Contents Volume 287/1-3 Special Issue celebrating the 60th birthday of Ludwig Elsner R. Bhatia, A. Bunse-Gerstner, V. Mehrmann and D.D. Olesky Preface A. Bunse-Gerstner and V. Mehrmann Ludwig Elsner and his contributions to core, applied and numerical linear algebra G. Ammar, C. Mehl and V. Mehrmann Schur-like forms for matrix Lie groups, Lie algebras and Jordan algebras . Benner, H. FaBbender and D.S. Watkins SR and SZ algorithms for the symplectic (butterfly) eigenproblem . . . Bhatia and P. Semrl Orthogonality of matrices and some distance problems . Bhattacharyya On finite-dimensional commutative non-hermitian fusion algebras . . . Bunse-Gerstner and R. Stover On a conjugate gradient-type method for solving complex symmetric linear systems H. FaBbender, D.S. Mackey, N. Mackey and H. Xu Hamiltonian square roots of skew-Hamiltonian matrices S. Friedland and R. Loewy Spaces of symmetric matrices containing a nonzero matrix of bounded A. George and K.D. Ikramov Common invariant subspaces of two matrices N.J. Higham Stability of block LDL" factorization of a symmetric tridiagonal ik bes Ra 6 HS 4 ok a SENHA Be we Oe ate eR ates Z. Jia Polynomial characterizations of the approximate eigenvectors by the refined Arnoldi method and an implicitly restarted refined Arnoldi algorithm B. Kotodziejczak and T. Szulc Convex combinations of matrices — full rank characterization Table of Contents continues Contents Volume 287/1-3 Special Issue celebrating the 60th birthday of Ludwig Elsner R. Bhatia, A. Bunse-Gerstner, V. Mehrmann and D.D. Olesky Preface A. Bunse-Gerstner and V. Mehrmann Ludwig Elsner and his contributions to core, applied and numerical linear algebra G. Ammar, C. Mehl and V. Mehrmann Schur-like forms for matrix Lie groups, Lie algebras and Jordan algebras . Benner, H. FaBbender and D.S. Watkins SR and SZ algorithms for the symplectic (butterfly) eigenproblem . . . Bhatia and P. Semrl Orthogonality of matrices and some distance problems . Bhattacharyya On finite-dimensional commutative non-hermitian fusion algebras . . . Bunse-Gerstner and R. Stover On a conjugate gradient-type method for solving complex symmetric linear systems H. FaBbender, D.S. Mackey, N. Mackey and H. Xu Hamiltonian square roots of skew-Hamiltonian matrices S. Friedland and R. Loewy Spaces of symmetric matrices containing a nonzero matrix of bounded A. George and K.D. Ikramov Common invariant subspaces of two matrices N.J. Higham Stability of block LDL" factorization of a symmetric tridiagonal ik bes Ra 6 HS 4 ok a SENHA Be we Oe ate eR ates Z. Jia Polynomial characterizations of the approximate eigenvectors by the refined Arnoldi method and an implicitly restarted refined Arnoldi algorithm B. Kotodziejczak and T. Szulc Convex combinations of matrices — full rank characterization Table of Contents continues Table of Contents continued W.-W. Lin, C.-S. Wang and Q.-F. Xu On the computation of the optimal H,, norms for two feedback control problems V. Mehrmann, D.D. Olesky, T.X.T. Phan and P. van den Driessche Relations between Perron—Frobenius results for matrix pencils. . . S.K. Mitra Diagrammatic presentation of inner and outer inverses: S-diagrams R. Nabben Two-sided bounds on the inverses of diagonally dominant tridia- gonal matrices M. Neumann and H. Schneider The convergence of general products of matrices and the weak ergodicity of Markov chains W. Niethammer A note on the extended convergence of SOR for two-periodic Markov chains M.-H. Shih Simultaneous Schur stability P. Smit and M.H.C. Paardekooper The effects of inexact solvers in algorithms for symmetric eigenvalue problems H. Voss Symmetric schemes for computing the minimum eigenvalue of a symmetric Toeplitz matrix H.K. Wimmer Canonical angles of unitary spaces and perturbations of direct complements Author Index