Ludwig Elsner

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Verfahren zur Berechnung des Spektralradius nichtnegativer irreduzibler Matrizen

Ludwig Elsner, 2005, Computing.

Higher Order Logarithmic Derivatives of Matrices in the Spectral Norm

Rajendra Bhatia, Ludwig Elsner, 2003, SIAM J. Matrix Anal. Appl..

Minimization of the norm, the norm of the inverse and the condition number of a matrix by completion

Volker Mehrmann, Chunyang He, Ludwig Elsner, 1995, Numer. Linear Algebra Appl..

Geršgorin and His Circles by Richard S. Varga

Ludwig Elsner, 2006, Am. Math. Mon..

Convex Combinations of Matrices-Nonsingularity and Schur Stability

Ludwig Elsner, Tomasz Szulc, L. Elsner, 1996, WNAA.

NORTH- I-IOLIAND Nonstationary Parallel Relaxed Multisplitting Methods

Daniel B. Szyld, Ludwig Elsner, Josd Mas, 1996 .

Verfahren zur Berechnung des Spektralradius nichtnegativer irreduzibler Matrizen II

Ludwig Elsner, 2005, Computing.

On a Generalized Matching Problem Arising in Estimating the Eigenvalue Variation of Two Matrices

Charles R. Johnson, Ludwig Elsner, Johanan Schönheim, 1983, Eur. J. Comb..

On convexity properties of the spectral radius of nonnegative matrices

Ludwig Elsner, L. Elsner, 1984 .

Norm conditions for convergence of infinite products

Shmuel Friedland, Ludwig Elsner, S. Friedland, 1997 .

Convex combinations of matrices-nonsingularity and schur stability characterizations

Ludwig Elsner, Tomasz Szulc, L. Elsner, 1998 .

A note on characterizations of irreducibility of nonnegative matrices

Ludwig Elsner, 1976 .

Algebraic Multigrid Methods and the Schur Complement

Wolfgang Dahmen, Ludwig Elsner, 1989 .

Symmetries and Variation of Spectra

Rajendra Bhatia, Ludwig Elsner, L. Elsner, 1992, Canadian Journal of Mathematics.

Convergence properties of ART and SOR algorithms

Israel Koltracht, Peter Lancaster, Ludwig Elsner, 1991 .

BOUNDS FOR DETERMINANTS OF PERTURBED M-MATRICES

Ludwig Elsner, L. Elsner, 1997 .

Singular values, doubly stochastic matrices, and applications

Shmuel Friedland, Ludwig Elsner, 1995 .

Perturbation and interlace theorems for the unitary eigenvalue problem

Ludwig Elsner, L. Elsner, Chunyang He, 1993 .

Low rank perturbations and the spectrum of a tridiagonal sign pattern

D. D. Olesky, Ludwig Elsner, P. van den Driessche, 2003 .

The relationship between Hadamard and conventional multiplication for positive definite matrices

Charles R. Johnson, Ludwig Elsner, 1987 .

Inverse iteration for calculating the spectral radius of a non-negative irreducible matrix

Ludwig Elsner, L. Elsner, 1976 .

Conditions for strict inequality in comparisons of spectral radii of splittings of different matrices

Daniel B. Szyld, Andreas Frommer, Hans Schneider, 2003 .

On condensed forms for partially commuting matrices

Ludwig Elsner, Kh. D. Ikramov, Yu.A. Alpin, 2000 .

Bounds for the variation of the roots of a polynomial and the eigenvalues of a matrix

Rajendra Bhatia, Ludwig Elsner, L. Elsner, 1990 .

Some Observations on Inverses of Band Matrices and Low Rank Perturbations of Triangular Matrices

Ludwig Elsner, L. Elsner, 2000 .

Perturbation thèorems for the generalized eigenvalue problem

Ludwig Elsner, L. Elsner, Ji-guang Sun, 1982 .

A remark on simultaneous inclusions of the zeros of a polynomial by Gershgorin's theorem

Ludwig Elsner, L. Elsner, 1973 .

Schur parameter pencils for the solution of the unitary eigenproblem

Angelika Bunse-Gerstner, Ludwig Elsner, L. Elsner, 1991 .

On eigenvectors and adjoints of modified matrices

P. Rózsa, Ludwig Elsner, L. Elsner, 1981 .

On Rutishauser's approach to self-similar flows

David S. Watkins, Ludwig Elsner, 1990 .

Theory of Decomposition and Bulge-Chasing Algorithms for the Generalized Eigenvalue Problem

David S. Watkins, Ludwig Elsner, L. Elsner, 1994 .

Bounds for the Perron root using max eigenvalues

Ludwig Elsner, P. van den Driessche, L. Elsner, 2008 .

Positive Linear Maps and the Lyapunov Equation

Rajendra Bhatia, Ludwig Elsner, L. Elsner, 2002 .

A note on a generalized Cramer's rule

Mohammad Aldeen, Ludwig Elsner, L. Elsner, 2002 .

On the variation of the spectra of matrices

Ludwig Elsner, L. Elsner, 1982 .

The q-binomial theorem and spectral symmetry

Ludwig Elsner, L. Elsner, Rejendra Bhatia, 1993 .

Self-equivalent flows associated with the singular value decomposition

David S. Watkins, Ludwig Elsner, D. S. Watkins, 1989 .

On the power method in max algebra

Ludwig Elsner, P. van den Driessche, L. Elsner, 1999 .

Modifying the power method in max algebra

Ludwig Elsner, P. van den Driessche, 2001 .

An algorithm for computing the distance to uncontrollability

Ludwig Elsner, L. Elsner, Chunyang He, 1991 .

Block P-matrices

Ludwig Elsner, Tomasz Szulc, L. Elsner, 1998 .

Bounds on Norms of Compound Matrices and on Products of Eigenvalues

Hans Schneider, Daniel Hershkowitz, Ludwig Elsner, 1998 .

Convex sets of schur stable and stable matrices

Ludwig Elsner, Tomasz Szulc, L. Elsner, 2000 .

On accurate computations of the Perron root

Israel Koltracht, Ludwig Elsner, D. Xiao, 1993 .

Minimizing the condition number of a positive definite matrix by completion

Volker Mehrmann, Ludwig Elsner, Chunyang He, 1994 .

The perron root of a weighted geometric mean of nonneagative matrices

Charles R. Johnson, Ludwig Elsner, J. A. Dias da Silva, 1988 .

Max-algebra and pairwise comparison matrices

Ludwig Elsner, P. van den Driessche, L. Elsner, 2004 .

Convergence of sequential and asynchronous nonlinear paracontractions

Israel Koltracht, Ludwig Elsner, L. Elsner, 1992 .