The Hoffman-Wielandt inequality in infinite dimensions
Bhatia, Rajendra ; Elsner, LudwigIn: Proceedings of the Indian Academy of Sciences, Mathematical Sciences, Jg. 104 H. 3, S. 483-4941994The q-binomial theorem and spectral symmetry
Bhatia, Rajendra ; Elsner, LudwigIn: Indagationes mathematicae, Jg. 4 H. 1, S. 11-161993Symmetries and variation of spectra
Bhatia, Rajendra ; Elsner, LudwigIn: Canadian journal of mathematics, Jg. 44 H. 6, S. 1155-11661992A note on the Hoffman-Wielandt theorem
Elsner, LudwigIn: Linear algebra and its applications, Jg. 182, S. 235-2371993Perturbation theorems for the joint spectrum of commuting matrices: a conservative approach
Elsner, LudwigIn: Linear algebra and its applications, Jg. 208-209, S. 83-951994Convergence of infinite products of matrices and inner-outer iteration schemes
Elsner, Ludwig ; Bru, Rafael ; Neumann, Michael M.In: Electronic Transactions on Numerical Analysis, Jg. 2, S. 183-1931994Variation of the discrete eigenvalues of normal operators
Elsner, Ludwig ; Friedland, ShmuelIn: Proceedings of the American Mathematical Society, Jg. 123 H. 8, S. 2511-25171995An algorithm for computing the distance to uncontrollability
Elsner, Ludwig ; He, ChunyangIn: Systems & Control Letters, Jg. 17 H. 6, S. 453-4641991Perturbation and interlace theorems for the unitary eigenvalue problem
Elsner, Ludwig ; He, ChunyangIn: Linear algebra and its applications, Jg. 188-189, S. 207-2291993Minimizing the condition number of a positive definite matrix by completion
Elsner, Ludwig ; He, Chunyang ; Mehrmann, VolkerIn: Numerische Mathematik, Jg. 69 H. 1, S. 17-231994Spectral radii of certain iteration matrices and cycle means of digraphs
Elsner, Ludwig ; Hershkowitz, Daniel ; Schneider, HansIn: Linear algebra and its applications, Jg. 192, S. 61-811993Convergence properties of ART and SOR algorithms
Elsner, Ludwig ; Koltracht, Israel ; Lancaster, PeterIn: Numerische Mathematik, Jg. 59 H. 1, S. 91-1061991Convergence of sequential and asynchronous nonlinear paracontractions
Elsner, Ludwig ; Koltracht, Israel ; Neumann, MichaelIn: Numerische Mathematik, Jg. 62 H. 1, S. 305-3191992On accurate computations of the Perron root
Elsner, Ludwig ; Koltracht, Israel ; Neumann, Michael ; Xiao, D.In: SIAM Journal on matrix analysis and applications, Jg. 14 H. 2, S. 456-4671993Convergence of block iterative methods for linear systems arising in the numerical solution of Euler equations
Elsner, Ludwig ; Mehrmann, VolkerIn: Numerische Mathematik, Jg. 59 H. 1, S. 541-5591991Monotonic sequences and rates of convergence of asynchronized iterative methods
Elsner, Ludwig ; Neumann, MichaelIn: Linear algebra and its applications, Jg. 180, S. 17-331993Chasing Algorithmus for the Eigenvalue Problem
Watkins, David S. ; Elsner, LudwigIn: SIAM Journal on matrix analysis and applications, Jg. 12 H. 2, S. 374-3841991Convergence of algorithms of decomposition type for the eigenvalue problem
Watkins, David S. ; Elsner, LudwigIn: Linear algebra and its applications, Jg. 143, S. 19-471991Theory of decomposition and bulge-chasing algorithms for the generalized eigenvalue problem
Watkins, David S. ; Elsner, LudwigIn: SIAM Journal on matrix analysis and applications, Jg. 15 H. 3, S. 943-9671994