vibration Control, vol 16, nr 1, 83-96, 2001.

* A New Block Algorithm for the Sylvester-observer Equation Arising
in State-Estimation. *
(with J.B. Carvalho),
** Proc. IEEE International Conference on Decision and Control
** , pp 3898-3903, Orlando, FL, Dec 2001.

* A Block Algorithm for Multi-input Eigenvalue Assignment Problem. *
(with J.B. Carvalho),
** Proc. IFAC / IEEE Symposium on System Structure and Control **,
paper nr. 110, Prague, Aug 2001.

*
Theory and computations of some inverse eigenvalue problems for the
quadratic pencil, * ** Contemporary Mathematics ** Volume
Structured Matrices in Operator Theory, Control, and Signal and
Image Processing, American Mathematical Society, Volume 280,
221-240, 2001.

*
Feedback control in distributed parameter gyroscopic systems *
* : A solution
of the partial eigenvalue assignment problem * (with D. Sarkissian),
** Mechanical Systems and Signal
Processing **, (Invited paper) , special issue on
Vibration Control, vol 16, nr 1, 3-17, 2001.

*
Spectrum Modification for Gyroscopic Systems.** * (with
D. Sarkissian and
Y.
Ram), ** ZAMM ** , vol 82, 191-200.

* Multi-Input Partial Pole Placement for Distributed Parameter
Gyroscopic Systems. *
(with Y.M. Ram and D.R. Sarkissian), **
Proc. IEEE International Conference on Decision and Control ** ,
Sidney, Dec 2000.

* Block Algorithms for State Estimation and Functional Observers.
*
(with D. Sarkissian), **
Proc. IEEE Intern. Symp. Comp. Aided Control Systems Design **,
Anchorage, Sep 2000.

*
Partial eigenstructure assignment for the quadratic pencil *
(with S. Elhay, Y. Ram, and D. Sarkissian),
** Journal of Sound and Vibration **, ** 230 ** , 101-110, 2000.

*
Single-input partial pole-placement for gyroscopic operator pencil *
(with Y. Ram and D. Sarkissian), ** Proc. Mathematical Theory of Networks
and Systems **, 2000.

*
Multi-input partial pole-placement for undamped gyroscopic distributed
parameter systems *
(with Y. Ram and D. Sarkissian), ** Proc. IEEE Conference on Decision
and Control **, 2000 , 4661-4665

*
Multi-input Partial Eigenvalue Assignment for the Summetric Quadratic
Pencil * (with D. Sarkissian). **
Proceedings of the American Control Conference **, 2244-2247,
1999.

*
Large-scale matrix computations in control, Applied Numerical
Mathematics , Vol. 30 (1999),53-63.
*

*
Recent developments on nonmodal and partial modal approaches for control
of vibration *, ** Applied Numerical Mathematics **, Vol. 30 (1999),
41-52.

*
Stability and Inertia, Lin. Alg. Appl. (special issue to honor
Hans Schneider), (1999) 302/303, 563-600.
*

*
Multi-input partial eigenvalue assignment for the symmetric quadratic
pencil * (with D. Sarkissian), ** Proc. American
Control Conference ** (1999),2244-2247

*
Numerical Linear Control Library--A Mathematica-based integrated
Environment with Modern Control Algorithms *, ** Proc. IEEE
International Symposium on Computer Aided Control Systems Design **
(1999),
91-96.

*
Single-input eigenvalue assignment algorithms: A close-look *
(with Mark Arnold), ** SIAM J. Matrix Anal. Appl. ** , Vol. 19
(1998) 447-467.

* Orthogonality and Partial Pole Assignment for the Symmetric
Definite Quadratic Pencil. *
(with S. Elhay and Y. Ram)
Linear Algebra and its Applications ** 257 **, 29-48, 1997.

*
Krylov Subspace methods in Control: An overview, *
Proc. 36th IEEE Conference on Decision and Control (Invited
paper), ** IEEE Press ** , Piscatawny (1997)), 3844-3848.

*
Generalized Arnoldi methods for the Sylvester-observer matrix
equation and the eigenvalue assignment problem * (with C. Hetti),
** Proc. 36th IEEE Conference on Decision and Control **
( Invited paper ), IEEE Press Piscatawny (1997), 4379-4383.

*
Parallel algorithms for certain matrix computations * (with B.
Codenotti, K. Datta, and M. Leoncini), ** Theoretical Computer
Science 180 ** (1997), 287-308.

*
An Arnoldi method for the Sylvester-observer matrix equation *
(with C. Hetti), ** Proc. European Control Conference ** (1997)
( Invited paper ).

* Numerically Robust Pole Assignment for Second-Order Systems. *
(with E.K. Chu). Int. J. Control ** 4 **, 1113-1127, 1996.

*
A parallel algorithm for the Sylvester-observer equation * (with Chris
Bischof and A. Purkayastha), ** SIAM J. Scientific Computations **, vol.
17,
No. 3 (1996), 686-698.

*
Numerical methods for linear control systems * (with Daniel Boley),
A book chapter in ** Systems and Control in the
Twenty-First Century **, Birkhauser, (1996), 51-74.

*
An algorithm for the partial multi-input pole assignment of a
second-order control system * (with S. Elhay and Y. Ram), ** Proc.
Conference on Decision and Control **, (1996), 2025-2029.

*
Single-input Eigenvalue Assignment Algorithms: A Close-Look.
(with Mark Arnold)
SIAM J. Matrix Analysis and Applications.
*