One-particle many-body Green’s function theory: Algebraic recursive definitions, linked-diagram theorem, irreducible-diagram theorem, and general-order algorithms - Hirata, So; Doran, Alexander E.; Knowles, Peter J.; Ortiz, J. V. (The Journal of chemical physics, 2017)
Keywords: Algebra; Algorithms; Convergence; Equivalence; INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Numerical differentiation; Perturbation methods; Physics; Recursive functions; Theorems