SIAM J. ON MATRIX ANALYSIS & APPLICATIONS TABLES OF CONTENTS TABLE OF CONTENTS Strong Hall Matrices Richard A. Brualdi and Bryan L. Shader Computing the PSVD of Two 2 x 2 Triangular Matrices Gary E. Adams, Adam W. Bojanczyk, and Franklin T. Luk Nonlocal Perturbation Analysis of the Schur System of a Matrix M. M. Konstantinov, P. Hr. Petkov, and N. D. Christov An Algorithm for the Single-Input Pole Assignment Problem Rafael Bru, Jose Mas, and Ana M. Urbano Backward Error Estimates for Toeplitz Systems J. M. Varah Moore-Penrose Inversion of Square Toeplitz Matrices Georg Heinig and Frank Hellinger Fast Triangular Factorization and Inversion of Hankel and Related Matrices with Arbitrary Rank Profile Debajyoti Pal and Thomas Kailath The Arnoldi Method for Normal Matrices Thomas Huckle Unicity of Biproportion Louis de Mesnard Characterizations of Scaling Functions I. Continuous Solutions David Colella and Christopher Heil Linear Operators Preserving Complex Orthogonal Equivalence on Matrices Roger A. Horn, Chi-Kwong Li, and Dennis I. Merino A Parallel Algorithm for Computing the Singular Value Decomposition of a Matrix E. R. Jessup and D. C. Sorensen Accurate Downdating of Least Squares Solutions A. Bjorck, H. Park, and L. Elden Dynamical Systems that Compute Balanced Realizations and the Singular Value Decomposition U. Helmke, J. B. Moore, and J. E. Perkins Iterative Consistency: A Concept for the Solution of Singular Systems of Linear Equations M. Hanke Algorithms for Computing Bases for the Perron Eigenspace with Prescribed Nonnegativity and Combinatorial Properties Michael Neumann and Hans Schneider On Rank-Revealing Factorisations Shivkumar Chandrasekaran and Ilse Ipsen Symmetric Toeplitz Matrices with Two Prescribed Eigenpairs Moody T. Chu and Melissa A. Erbrecht Perturbation Analysis of a Condition Number for Linear Systems Zhi-Quan Luo and Paul Tseng A Second-Order Perturbation Expansion for the SVD Richard J. Vaccaro Probabilistic Bounds on the Extremal Eigenvalues and Condition Number by the Lanczos Algorithm J. Kuczynski and H. Wozniakowski An Error Model for Swarztrauber's Parallel Tridiagonal Equation Solver Nai-Kuan Tsao Trust Region Problems and Nonsymmetric Eigenvalue Perturbations Ronald J. Stern and Henry Wolkowicz