Theory of Electron Correlation

The Treatment of Electron-electron Correlations with Band-theory Methods

Response function theory of electron correlation

Density Functional Theory: The Modern Treatment of Electron Correlations

Self-consistent theory of electron correlation in the Hubbard model

Reduced-Density-Matrix Theory for Many-electron Correlation

The Perturbation Theory of Electron Correlation: II. Many-Body Perturbation Theory and the Algebraic Approximation