Generalizations of the direct CI method based on the graphical unitary group approach. II. Single and double replacements from any set of reference configurations

On the Correlation Problem in Atomic and Molecular Systems. Calculation of Wavefunction Components in Ursell-Type Expansion Using Quantum-Field Theoretical Methods

1966 • 2,892 citations

The iterative calculation of a few of the lowest eigenvalues and corresponding eigenvectors of large real-symmetric matrices

1975 • 2,416 citations

Ab initio potential energy surface for linear H3

1973 • 522 citations

A new method for large-scale Cl calculations

1972 • 507 citations

Group theoretical approach to the configuration interaction and perturbation theory calculations for atomic and molecular systems

1974 • 477 citations

The graphical unitary group approach to the electron correlation problem. Methods and preliminary applications

1979 • 363 citations

SCF-CI studies of correlation effects on hydrogen bonding and ion hydration

1975 • 312 citations

Group Theory and the Many Body Problem

1968 • 291 citations

Unitary-group approach to the many-electron correlation problem: Relation of Gelfand and Weyl tableau formulations

1976 • 140 citations

Generalizations of the direct CI method based on the graphical unitary group approach. I. Single replacements from a complete CI root function of any spin, first order wave functions

1979 • 128 citations

Application of graphical methods of spin algebras to limited <scp>CI</scp> approaches. I. Closed shell case

1977 • 120 citations

Vector-coupling approach to orbital and spin-dependent tableau matrix elements in the theory of complex spectra

1977 • 114 citations

Electrons in Finite and Infinite Structures

1977 • 85 citations

A pattern calculus for the unitary group approach to the electronic correlation problem

2009 • 73 citations

The direct configuration interaction method with a contracted configuration expansion

1977 • 55 citations

Methylene singlet-triplet separation. An ab initio configuration interaction study

1977 • 54 citations

The utilization of abelian point group symmetry in the graphical unitary group approach to the calculation of correlated electronic wavefunctions

1979 • 53 citations

Spin recoupling and n-electron matrix elements

1975 • 47 citations

Formulation of the direct configuration interaction method for triplet spin states. Applications to glyoxal

1978 • 42 citations

Application of graphical methods of spin algebras to limited <scp>CI</scp> approaches. II. A simple open shell case

1977 • 37 citations

Coupling constants in the direct configuration interaction method

1979 • 21 citations

Barrier height for the abstraction reaction of methylene with hydrogen, CH2(3B1) + H2 → CH3 + H

1978 • 8 citations