The Bauer Fields of Values of a Matrix.
The Convergence rate and Complexity of Precondotioned Iterative methods based on Approximate finite Element matrix Factorization
The Hierarchical Basis Multigrid Method.
The numerical solution of large finite element systems by explicit preconditioning semi-direct methods
The Perturbation Bounds for Eigenspaces of a Definite Matrix-Pair
The Strict Chebyshev Solution of Overdetermined Systems of Linear Equations with Rank Deficient Matrix
The structured distance to normality of an irreducible real tridiagonal matrix.
The structured sensitivity of Vandermonde-like systems.
To the theory of the alternating triangle iteration method.
Toeplitz band matrices with exponentially growing condition numbers.
Transient behavior of powers and exponentials of large Toeplitz matrices.
Truncated methods for large scale generalized eigenvalue problems.
Two preconditioners based on the multi-level splitting of finite element spaces.
Two-level additive Schwarz preconditioners for fourth-order mixed methods.