Eigenvalue Problems: Theory, Algorithms and Applications

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Table of Contents

Eigenvalue Problems: Theory, Algorithms and Applications

Outline

Overview

Standard Eigenvalue Problem

Standard Eigenvalue Problem

Properties

Properties

Properties

Properties

Special Case

Generalized Eigenvalue Problem

Generalized Eigenvalue Problem

Properties

Properties

Properties

Properties (continued)

Properties (continued)

Special Case

l-Matrix Problem

l-Matrix Problem

Equivalent Formulations

Special Case

Nonlinear Eigenvalue Problems

Resulting Sequence of Linear Problems

Algorithms

Solving Linear Eigenvalue Problems

Solving Linear Eigenvalue Problems

Solving Linear Eigenvalue Problems

Example

Reduction to Hessenberg Form

Reduction to Hessenberg Form

QR Algorithm

QR Algorithm

Triangular Systems

Triangular Systems

Back-Transformation of Eigenvectors

Back-Transformation of Eigenvectors

Full QR Algorithm

Standard Eigenproblem Solvers

Generalized Eigenproblem Solvers

l-Matrix Solvers

Applications

Application Examples

Current Research

Restricted Closed-Shell Hartree-Fock Approximation: The Roothaan Equations

Roothaan Equations

Self-Consistent-Field Procedure

SCF Procedure

Serial Eigenproblem Solver FC = C e

Serial Eigenproblem Solver FC = C e

Serial Eigenproblem Solver FC = C e

Parallel Eigenproblem Solver FC = C e

SCF Procedure

Approximate Eigenproblem FC = C e

Approximate Approximate Eigenproblem

Generalization of Divide and Conquer Algorithm

Author: Robert C. Ward