Research in Numerical Linear Algebra

1. The effects of measurement errors on systems of linear algebraic equations, International Journal of Mathematics Education for Science and Technology, 15 (1984), 485-490.

2. Diagonalizing the Adaptive SOR Iteration Method, SIAM J. on Matrix Analysis and Applications, 12 (1991), 661-678.

3. The optimal omega is not best for the SOR iteration method, Linear Algebra and its Applications, Vol. 154-156 (1991), pages 819-845.

Research in Linear Algebra

1. A quantitative formulation of Sylvester's law of inertia, III, Linear Algebra and it's Applications 80 (1986), 141-158.

2. The possible inertias for an hermitian matrix and its principal submatrices [- A constrained completion problem], Linear Algebra and its Applications, 85 (1987),121-151.

3. (With Chandler Davis), An interlacing theorem for eigenvalues of self-adjoint operators, Linear Algebra and its Applications, 88/89 (1987), 117-122.

4. On the inertias of symmetric matrices and bounded self-adjoint operators [- The extended Poincare's Inequalities], Linear Algebra and its Applications, 105 (1988), 67-75.

5. [A classification of the kernels of] Bordered matrices, Linear Algebra and its Applications, 128 (1990), 117-132.

6. Several Consequences of [- the extended Poincare's Inequalities] Inertia Theorem, Linear Algebra and its Applications, 136 (1990), 43-61.

7. Invertible completions of band matrices, Linear Algebra and its Applications, 150 (1991), 125-138.

8. Minimal rank and maximal rank Hermitian completions for certain band matrices, Linear Algebra and its Applications, 167 (1992), 219-225.

9. Positive semidefinite completions of partial hermitian matrices, Linear Algebra and its Applications, 175 (1992), 97-114.

10. Choosing the inertias for completions of certain partial matrices, SIAM J. on Matrix Analysis and Applications. 14 (1993), 813-829.

11. (With Nir Cohen) Maximal rank hermitian completions of partially specified hermitian matrices, Linear Algebra and its Applications, 244 (1996) 265-276

12. (with Nir Cohen), Inertias of Block Band Matrix Completions. SIAM J. on Matrix Analysis and Applications. 19 (1998) 583-612.

13. Ranks and Inertias of Hermitian Block Toeplitz Matrices, Linear Algebra and its Applications, Linear Algebra and its Applications, 353 (2002), 21-32.