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Variation of the discrete eigenvalues of normal operators
In: Proceedings of the American Mathematical Society, Jg. 123 H. 8, S. 2511-25171995
Theory of decomposition and bulge-chasing algorithms for the generalized eigenvalue problem
In: SIAM Journal on matrix analysis and applications, Jg. 15 H. 3, S. 943-9671994
The relationship between Hadamard and conventional multiplication for positive definite matrices
In: Linear algebra and its applications, Jg. 92, S. 231-2401987

The perron root of a weighted geometric mean of nonnegative matrices
In: Linear and multilinear algebra, Jg. 24 H. 1, S. 1-131988
The Hoffman-Wielandt inequality in infinite dimensions
In: Proceedings of the Indian Academy of Sciences, Mathematical Sciences, Jg. 104 H. 3, S. 483-4941994
Symmetries and variation of spectra
In: Canadian journal of mathematics, Jg. 44 H. 6, S. 1155-11661992
Spectral radii of certain iteration matrices and cycle means of digraphs
In: Linear algebra and its applications, Jg. 192, S. 61-811993

Self-equivalent flows associated with the singular value decomposition
In: SIAM Journal on matrix analysis and applications, Jg. 10 H. 2, S. 244-2581989
Self-equivalent flows associated with the generalized eigenvalue problem
In: Linear algebra and its applications, Jg. 118, S. 107-1271989

Perturbation theorems for the matrix eigenvalue problem
In: Portugaliae Mathematica, Jg. 43 H. 1, S. 69-761986
Perturbation theorems for the joint spectrum of commuting matrices: a conservative approach
In: Linear algebra and its applications, Jg. 208-209, S. 83-951994
Perturbation theorems for the generalized eigenvalue problem
In: Linear algebra and its applications, Jg. 48 H. DEC, S. 341-3571982
Perturbation and interlace theorems for the unitary eigenvalue problem
In: Linear algebra and its applications, Jg. 188-189, S. 207-2291993
On the variation of the spectra of matrices
In: Linear algebra and its applications, Jg. 47 H. Oct, S. 127-1381982

On the effect of the perturbation of a nonnegative matrix on its Perron eigenvector
In: Czechoslovak Mathematical Journal, Jg. 32 H. 1, S. 99-1091982
On the convergence of asynchronous paracontractions with application to tomographic reconstruction from incomplete data
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