Umeň universitet
Faculty of Science and Technology
Department of Computing Science
Umu logo

UMINF reports by Ji-guang Sun

1994.01 On Two Functions of Matrix with Positive Definite Hermitian Part
1994.02 Perturbation Analysis of System Hessenberg and Hessenberg/triangular Forms
1994.05 A Posteriori Error Bounds for Eigenvalues and Singular Values
1994.06 On the Variation of the Spectrum of a Normal Matrix
1994.09 Residual Bounds on Approximate Solutions for the Unitary Eigenproblem
1994.12 Perturbation Analysis of the Pole Assignment Problem
1994.15 Perturbation Analysis of the Matrix Sign Function
1995.04 Optimal Backward Perturbation Bounds for the Linear LS Problem with Multiple Right-hand Sides
1995.13 Residual Bounds of Approximate Solutions of the Algebraic Riccati Equation
1995.17 Residual Bounds of Approximate Solutions of the Discrete-Time Algebraic Riccati Equation
1995.20 Perturbation Theory for the Discrete-Time Algebraic Riccati Equation
1995.22 Perturbation Analysis of Singular Subspaces and Deflating Subspaces
1995.25 Backward Error for the Discrete-Time Algebraic Riccati Equation
1996.01 Perturbation Analysis of Generalized Singular Subspaces
1996.02 Optimal Backward Perturbation Bounds for Underdetermined Systems
1996.06 On Optimal Backward Perturbation Bounds for the Linear Least Squares Problem
1996.08 Sensitivity Analysis of the Discrete-Time Algebraic Riccati Equation
1996.14 On the Theory of Condition
1996.15 Optimal Backward Perturbation Bounds for Linear Systems and Linear Least Squares Problems
1997.02 Optimal Backward Perturbation Bounds for Vandermonde Systems
1997.11 Perturbation Theory for Algebraic Riccati Equations
1997.14 On the Stability of Algorithms for Solving Equilibrium Systems
1997.21 Backward Errors for the Inverse Eigenvalue Problem
1997.22 Perturbation Properties of a Multiple Eigenvalue of the Definite Generalized Eigenvalue Problem
1997.25 Backward Errors for the Unitary Eigenproblem
1998.02 Residual Bounds for Certain Characteristic Subspaces
1998.06 Sensitivity Analysis of the Continuos-Time Algebraic Riccati Equation
1998.07 Stability and Accuracy - Perturbation Analysis of Algebraic Eigenproblems
1998.17 Condition Number and Backward Errors for the Generalized Singular Value Decomposition
1999.01 Perturbation Analysis of Quadratic Eigenvalue Problems
1999.10 On Computing Canonical Correlations
1999.14 On Condition Numbers for Generalized Singular Values
1999.16 A Note on Generalized Chordl Metrics
2000.02 Perturbation Analysis of Eigenvalues and Eigenvectors of Periodic Matrix Pairs
2000.04 Perturbation Analysis of Periodic Deflating Subspaces
2000.09 Note on Normwise Condition Numbers
2001.02 Condition Numbers of Algebraic Riccati Equations in the Frobenius Norm
2001.03 Perturbation Analysis of the Periodic Discrete Time Algebraic Riccati Equation
2001.12 Perturbation Analysis of the Maximal Solution of the Matrix Equation X-A*X-1A=P. II
2002.03 Perturbation Analysis of Algebraic Riccati Equations
2002.07 Perturbation Bounds for Subspaces Associated with Periodic Eigenproblems
2002.18 Condition Numbers of Spectral Projections