Particle-hole formulation of the unitary group approach to the many-electron correlation problem. II. Matrix element evaluation

Methods of Electronic Structure Theory

1977 • 2,725 citations

Theoretical Chemistry - Advances and Perspectives

1975 • 519 citations

Time-Independent Diagrammatic Approach to Perturbation Theory of Fermion Systems

1975 • 496 citations

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

1974 • 477 citations

Application of unitary group methods to configuration interaction calculations

1979 • 429 citations

Methods of Molecular Quantum Mechanics

2009 • 412 citations

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

1979 • 363 citations

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

1980 • 342 citations

Group Theory and the Many Body Problem

1968 • 291 citations

Recent Progress Toward a Theory of Tensor Operators in the Unitary Groups

1970 • 243 citations

Correlation problems in atomic and molecular systems. V. Spin-adapted coupled cluster many-electron theory

1977 • 241 citations

Canonical Unit Adjoint Tensor Operators in U(n)

1970 • 172 citations

Group theory and second quantization for nonorthogonal orbitals

1971 • 159 citations

The Loop-Driven Graphical Unitary Group Approach: A Powerful Method for the Variational Description of Electron Correlation

1980 • 153 citations

Unitary Group Approach to the Many-Electron Correlation Problem via Graphical Methods of Spin Algebras

1980 • 147 citations

Orthogonally-spin-adapted coupled-cluster theory for closed-shell systems including triexcited clusters

1979 • 141 citations

A pattern calculus for tensor operators in the unitary groups

1968 • 135 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

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

1977 • 114 citations

On the Representations of the Semisimple Lie Groups. IV. A Canonical Classification for Tensor Operators in SU3

1964 • 104 citations

Irreducible Tensor Methods

1976 • 99 citations

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

2009 • 73 citations

Many-Electron Wavefunctions Expanded in Spin-Adapted Antisymmetrized Products, and Their Expectation Values

1972 • 58 citations

Expectation Values of Many-Fermion Spin Eigenstates

1971 • 57 citations

Particle-hole formulation of the unitary group approach to the many-electron correlation problem. I. State construction and classification

1980 • 52 citations

Spin recoupling and n-electron matrix elements

1975 • 47 citations

Configuration interaction matrix elements. II. Graphical approach to the relationship between unitary group generators and permutations

1979 • 44 citations

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

1978 • 42 citations

Alternative basis for the theory of complex spectra. III

1977 • 35 citations

Transformation Properties of Antisymmetric Spin Eigenfunctions under Linear Mixing of the Orbitals

1972 • 33 citations

Calculation of permutation matrices using graphical methods of spin algebras: Explicit expressions for the Serber-coupling case

1978 • 30 citations

Studies on nuclear structure in the 2s-1d shell

1967 • 29 citations

Matrix elements for infinitesimal operators of the groups U(p+q) and U(p,q) in a U(p) ×U(q) basis. I

1979 • 20 citations

Matrix elements for infinitesimal operators of the groups U(p+q) and U(p,q) in a U(p) ×U(q) basis. II

1979 • 8 citations