SIAM J. MATRIX ANAL. APPL., 15-3, JULY 1994 SIMAX 15-3, JULY 1994 TABLE OF CONTENTS Sensitivity of the Stationary Distribution of a Markov Chain Carl D. Meyer Strongly Inertia-Preserving Matrices Abraham Berman and Dafna Shasha Dynamical Systems that Compute Balanced Realizations and the Singular Value Decomposition U. Helmke, J. B. Moore, and J. E. Perkins Trust Region Problems and Nonsymmetric Eigenvalue Perturbations Ronald J. Stern and Henry Wolkowicz The Generalized Order Linear Complementarity Problem M. Seetharama Gowda and Roman Sznajder A Matrix Approach to Finding a Set of Generators and Finding the Polar (Dual) of a Class of Polyhedral Cones Carolyn PIllers Dobler A Uniform Approach for the Fast Computation of Matrix-type Pade Approximants Bernard Beckermann and George Labahn A Block)Parallel Newton Method via Overlapping Epsilon Decompositions A. I. Zecevic and D. D. Siljak Factorization of Matrix Polynomials with Symmetries A. C. M. Ran and L. Rodman Decomposability and Quotient Subspaces for the Pencil sL-M V. L. Syrmos and Frank L. Lewis Numerical Gradient Algorithms for Eigenvalue and Singular Value Calculations J. B. Moore, R. E. Mahony, and U. Helmke A Note on Extreme Correlation Matrices Chi-Kwong Li and Bit-Shun Tam On Preconditioning for Finite Element Equations on Irregular Grids Alison Ramage and Andrew J. Wathen The Reverse Bordering Method C. Brezinski, M. Morandi Cecchi, and M. Redivo-Zaglia Some Spectral Properties of Hermitian Toeplitz Matrices William F. Trench Theory of Decomposition and Bulge)Chasing Algorithms for the Generalized Eigenvalue Problem David Watkins and Ludwig Elsner The Diagonal Torus of a Matrix Under Special Unitary Equivalence Robert C. Thompson Fast Estimation of Principal Eigenspace Using Lanczos Algorithm Guanghan Xu and Thomas Kailath LCP Degree Theory and Oriented Matroids Walter D. Morris, Jr. Variation of the Unitary Part of a Matrix Rajendra Bhatia and Kalyan Mukherjea Upper Bound for the Real Part of Nonmaximal Eigenvalues of Nonnegative Irreducible Matrices Shmuel Friedland and Leonid Gurvits Block Downdating of Least Squares Solutions L. Elden and H. Park An Attainable Lower Bound for the Best Normal Approximation Lajos Laszlo