A generalization of the diagonal theorem on a block-matrix
E. Pap (1974)
Matematički Vesnik
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Displaying similar documents to “Preconditioning of two-by-two block matrix systems with square matrix blocks, with applications”
A generalization of the diagonal theorem on a block-matrix
Block diagonalization
Jaromír J. Koliha (2001)
Mathematica Bohemica
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We study block diagonalization of matrices induced by resolutions of the unit matrix into the sum of idempotent matrices. We show that the block diagonal matrices have disjoint spectra if and only if each idempotent matrix in the inducing resolution double commutes with the given matrix. Applications include a new characterization of an eigenprojection and of the Drazin inverse of a given matrix.
A Schur method for the solution of the matrix Riccati equation.
Razzaghi, Mohsen (1997)
International Journal of Mathematics and Mathematical Sciences
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Block distance matrices.
Balaji, R., Bapat, R.B. (2007)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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On the twin designs with the Ionin-type parameters.
Kharaghani, H. (2000)
The Electronic Journal of Combinatorics [electronic only]
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The *-transpose of a matrix
Wiegmann, N.A. (1959)
Portugaliae mathematica
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